题解 | #密码检查#

#include<stdio.h>
int main()
{
    int n = 0;
    scanf("%d",&n);
    while(n--){
        char arr[100] = {0};
        scanf("%s",arr);
        int count = 0;
        int flag = 0;//记录遇到类型就变
        int i = 0;//记录长度
        if(arr[0] >= (0+'0') && arr[0] <= (9 + '0')){
            printf("NO\n");
        }else{
            for(i = 1; arr[i] != '\0'; i++){
                if(flag == 0 && sizeof(arr[i]!=sizeof(arr[i-1]))){
                    count++;
                    flag = 1;
                }else if(flag == 0){
                    if(arr[i] >= 'a' && arr[i] <='z' && arr[i - 1] >='A' && arr[i - 1]<='Z'){
                        count++;
                        flag = 1;
                    }else if(arr[i] >= 'A' && arr[i] <='Z' && arr[i - 1] >='a' && arr[i - 1]<='z'){
                        count++;
                        flag = 1;
                    }
                }
            }
        }
        if(i >=8 && count){
            printf("YES\n");
        }else{
            printf("NO\n");
        }
    }
    return 0;
}