[C++]백준 8958번 : OX퀴즈

https://www.acmicpc.net/problem/8958

#include <iostream>

#include <string>

using namespace std;

int main() {

int T;

string s;

cin >> T;

for (int j = 0; j < T; j++) {

cin >> s;

int sum, cnt;

sum = cnt = 0;

for (int i = 0; i < s.length(); i++) {

if (s[i] == 'O') cnt++;

else cnt = 0;

sum += cnt;

}

cout << sum<<'\n';

}

}