摘要：
import java.util.*; import java.math.*; public class Main{ public static void main(String args[]){ Scanner cin = new Scanner(System.in); BigInteger a, b; //以文件EOF结束 ... 阅读全文
摘要：
https://pintia.cn/problem-sets/994805342720868352/problems/994805507225665536 Given a pair of positive integers, for example, 6 and 110, can this equa 阅读全文