题解 | #密码检查#

#include <stdio.h>
#include <string.h>
int main() {
    int n;
    scanf("%d", &n);
    char arr[1000] = {'\0'};
    while (n--) {
        scanf("%s", arr);
        int len = strlen(arr);
        int flag[3];
        if ((arr[0] < '9' && arr[0] > '0') || len < 8) {
            printf("NO\n");
            continue;
        }
        for (int i = 0; i < len; i++) {
            if ((arr[i] < '9' && arr[i] > '0') || (arr[i] > 'A' && arr[i] < 'z')) {
                if (arr[i] < '9' && arr[i] > '0') {
                    flag[0] = 1;
                }
                if (arr[i] > 'a' && arr[i] < 'z') {
                    flag[1] = 1;
                }
                if (arr[i] > 'A' && arr[i] < 'Z') {
                    flag[2] = 1;
                }
            }

        }
        if (flag[0] + flag[1] + flag[2] >= 2) {
            printf("YES\n");
        } 
       
    }
     return 0;
}