题解 | #统计大写字母个数#

#include <stdio.h>
#include <ctype.h>
#define LEN 250

int main() {
    char s[LEN];
    while (fgets(s, sizeof(s), stdin) != NULL) {
        int count = 0;
        for(int i = 0; s[i] != '\n' && s[i] != '\0'; i++) {
            if(isupper(s[i])) count++;
        }
        printf("%d\n", count);
    }
    return 0;
}