题解 | 清楚姐姐的糖葫芦

#include <stdio.h>

int main() {
	char str[1000] = { ' ' };
	int sum = 0;
	for (int i = 0; scanf("%c", &str[i]) != -1; i++) {
		if (str[i] == 'o') {
			sum++;
		}
	}
	printf("%d", sum);
	return 0;
}