题解 | #数字颠倒#
数字颠倒
https://www.nowcoder.com/practice/ae809795fca34687a48b172186e3dafe
public class Main { public static void main(String[] args) throws IOException { Scanner sc = new Scanner(System.in); while(sc.hasNext()) { int num = sc.nextInt(); String result; result = (num == 0) ? "0" : ""; while(num > 0) { int res = num % 10; num /= 10; result = result + res; } System.out.print(result); } } }