제출 #1241805

#제출 시각아이디문제언어결과실행 시간메모리
1241805edga1메기 농장 (IOI22_fish)C++20
14 / 100
25 ms4132 KiB
#include <bits/stdc++.h> #include "fish.h" #define ll long long using namespace std; ll w[305][10]; ll dp[305][10][10]; ll max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W){ for(int i=0; i<M; i++){ w[X[i]+1][Y[i]+1]=W[i]; } for(int i=1; i<=N; i++){ for(int j=2; j<=9; j++){ w[i][j]+=w[i][j-1]; } } for(int i=2; i<=N; i++){ for(int h1=0; h1<=9; h1++){ for(int h2=0; h2<=9; h2++){ for(int h3=0; h3<=9; h3++){ ll p=dp[i-1][h2][h3]; if(h1>h3 && h1>h2) p+=w[i-1][h1]-w[i-1][max(h2,h3)]; if(h2>h1) p+=w[i][h2]-w[i][h1]; dp[i][h1][h2]=max(p,dp[i][h1][h2]); if(i==2) break; } //cout<<i<<' '<<h1<<' '<<h2<<' '<<dp[i][h1][h2]<<'\n'; } } } ll b=0; for(int h1=0; h1<=9; h1++){ for(int h2=0; h2<=9; h2++){ b=max(b,dp[N][h1][h2]); } } return b; }
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