hdoj_2043 密码

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=2043

 

//C++代码
#include<iostream>
#include<cstring>
#include<cctype>
using namespace std;

int main(){
	int n,len,i;
	char a[55];
	cin>>n;
	while(n--){
		cin>>a;
		len=strlen(a);
		if(len<8 || len>16){
			cout<<"NO"<<endl;
			continue;
		}
		int f[4]={0};
		for(i=0;i<len;i++){
			if(isdigit(a[i])) f[0]=1;
			else if(isupper(a[i])) f[1]=1;
			else if(islower(a[i])) f[2]=1;
			else f[3]=1;
		}
		if(f[0]+f[1]+f[2]+f[3]>=3) cout<<"YES"<<endl;
		else cout<<"NO"<<endl;
	}
	return 0;
}