题解 | #统计大写字母个数#

#include <stdio.h>
#include <string.h>

#define MAX 252

int main(){

    char arr[MAX];
    fgets(arr, sizeof(arr), stdin);
    arr[sizeof(arr) - 1] = '\0';
    int len = strlen(arr);

    int count = 0;
    for(int i = 0; i < len; i++){
        if(arr[i] >= 'A' && arr[i] <= 'Z')
            count++;
    }

    printf("%d", count);
    return 0;
}