제출 #839361

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
839361	2023-08-29 20:05:23	Trunkty	메기 농장 (IOI22_fish)	C++17	0 / 100	843 ms	154416 KiB

fish

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
//#define int ll
#include "fish.h"
ll arr[3005][3005],prearr[3005][3005];
ll dp[3005][3005],dp2[3005][3005]; // dp2 if adjacent AND lower
ll max_weights(int n, int m, vector<int> x, vector<int> y, vector<int> w){
    for(int i=0;i<m;i++){
        arr[x[i]+1][y[i]+1] = w[i];
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            prearr[i][j] = prearr[i][j-1]+arr[i][j];
        }
    }
    for(int i=1;i<=n;i++){
        for(int j=0;j<=n;j++){
            // if first port
            dp[i][j] = prearr[i-1][j]+prearr[i+1][j];
            if(i-1<=0){
                continue;
            }
            for(int k=0;k<=n;k++){
                // build port at x=i, height = j, connects to port at x=i-1, height = k
                if(j>k){
                    dp[i][j] = max(dp[i][j],dp[i-1][k]-prearr[i][k]+prearr[i+1][j]+prearr[i-1][j]-prearr[i-1][k]);
 
 
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