제출 #628466

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
628466	2022-08-13 12:15:58	guangxuan	메기 농장 (IOI22_fish)	C++17	100 / 100	213 ms	27536 KiB

fish

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#include "fish.h"
#define F first
#define S second
#include <bits/stdc++.h>
typedef long long ll;
const ll INF= 1LL<<60;
using namespace std;
typedef pair<int, ll> pil;
long long max_weights(int N, int M, std::vector<int> X, vector<int> Y,
                      vector<int> W) {
    for(int i=0;i<M;i++){
        Y[i]+=1;
    }
    vector<pil> rs[N];
    for(int i=0;i<M;i++){
        rs[X[i]].emplace_back(Y[i],W[i]);
    }
    for(int i=0;i<N;i++){
        rs[i].emplace_back(0,0);
        sort(rs[i].begin(),rs[i].end());
        rs[i].emplace_back(N+2,0);
        for(int j=1;j<(int)rs[i].size();j++){
            rs[i][j].S+=rs[i][j-1].S;
        }
    }
    ll dp[2][3][N+2]; // (0, h[i-1]), (h[i-1] <= h[i], h[i]), (h[i-1]>h[i], h[i])
    memset(dp,0,sizeof dp);
    for(int i=0,k=0;i<(int)rs[0].size();i++){
 
 
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