제출 #1008630

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1008630	2024-06-26 16:00:48	vjudge1	Linear Garden (IOI08_linear_garden)	C++17	0 / 100	84 ms	65536 KiB

linear_garden

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#include<bits/stdc++.h>
using namespace std;
#ifdef ONPC
#include"debug.h"
#else
#define debug(...) 42
#endif
#define endl '\n'
#define ll long long
#define pii pair<int,int>
#define F first
#define S second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
#define int long long 
template<class T> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
int mod = 1e9 + 7;
const int MAXN = 1e6 + 15;
const int inf = 0x3f3f3f3f;
const ll INF = 0x3f3f3f3f3f3f3f3f;
int n;
int dp[MAXN][5][5][5]; // len, min ,max, cur
int calc(int len, int mn, int mx, int cur){
  if (mx - mn > 2) return 0;
  if (dp[len][mn][mx][cur] != -1) return dp[len][mn][mx][cur];
  if (len == 0) return dp[len][mn][mx][cur] = 1;
  return dp[len][mn][mx][cur] = (calc(len - 1, min(mn, cur - 1), mx, cur - 1) + calc(len - 1, mn, max(mx, cur + 1), cur + 1))%mod;
}
 
 
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