UVA - 1585 Score

#include<stdio.h>
#include<string.h>
#define maxn 100

int main()
{
	int T;
	char s[maxn];
	scanf("%d", &T);
	while (T--) {
		scanf("%s", s);
		int len = strlen(s);
		int ans = 0, w = 0;
		for (int i = 0; i < len; ++i) {
			if (s[i] == 'X') {
				w = 0;
			} else {
				w++;
				ans += w;
			}
		}
		printf("%d\n", ans);
	}
	return 0;
}