UVa 1585 - Score

#include <algorithm>
#include <iostream>
#include <cstdlib>
#include <cstdio>

using namespace std;

char str[81];
int  score[81];

int main()
{
int n;
scanf("%d",&n);
while (n --) {
scanf("%s",str);
score[0] = (str[0] == 'O');
for (int i = 1 ; str[i] ; ++ i) {
score[i] = score[i-1]+1;
if (str[i] == 'X')
score[i] = 0;
}
int sum = 0;
for (int i = 0 ; str[i] ; ++ i)
sum += score[i];

printf("%d\n",sum);
}
return 0;
}