提交记录 #206

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

#define MAX_LENGTH 20

void check_safe(char *passw) {
    int l = strlen(passw);
    int has_upper = 0, has_lower = 0, has_digit = 0, has_other = 0;

    if (l < 6) {
        printf("Not Safe\n");
        return;
    }

    for (int i = 0; i < l; i++) {
        if (isdigit(passw[i])) {
            has_digit = 1;
        } else if (isupper(passw[i])) {
            has_upper = 1;
        } else if (islower(passw[i])) {
            has_lower = 1;
        } else {
            has_other = 1;
        }
    }

    int char_type = has_digit + has_upper + has_lower + has_other;

    if (char_type == 1) {
        printf("Not Safe\n");
    } else if (char_type == 2) {
        printf("Medium Safe\n");
    } else {
        printf("Safe\n");
    }
}

int main() {
    int N;
    char passw[MAX_LENGTH + 1];

    scanf("%d", &N);

    for (int i = 0; i < N; i++) {
        scanf("%s", passw);
        check_safe(passw);
    }

    return 0;
}