Bittijono

input/code.cpp: In function 'int main()':
input/code.cpp:12:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 1; i <= line.size(); i++) {
                     ~~^~~~~~~~~~~~~~
input/code.cpp:13:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int s = 0; s <= line.size() - i; s++) {
                         ~~^~~~~~~~~~~~~~~~~~

#include <iostream>
#include <algorithm>
#include <string>


int main() {
    std::string line;
    std::getline(std::cin, line);


    int x = 0;
    for (int i = 1; i <= line.size(); i++) {
        for (int s = 0; s <= line.size() - i; s++) {
            if (std::count(line.begin() + s, line.begin() + i + s, '1') % 2 == 0) {
                x++;
            }
        }
    }

    std::cout << x << std::endl;
}

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: TIME LIMIT EXCEEDED

Test 9

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 10

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 11

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 12

Group: 2

Verdict: TIME LIMIT EXCEEDED

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