/** 题目:K - Large Division 链接:https://vjudge.net/contest/154246#problem/K 题意:判断a是否是b的倍数。 a (-10^200 ≤ a ≤ 10^200) and b (|b| > 0, b fits into a 32 bit signed integer). 思路:取余; */ #include<iostream> #include<cstring> #include<cstdio> #include<algorithm> #include<cmath> using namespace std; typedef long long ll; char a[210]; bool solve(ll mod) { ll r = 0; for(int i = 0; a[i]!='