제출 #1244241

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1244241		amine_aroua	Catfish Farm (IOI22_fish)	C++20	0 / 100	21 ms	13376 KiB

fish

#include "fish.h"

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
void chmax(ll &a , ll b)
{
	a = max(a , b);
}
long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y,
						std::vector<int> W) 
{
	vector<ll> val(N+1);
	for(int i = 0 ;i < N ; i++)
	{
		val[X[i]+1] = W[i];
	}
	ll ans = 0;
	vector<vector<vector<vector<ll>>>> dp(2 , vector<vector<vector<ll>>>(2 , vector<vector<ll>>(2 ,vector<ll>(N+1))));
	for(int i = 1 ; i <= N ; i++)
	{
		for(int b = 0 ;b < 2 ; b++)
		{
			for(int a = 0  ; a < 2 ;a++)
			{
				for(int cur = 0 ; cur< 2 ;cur++)
				{
					ll add = 0;
					if((b || a ) && cur == 0)
						add = val[i];
					for(int bb = 0 ; bb < 2 ; bb++)
					{
						chmax(dp[b][cur][a][i] , dp[bb][b][cur][i - 1] + add);
						if(i == N)
							ans = max(ans , dp[b][cur][a][i]);
					}
				}
			}
		}
	}
	return ans;
}

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