Hướng dẫn determine if a string has all unique characters in c++ - xác định xem một chuỗi có tất cả các ký tự duy nhất trong C++

Cho một chuỗi, xác định xem chuỗi có tất cả các ký tự duy nhất không.

Ví dụ: & nbsp; & nbsp;  

Input : abcd10jk
Output : true

Input : hutg9mnd!nk9
Output : false

Cách tiếp cận 1 - Kỹ thuật lực lượng vũ phu: Chạy 2 vòng với biến I và J. So sánh str [i] và str [j]. Nếu họ trở nên bình đẳng tại bất kỳ điểm nào, hãy trả lại sai. & NBSP;: Run 2 loops with variable i and j. Compare str[i] and str[j]. If they become equal at any point, return false. 

C++

#include

using namespace std;

The String GeeksforGeeks has duplicate characters
0
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
7

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
5

The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
6
The String GeekforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3
The String GeekforGeeks has duplicate characters
5
The String GeekforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
0

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
22
The String GeeksforGeeks has duplicate characters
4

The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3#include 2
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
22
The String GeeksforGeeks has duplicate characters
4

The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
6using0
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3#include 2
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
7 using6

Java

using8 using9

namespace0 namespace1

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3namespace3 namespace4

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
6 std;1std;2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
6 std;8std;9
The String GeeksforGeeks has duplicate characters
00

The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
03

The String GeeksforGeeks has duplicate characters
04
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
15
The String GeeksforGeeks has duplicate characters
16
The String GeeksforGeeks has duplicate characters
17
The String GeeksforGeeks has duplicate characters
18

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
26
The String GeekforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
22223
The String GeeksforGeeks has duplicate characters
24

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
31

The String GeeksforGeeks has duplicate characters
8#include 2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
33
The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
35
The String GeeksforGeeks has duplicate characters
36
The String GeeksforGeeks has duplicate characters
37

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
1

Python3

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
33
The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
35
The String GeeksforGeeks has duplicate characters
44
The String GeeksforGeeks has duplicate characters
37

The String GeeksforGeeks has duplicate characters
49
The String GeeksforGeeks has duplicate characters
50
The String GeeksforGeeks has duplicate characters
51
The String GeeksforGeeks has duplicate characters
52

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
55
The String GeeksforGeeks has duplicate characters
56
The String GeeksforGeeks has duplicate characters
57
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
59
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
51
The String GeeksforGeeks has duplicate characters
62

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
65
The String GeeksforGeeks has duplicate characters
56
The String GeeksforGeeks has duplicate characters
57____168__

Các

The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
87
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
91
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
98
The String GeeksforGeeks has duplicate characters
51
The String GeeksforGeeks has duplicate characters
62

The String GeeksforGeeks has duplicate characters
51
The String GeeksforGeeks has duplicate characters
81
The String GeekforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
9

#include 2

The String GeeksforGeeks has duplicate characters
11

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
02
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
05
The String GeeksforGeeks has duplicate characters
51
The String GeeksforGeeks has duplicate characters
05
The String GeeksforGeeks has duplicate characters
44
The String GeeksforGeeks has duplicate characters
37

C#

Các

using

The String GeeksforGeeks has duplicate characters
22

The String GeeksforGeeks has duplicate characters
15 namespace0
The String GeeksforGeeks has duplicate characters
25

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
16
The String GeeksforGeeks has duplicate characters
0 namespace4

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
36

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
41

The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
03

The String GeeksforGeeks has duplicate characters
04
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
15
The String GeeksforGeeks has duplicate characters
16
The String GeeksforGeeks has duplicate characters
17
The String GeeksforGeeks has duplicate characters
18

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
22223
The String GeeksforGeeks has duplicate characters
24

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
31

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
33
The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
35
The String GeeksforGeeks has duplicate characters
36
The String GeeksforGeeks has duplicate characters
37

The String GeeksforGeeks has duplicate characters
76
The String GeeksforGeeks has duplicate characters
77
The String GeeksforGeeks has duplicate characters
36
The String GeeksforGeeks has duplicate characters
37

The String GeeksforGeeks has duplicate characters
8#include 2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
33
The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
35
The String GeeksforGeeks has duplicate characters
36
The String GeeksforGeeks has duplicate characters
37

