题解 | 单组_补充前导零
单组_补充前导零
https://www.nowcoder.com/practice/c5b1fb6a4b1644e590b49a4cbca7930e
import java.util.Scanner; public class Main{ public static void main(String[] args){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); sc.close(); String result = String.format("%09d",n); System.out.println(result); } }