Submission #1244239

#	Time	Username	Problem	Language	Result	Execution time	Memory
1244239		amine_aroua	Catfish Farm (IOI22_fish)	C++20	6 / 100	50 ms	11320 KiB

fish

#include "fish.h"

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y,
						std::vector<int> W) 
{
	vector<vector<ll>> y(2 ,vector<ll>(N));
	vector<vector<ll>> w(2 ,vector<ll>(N));
	for(int i = 0 ; i <M ; i++)
	{
		y[X[i]][Y[i]] = W[i];
		w[X[i]][Y[i]] = W[i];
	}
	for(int i = 0 ; i < 2 ; i++)
	{
		for(int j = 1 ; j < N ; j++)
		{
			y[i][j]+=y[i][j - 1];
		}
	}
	if(N == 2)
	{
		return max(y[0][N - 1] , y[1][N - 1]);
	}
	ll ans = max(y[0][N - 1] , y[1][N - 1]);
	ll s = y[1][N - 1];
	for(int i = 0 ; i < N ; i++)
	{
		s-=w[1][i];
		ans = max(ans , y[0][i] + s);
	}
	return ans;
}

• Subtask 1: 0 / 3
• Subtask 2: 6 / 6
• Subtask 3: 0 / 9
• Subtask 4: 0 / 14
• Subtask 5: 0 / 21
• Subtask 6: 0 / 17
• Subtask 7: 0 / 14
• Subtask 8: 0 / 16