代码

import java.util.ArrayList;
import java.util.Scanner;public class Main {public static void main(String[] args) {ArrayList<String> list = new ArrayList<>();char [] charArr = new char[32];for (int i = 0; i < charArr.length; i++) {charArr[i] ='0';}Scanner sc =new Scanner(System.in);int x = sc.nextInt();while (x>0) {x--;int n =sc.nextInt();String binaryString = Integer.toBinaryString(n);char[] binaryCharArray = binaryString.toCharArray();for (int i = charArr.length - binaryCharArray.length, r = 0; i < charArr.length && r < binaryCharArray.length; i++, r++) {charArr[i] = binaryCharArray[r];}String res = String.valueOf(charArr);list.add(res);}for (String s : list) {System.out.println(s);}}
}