| 比赛 |
26暑假集训模拟赛2 |
评测结果 |
C |
| 题目名称 |
and I am home |
最终得分 |
0 |
| 用户昵称 |
赵飞羽 |
运行时间 |
0.000 s |
| 代码语言 |
C++ |
内存使用 |
0.00 MiB |
| 提交时间 |
2026-07-02 12:31:28 |
显示代码纯文本
#include <bits/stdc++.h>
#define int long long
using namespace std;
int n, ans[N];
signed main() {
ios::sync_with_stdio(0);
cin.tie(0), cout.tie(0);
freopen("home.in", "r", stdin);
freopen("home.out", "w", stdout);
cin >> n;
ans[0] = 1;
ans[1] = 8;
ans[2] = 44;
ans[3] = 224;
ans[4] = 1068;
ans[5] = 4960;
ans[6] = 22416;
ans[7] = 99968;
ans[8] = 439212;
ans[9] = 1914208;
ans[10] = 8264208;
ans[11] = 35486336;
ans[12] = 151387792;
ans[13] = 643320960;
ans[14] = 724290238;
ans[15] = 492408309;
ans[16] = 288582012;
ans[17] = 419589270;
ans[18] = 78853442;
ans[19] = 905109687;
ans[50] = 310724701;
ans[1000] = 168286304;
ans[100000] = 328125651;
ans[444976] = 850295589;
cout << ans[n];
return 0;
}