제출 #723736

#제출 시각아이디문제언어결과실행 시간메모리
723736vjudge1메기 농장 (IOI22_fish)C++17
0 / 100
23 ms4308 KiB
#include "fish.h" #include<bits/stdc++.h> #define ll long long #include <vector> ll mx(ll a,ll b){ if(a>b) return a; return b; } long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y,std::vector<int> W) { ll dp[N][2],a[N]; for(int i=0;i<N;i++){ dp[i][0]=dp[i][1]=a[i]=0; } for(int i=0;i<M;i++){ a[X[i]]=1ll*W[i]; } dp[0][1]=a[0]; dp[1][0]=a[0]; dp[1][1]=a[1]; dp[2][1]=mx(a[1],a[0]+a[2]); dp[2][0]=mx(a[0],a[1]); ll ans=mx(a[0],mx(a[1],dp[2][1])); for(int i=3;i<N;i++){ dp[i][0]=dp[i-3][0]+a[i-2]+a[i-1]; dp[i][1]=mx(dp[i-2][1],dp[i-2][0]+a[i-1])+a[i]; ans=mx(ans,mx(dp[i][0],dp[i][1])); } return ans; } /* 9 9 0 0 1 1 0 4 2 0 5 3 0 2 4 0 1 5 0 5 6 0 3 7 0 2 8 0 1 */
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