题目描述

思路分析

用long保存防止溢出

代码实现

package TEST;public class Main {public static void main(String[] args) {Long cnt = 0L;for (int i = 1; i <= 2019; i++)if (check(i)) cnt += i*i;System.out.print(cnt);}static boolean check(int n) {String a=n+"";if (a.contains("2")||a.contains("0")||a.contains("1")||a.contains("9")){return true;}else {return false;}}}

答案

2658417853