The String GeeksforGeeks has duplicate characters
76
The String GeeksforGeeks has duplicate characters
77
The String GeeksforGeeks has duplicate characters
44
The String GeeksforGeeks has duplicate characters
37

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
33
The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
35
The String GeeksforGeeks has duplicate characters
44
The String GeeksforGeeks has duplicate characters
37

The String GeeksforGeeks has duplicate characters
93

The String GeeksforGeeks has duplicate characters
49
The String GeeksforGeeks has duplicate characters
50
The String GeeksforGeeks has duplicate characters
51
The String GeeksforGeeks has duplicate characters
52

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
55
The String GeeksforGeeks has duplicate characters
56
The String GeeksforGeeks has duplicate characters
57
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
59
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
51
The String GeeksforGeeks has duplicate characters
62

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
65
The String GeeksforGeeks has duplicate characters
56
The String GeeksforGeeks has duplicate characters
57____168__

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
2

Các

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
96
The String GeeksforGeeks has duplicate characters
35
The String GeeksforGeeks has duplicate characters
02
The String GeeksforGeeks has duplicate characters
37
The String GeeksforGeeks has duplicate characters
96
The String GeeksforGeeks has duplicate characters
35
The String GeeksforGeeks has duplicate characters
17
The String GeeksforGeeks has duplicate characters
41

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
87
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
15
The String GeeksforGeeks has duplicate characters
16
The String GeeksforGeeks has duplicate characters
17
The String GeeksforGeeks has duplicate characters
18

The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
22223
The String GeeksforGeeks has duplicate characters
24

The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
98
The String GeeksforGeeks has duplicate characters
96
The String GeeksforGeeks has duplicate characters
64

The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
31

The String GeeksforGeeks has duplicate characters
72
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
1

#include 2

The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
31

The String GeeksforGeeks has duplicate characters
84using0
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
88

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
33
The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
35
The String GeeksforGeeks has duplicate characters
36
The String GeeksforGeeks has duplicate characters
37

The String GeeksforGeeks has duplicate characters
89

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
33
The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
35
The String GeeksforGeeks has duplicate characters
44
The String GeeksforGeeks has duplicate characters
37

The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
95

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
98

The String GeeksforGeeks has duplicate characters
49
The String GeeksforGeeks has duplicate characters
50
The String GeeksforGeeks has duplicate characters
51
The String GeeksforGeeks has duplicate characters
52

The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
1

The String GeekforGeeks has duplicate characters
11
The String GeekforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
69
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
71

The String GeeksforGeeks has duplicate characters
3
The String GeekforGeeks has duplicate characters
19
The String GeeksforGeeks has duplicate characters
3
The String GeekforGeeks has duplicate characters
21

The String GeekforGeeks has duplicate characters
222
The String GeeksforGeeks has duplicate characters
36
The String GeeksforGeeks has duplicate characters
77
The String GeekforGeeks has duplicate characters
25
The String GeeksforGeeks has duplicate characters
37

#include 2

The String GeeksforGeeks has duplicate characters
3
The String GeekforGeeks has duplicate characters
19
The String GeeksforGeeks has duplicate characters
3
The String GeekforGeeks has duplicate characters
21

The String GeekforGeeks has duplicate characters
22
The String GeeksforGeeks has duplicate characters
44
The String GeeksforGeeks has duplicate characters
37

The String GeekforGeeks has duplicate characters
35

The String GeekforGeeks has duplicate characters
222
The String GeeksforGeeks has duplicate characters
36
The String GeeksforGeeks has duplicate characters
77
The String GeekforGeeks has duplicate characters
25
The String GeeksforGeeks has duplicate characters
37
 

Đầu ra: & nbsp;

The String GeeksforGeeks has duplicate characters
: O[n2] 

Độ phức tạp về thời gian: O [N2] & NBSP;O[1]
Note: Please note that the program is case-sensitive.

