20 lines
416 B
Java
20 lines
416 B
Java
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import java.util.Scanner;
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public class Main {
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static String cp(int n){
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int x=(int)Math.sqrt((double)n);
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return x*x==n?"YES":"NO";
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}
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public static void main(String[] args) {
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Scanner sc = new Scanner(System.in);
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int t=sc.nextInt();
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for(int i=0;i<t;i++){
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int s=sc.nextInt();
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System.out.println(cp(s));
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}
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sc.close();
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}
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}
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