HDOJ2043(JAVAset容器练习)

import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Scanner;

public class Main {
static PrintWriter cout = new PrintWriter(System.out, true);
static Scanner cin = new Scanner(System.in);
static final char[] chs = {'~','!','@','#','$','%','^'};
static boolean isChar(char ch)
{
for(int i = 0; i < chs.length; i++)
if(chs[i] == ch)
return true;
return false;
}
public static void main (String[] args){
int t = cin.nextInt();
while(t-- > 0)
{
String s = cin.next();
if(!(s.length()>=8&&s.length()<=16))
{
cout.println("NO");
continue;
}
int i = 0;
HashSet<String> set = new HashSet<String>();
while(i < s.length())
{
if('0'<=s.charAt(i)&&s.charAt(i)<='9')
{
set.add("1");
}
else if('a'<=s.charAt(i)&&s.charAt(i)<='z')
{
set.add("2");
}
else if('A'<=s.charAt(i)&&s.charAt(i)<='Z')
{
set.add("3");
}
else if(isChar(s.charAt(i)))
{
set.add("4");
}
if(set.size() >= 3)
{
break;
}
i++;
}
if(set.size() >= 3)
cout.println("YES");
else
cout.println("NO");
}

}
}