Không gian phụ trợ: O [1] Lưu ý: Xin lưu ý rằng chương trình nhạy cảm với trường hợp.: Using sorting based on ASCII values of characters 

C++

#include

Cách tiếp cận 2 - Sắp xếp: Sử dụng phân loại dựa trên các giá trị ASCII của các ký tự & NBSP;

using namespace std;

The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3
The String GeekforGeeks has duplicate characters
44

The String GeeksforGeeks has duplicate characters
0
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
6
The String GeekforGeeks has duplicate characters
49

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeekforGeeks has duplicate characters
52

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3
The String GeekforGeeks has duplicate characters
5
The String GeekforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
6
The String GeekforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
0

The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
22
The String GeeksforGeeks has duplicate characters
4

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
0

The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
6using0
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
22
The String GeeksforGeeks has duplicate characters
4

The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3#include 2
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
7 using6

Java

using8 using9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
13
The String GeeksforGeeks has duplicate characters
14

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
16

namespace0 namespace1

The String GeeksforGeeks has duplicate characters
3namespace3 namespace4

The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
32
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3#include 2

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
6 std;1std;2
The String GeeksforGeeks has duplicate characters
23std;9
The String GeeksforGeeks has duplicate characters
25

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
28std;9
The String GeeksforGeeks has duplicate characters
41

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
26
The String GeekforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
15
The String GeeksforGeeks has duplicate characters
16
The String GeeksforGeeks has duplicate characters
17
The String GeeksforGeeks has duplicate characters
18

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
22223
The String GeeksforGeeks has duplicate characters
24

The String GeeksforGeeks has duplicate characters
70
The String GeeksforGeeks has duplicate characters
77
The String GeeksforGeeks has duplicate characters
36
The String GeeksforGeeks has duplicate characters
37

The String GeeksforGeeks has duplicate characters
8#include 2

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
22223
The String GeeksforGeeks has duplicate characters
24

The String GeeksforGeeks has duplicate characters
70
The String GeeksforGeeks has duplicate characters
77
The String GeeksforGeeks has duplicate characters
44
The String GeeksforGeeks has duplicate characters
37

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
1

Python3

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
31

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
33
The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
75

The String GeeksforGeeks has duplicate characters
49
The String GeeksforGeeks has duplicate characters
88

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
90
The String GeeksforGeeks has duplicate characters
81
The String GeeksforGeeks has duplicate characters
92
The String GeeksforGeeks has duplicate characters
93

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
55
The String GeeksforGeeks has duplicate characters
56
The String GeeksforGeeks has duplicate characters
57
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
59
The String GeeksforGeeks has duplicate characters
93#include 022

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4 #include 07
The String GeeksforGeeks has duplicate characters
81
The String GeeksforGeeks has duplicate characters
81 #include 10
The String GeeksforGeeks has duplicate characters
69 std;9__

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
87

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
91

The String GeeksforGeeks has duplicate characters
4 #include 21
The String GeeksforGeeks has duplicate characters
81
The String GeeksforGeeks has duplicate characters
81#include 24
The String GeeksforGeeks has duplicate characters
11

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
90
The String GeeksforGeeks has duplicate characters
81
The String GeekforGeeks has duplicate characters
6

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4 #include 32

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
02
The String GeeksforGeeks has duplicate characters
5#include 36#include 37#include 48
The String GeeksforGeeks has duplicate characters
71

C#

Các

The String GeeksforGeeks has duplicate characters
3#include 2
The String GeeksforGeeks has duplicate characters
11

using

The String GeeksforGeeks has duplicate characters
22

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
13#include 63

The String GeeksforGeeks has duplicate characters
8#include 65

The String GeeksforGeeks has duplicate characters
15 namespace0
The String GeeksforGeeks has duplicate characters
25

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
16
The String GeeksforGeeks has duplicate characters
0 namespace4

The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
32
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3#include 2

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
6 std;1std;2
The String GeeksforGeeks has duplicate characters
23std;9
The String GeeksforGeeks has duplicate characters
25

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
28std;9
The String GeeksforGeeks has duplicate characters
41

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
28std;9
The String GeeksforGeeks has duplicate characters
41

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
15
The String GeeksforGeeks has duplicate characters
16
The String GeeksforGeeks has duplicate characters
17
The String GeeksforGeeks has duplicate characters
18

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
22223
The String GeeksforGeeks has duplicate characters
24

The String GeeksforGeeks has duplicate characters
76
The String GeeksforGeeks has duplicate characters
77
The String GeeksforGeeks has duplicate characters
36
The String GeeksforGeeks has duplicate characters
37

The String GeeksforGeeks has duplicate characters
8#include 2

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
22223
The String GeeksforGeeks has duplicate characters
24

The String GeeksforGeeks has duplicate characters
76
The String GeeksforGeeks has duplicate characters
77
The String GeeksforGeeks has duplicate characters
44
The String GeeksforGeeks has duplicate characters
37

