Submission #643981

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
643981	2022-09-23 11:35:32	NintsiChkhaidze	Catfish Farm (IOI22_fish)	C++17	35 / 100	246 ms	24096 KiB

fish

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#include "fish.h"
#include <bits/stdc++.h>
#define ll long long
using namespace std;
 
const int N = 1005;
ll p[N][N],dp[N][N][5],suff[N][N];
 
ll max_weights(int n, int m, vector<int> X, vector<int> Y, vector<int> W) {
 
  for (int i = 0;i < m; i++){
    X[i]++,Y[i]++;
    p[X[i]][Y[i]] += W[i];
  }
 
  for (int j = 1; j <= n; j++)
    for (int i = 1; i <= n; i++)
      p[j][i] += p[j][i - 1];
 
  for (int j = 1; j <= n; j++){
    for (int a = 0; a <= n; a++){
      
      //update dp[j][a][0]
      for (int b = a; b <= n; b++){
        // ll v = max(dp[j - 1][b][0],dp[j - 1][b][1]) + p[j][b];
        ll v = suff[j - 1][b];
        
        dp[j][a][0] = max(dp[j][a][0], v - p[j][a]);
      }
 
 
 
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