题目链接：https://nanti.jisuanke.com/t/142#include<bits/stdc++.h>using namespace std;const int mod = 1e9+7;const int maxn=11;struct Mat{ int v[maxn][maxn]; int m,n; Mat(){ ...
#include <cstdio>
#include <iostream>
using namespace std;
long long x[999][999];
long long ans[999][999];
long long dx[999][999];
const int p=1e9+7;
void ans_cf(int n)
{
for(int i=1;
/** * @Author Tianyiya H.T.W * @Date 2019/1/8 11:23 */ public class Main { private static int[][] matrixPow(int[][] x, int n) { int[][] one = new int[ ...
