Bittijono

input/code.cpp: In function 'int main()':
input/code.cpp:19:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < s.length(); i++) {
                 ~~^~~~~~~~~~~~
input/code.cpp:22:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(j < s.length()) {
         ~~^~~~~~~~~~~~

//============================================================================
// Name        : Tehtava1.cpp
// Author      : Dan
// Version     :
// Copyright   : Your copyright notice
// Description : Hello World in C++, Ansi-style
//============================================================================

#include <bits/stdc++.h>
using namespace std;
int n;
vector<int> v;

int c = 0;
string s;

int main() {
	cin >> s;
	for(int i = 0; i < s.length(); i++)	{
		int k = 0;
		int j = i;
		while(j < s.length())	{
			string y = "1";
			if(s[j] == y[0])	{
				k++;
			}
			if(k % 2 == 0)	{
				c++;
			}
			j++;
		}
	}
	cout << c;

	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: 1

Verdict: ACCEPTED

Test 7

Group: 1

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED

Test 10

Group: 2

Verdict: ACCEPTED

Test 11

Group: 2

Verdict: ACCEPTED

Test 12

Group: 2

Verdict: ACCEPTED

Test 13

Group: 2

Verdict: ACCEPTED

Test 14

Group: 2

Verdict: ACCEPTED

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 16

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 17

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 18

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 19

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 20

Group: 3

Verdict: ACCEPTED

Test 21

Group: 3

Verdict: ACCEPTED