题解 | #反向输出一个四位数#
反向输出一个四位数
https://www.nowcoder.com/practice/1f7c1d67446e4361bf4af67c08e0b8b0
import java.util.*; public class Main { public static void main(String[] arg) { Scanner sc = new Scanner(System.in); int a = sc.nextInt(); int[] arr = new int[4]; for (int i = 0; i <4; i++) { arr[i]=a/(int)(Math.pow(10,i))%10;//从个位开始取数放进数组 System.out.print(arr[i]);//正序打印数组 } } }
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