题解 | #密码强度等级#

#include <stdio.h>
#include <string.h>
int main() {
    char str[350];
    int bool[130] = {0};
    gets(str);
    int len = strlen(str);
    for (int i = 0; i < len; i++) {
        int k = str[i];
        bool[k]++;
    }
    int c21 = 0, c22 = 0, c3 = 0, c4 = 0;
    for (int i = 33; i < 127; i++) {
        if (bool[i] != 0) {
            if (i >= 48 && i <= 57) {
                c3++;
            }//数字
            else {
                if (i >= 65 && i <= 90) {
                    c21++;
                }//小写字母
                else {
                    if (i >= 97 && i <= 122) {
                        c22++;
                    }//大写字母
                    else
                        c4++;//符号
                }
            }

        }
    }
    //printf("%d %d\n",c21,c22);
    int sum = 0;
    if (len < 5)
        sum += 5;
    else {
        if (len > 7)
            sum += 25;
        else
            sum += 10;
    }
    if (c21 != 0 && c22 != 0)
        sum += 20;
    else {
        if (c21 == 0 && c22 == 0)
            sum += 0;
        else
            sum += 10;
    }
    if (c3 > 1)
        sum += 20;
    else if (c3 == 1)
        sum += 10;
    else
        sum += 0;
    if (c4 > 1)
        sum += 25;
    else if (c4 == 1)
        sum += 10;
    else
        sum += 0;
    //printf("%d\n",sum);
    while (1) {
        if (c21 != 0 && c22 != 0 && c3 != 0 && c4 != 0) {
            sum += 5;
            break;
        }
        if ((c21 != 0 && c22 == 0 && c3 != 0 && c4 != 0) || (c21 == 0 && c22 != 0 &&
                c3 != 0 && c4 != 0)) {
            sum += 3;
            break;
        }
        if ((c21 != 0 && c22 == 0 && c3 != 0) || (c21 == 0 && c22 != 0 && c3 != 0)) {
            sum += 2;
            break;
        }
        break;
    }
    //printf("%d\n",sum);
    if (sum >= 90)
        printf("VERY_SECURE\n");
    else if (sum < 90 && sum >= 80)
        printf("SECURE\n");
    else if (sum < 80 && sum >= 70)
        printf("VERY_STRONG\n");
    else if (sum < 70 && sum >= 60)
        printf("STRONG\n");
    else if (sum < 60 && sum >= 50)
        printf("AVERAGE\n");
    else if (sum < 50 && sum >= 25)
        printf("WEAK\n");
    else
        printf("VERY_WEAK\n");
    return 0;
}