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
31

The String GeeksforGeeks has duplicate characters
89

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
33
The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
75

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
8using36using37
The String GeeksforGeeks has duplicate characters
37

The String GeeksforGeeks has duplicate characters
8using40

The String GeeksforGeeks has duplicate characters
49
The String GeeksforGeeks has duplicate characters
88

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
16
The String GeeksforGeeks has duplicate characters
0 namespace4

The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
32
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3#include 2

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
6 std;1std;2
The String GeeksforGeeks has duplicate characters
23std;9
The String GeeksforGeeks has duplicate characters
25

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
28std;9
The String GeeksforGeeks has duplicate characters
41

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3
The String GeekforGeeks has duplicate characters
11
The String GeekforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
15
The String GeeksforGeeks has duplicate characters
16
The String GeeksforGeeks has duplicate characters
17
The String GeeksforGeeks has duplicate characters
18

The String GeeksforGeeks has duplicate characters
3#include 2

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
15
The String GeeksforGeeks has duplicate characters
16
The String GeeksforGeeks has duplicate characters
17
The String GeeksforGeeks has duplicate characters
18

The String GeekforGeeks has duplicate characters
35

Output:  

The String GeeksforGeeks has duplicate characters

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
22223
The String GeeksforGeeks has duplicate characters
24
: O[nlogn]  

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
31
O[1]

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
33
The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
75
: This approach assumes ASCII char set[8 bits]. The idea is to maintain a boolean array for the characters. The 256 indices represent 256 characters. All the array elements are initially set to false. As we iterate over the string, set true at the index equal to the int value of the character. If at any time, we encounter that the array value is already true, it means the character with that int value is repeated. 

C++

using96

using97

using namespace std;

namespace01

The String GeeksforGeeks has duplicate characters
6 namespace03

The String GeeksforGeeks has duplicate characters
0
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4 namespace09

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
0 namespace16

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
6 namespace21

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4 namespace24
The String GeeksforGeeks has duplicate characters
6namespace26
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
71

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
8namespace34
The String GeeksforGeeks has duplicate characters
6namespace36
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
6
The String GeekforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3
The String GeekforGeeks has duplicate characters
5
The String GeekforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
0

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
22
The String GeeksforGeeks has duplicate characters
4

The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3#include 2
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
22
The String GeeksforGeeks has duplicate characters
4

The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
6using0
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3#include 2
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
7 using6

Java

using8 using9

namespace0 namespace1

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
6 namespace89namespace90
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3namespace3 namespace4

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
8std;11
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
37

The String GeeksforGeeks has duplicate characters
6
The String GeekforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
0

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
22
The String GeeksforGeeks has duplicate characters
4

The String GeeksforGeeks has duplicate characters
3#include 2
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
7 using6

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
1

Java

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

using8 using9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
2

namespace0 namespace1

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
26
The String GeekforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
6 namespace89namespace90
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3namespace3 namespace4

The String GeeksforGeeks has duplicate characters
70
The String GeeksforGeeks has duplicate characters
77
The String GeeksforGeeks has duplicate characters
36
The String GeeksforGeeks has duplicate characters
37

The String GeeksforGeeks has duplicate characters
8#include 2

The String GeeksforGeeks has duplicate characters
3namespace3 namespace4

The String GeeksforGeeks has duplicate characters
70
The String GeeksforGeeks has duplicate characters
77
The String GeeksforGeeks has duplicate characters
44
The String GeeksforGeeks has duplicate characters
37

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
1

Python3

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4 namespace09

The String GeeksforGeeks has duplicate characters
8namespace3std;06
The String GeeksforGeeks has duplicate characters
23 namespace3std;09

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
6 std;1std;2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
6 std;23
The String GeeksforGeeks has duplicate characters
6std;25

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4 std;28
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
71

The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3std;36
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
15
The String GeeksforGeeks has duplicate characters
16
The String GeeksforGeeks has duplicate characters
17
The String GeeksforGeeks has duplicate characters
18

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
22223
The String GeeksforGeeks has duplicate characters
24

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
31

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
33
The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
75

std;86

The String GeeksforGeeks has duplicate characters
81 namespace90
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
49 std;91

The String GeeksforGeeks has duplicate characters
3std;93
The String GeeksforGeeks has duplicate characters
81
The String GeeksforGeeks has duplicate characters
59std;96

