题解 | #密码检查#

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

int main() 
{
    int n = 0;
    scanf("%d",&n);
    char arr[100] = {0};
    for(int j = 0;j < n;j++)
    {
        scanf("%s",arr);
        int count =0;
        int sz = strlen(arr);
        if(sz >= 8 && sz <= 100)
        {
            for(int i = 0;i < sz;i++)
            {
                if(arr[i] >= 'A' && arr[i] <='Z'||
                arr[i] >= 'a' && arr[i] <='z' ||
                arr[i] >= '0' && arr[i] <='9')
                {
                    count++;
                }
            }
        }
        if(sz == count)
        {
            printf("YES\n");
        }
        else 
        {
            printf("NO\n");
        }
        
    }
    
    return 0;
}