codeforces 622 F - The Sum of the k-th Powers 拉格朗日插值法
题目链接:http://codeforces.com/contest/622/problem/F
题目大意:
#include<bits/stdc++.h>
#define LL long long
using namespace std;
const int mod = 1e9+7;
#define rep(i,a,n) for (int i=a;i<n;i++)
#de...
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2019-11-24 21:52:58 ·
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