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
02
The String GeeksforGeeks has duplicate characters
5#include 36
The String GeeksforGeeks has duplicate characters
05
The String GeeksforGeeks has duplicate characters
046
The String GeeksforGeeks has duplicate characters
71

The String GeeksforGeeks has duplicate characters
061
The String GeeksforGeeks has duplicate characters
062
The String GeeksforGeeks has duplicate characters
71

The String GeeksforGeeks has duplicate characters
3#include 2
The String GeeksforGeeks has duplicate characters
11

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
02
The String GeeksforGeeks has duplicate characters
5#include 36
The String GeeksforGeeks has duplicate characters
05
The String GeeksforGeeks has duplicate characters
046
The String GeeksforGeeks has duplicate characters
71

The String GeeksforGeeks has duplicate characters
061
The String GeeksforGeeks has duplicate characters
075
The String GeeksforGeeks has duplicate characters
71

C#

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4 std;99

using8 using9

namespace0 namespace1

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
6 namespace89namespace90
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3namespace3 namespace4

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
6
The String GeekforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
109
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
0

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
22
The String GeeksforGeeks has duplicate characters
4

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
22
The String GeeksforGeeks has duplicate characters
4

The String GeeksforGeeks has duplicate characters
3#include 2
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3std;36
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
1

Java

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

using8 using9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
2

namespace0 namespace1

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
26
The String GeekforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
6 namespace89namespace90
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3namespace3 namespace4

The String GeeksforGeeks has duplicate characters
76
The String GeeksforGeeks has duplicate characters
77
The String GeeksforGeeks has duplicate characters
36
The String GeeksforGeeks has duplicate characters
37

The String GeeksforGeeks has duplicate characters
8#include 2

The String GeeksforGeeks has duplicate characters
3namespace3 namespace4

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4 namespace09

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
8namespace3std;06
The String GeeksforGeeks has duplicate characters
23 namespace3std;09

The String GeeksforGeeks has duplicate characters
89

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
186

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
5
The String GeeksforGeeks has duplicate characters
6 std;1std;2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
6 std;23
The String GeeksforGeeks has duplicate characters
6std;25

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
6
The String GeekforGeeks has duplicate characters
2

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
109
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
0

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
216

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4 std;28
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
71

The String GeeksforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3std;36
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
7
The String GeeksforGeeks has duplicate characters
8
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
1

The String GeeksforGeeks has duplicate characters
3
The String GeekforGeeks has duplicate characters
11
The String GeekforGeeks has duplicate characters
6
The String GeeksforGeeks has duplicate characters
9

The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
4
The String GeeksforGeeks has duplicate characters
244

using75

The String GeekforGeeks has duplicate characters
19
The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
75

The String GeeksforGeeks has duplicate characters
249
The String GeeksforGeeks has duplicate characters
77
The String GeeksforGeeks has duplicate characters
36
The String GeeksforGeeks has duplicate characters
37

The String GeeksforGeeks has duplicate characters
3#include 2

using75

The String GeekforGeeks has duplicate characters
19
The String GeeksforGeeks has duplicate characters
3
The String GeeksforGeeks has duplicate characters
75

The String GeeksforGeeks has duplicate characters
249
The String GeeksforGeeks has duplicate characters
77
The String GeeksforGeeks has duplicate characters
44
The String GeeksforGeeks has duplicate characters
37

The String GeekforGeeks has duplicate characters
35

Output:

The String GeeksforGeeks has duplicate characters

Độ phức tạp về thời gian: O [n] & nbsp;: O[n] 

Không gian phụ trợ: O [n] O[n]

Cách tiếp cận 4-Không có cấu trúc dữ liệu bổ sung: Cách tiếp cận có giá trị đối với các chuỗi có bảng chữ cái dưới dạng A-Z. Cách tiếp cận này là một chút khó khăn. Thay vì duy trì một mảng boolean, chúng tôi duy trì giá trị số nguyên gọi là trình kiểm tra [32 bit]. Khi chúng tôi lặp lại chuỗi, chúng tôi tìm thấy giá trị INT của ký tự đối với 'A' với câu lệnh int bitatindex = str.charat [i]-'a'; & nbsp; thì bit tại giá trị int đó được đặt thành 1 với câu lệnh 1

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