제출 #786747

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
786747	2023-07-18 12:26:22	flappybird	NoM (RMI21_nom)	C++17	100 / 100	199 ms	194792 KiB

Main

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#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma")
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
#define MAX 2020
#define MAXS 22
#define INF 1000000000000000001
#define bb ' '
#define ln '\n'
#define Ln '\n'
#define MOD 1000000007
ll fact[MAX * 2];
int A[MAX];
ll dp[MAX][MAX * 2];
ll C[MAX * 2][MAX * 2];
ll P[MAX * 2][MAX * 2];
void add(ll& a, ll b) { a = (a + b) % MOD; }
signed main() {
  ios::sync_with_stdio(false), cin.tie(0);
  int N, M;
  cin >> N >> M;
  int i, j, k;
  fact[0] = 1;
  for (i = 1; i <= N * 2; i++) fact[i] = (fact[i - 1] * i) % MOD;
  C[0][0] = 1;
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 13 / 13
• Subtask 4: 18 / 18
• Subtask 5: 48 / 48