Osajono

input/code.cpp: In function 'int main()':
input/code.cpp:14:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int j = 0; j < input.size(); j++){
                    ^
input/code.cpp:16:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = j; i < input.size();i++){
                    ^

#include <iostream>
#include <string.h>


using namespace std;

int main()
{
	string input = "";
	int result = 0;

	cin >> input;

	for (int j = 0; j < input.size(); j++){
		//cout << "First" << input[j] << endl;
		for(int i = j; i < input.size();i++){
			//cout << "last" << input[i] << endl;
			if (input[j] == input[i]){
				//string newstr = input.substr(j, i - j + 1);
				//cout << "result" << newstr << endl;
				result++;
			}
		}
	}
	cout << result;

	return 0;
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED

Test 10

Group: 2

Verdict: ACCEPTED

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 13

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 14

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED