제출 #641866

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
641866	2022-09-17 17:27:01	Vanilla	Catfish Farm (IOI22_fish)	C++17	35 / 100	1097 ms	117648 KiB

fish

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#include "fish.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long int64;
const int maxn = 3002;
int64 dp [maxn][maxn][2];
int64 mx [maxn];
int64 p [maxn][maxn];
int lim = 8;
int64 max_weights(int n, int m, vector<int> x, vector<int> y,
                      vector<int> w) {
  lim = min(lim, n);
  for (int i = 0; i < m; i++) {
    p[++x[i]][++y[i]] = w[i];
  }
  for (int i = 1; i <= n; i++){
    for (int j = 1; j <= n; j++){
      p[i][j]+=p[i][j-1];
    }
  }
  for (int i = 2; i <= n; i++){
    for (int j = 0; j <= n; j++){
      dp[i][j][1] = mx[i-2] + p[i-1][j];
      for (int k = j; k <= n; k++){
        dp[i][j][0] = max(dp[i][j][0], max(dp[i-1][k][0], dp[i-1][k][1]) + p[i][k] - p[i][j]);
      }
      for (int k = 0; k <= j; k++){
        dp[i][j][1] = max(dp[i][j][1], dp[i-1][k][1] + p[i-1][j] - p[i-1][k]);
      }
 
 
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