Submission #761505

#	Time	Username	Problem	Language	Result	Execution time	Memory
761505		raul2008487	Catfish Farm (IOI22_fish)	C++17	0 / 100	82 ms	24256 KiB

fish

#include "fish.h"
#include<bits/stdc++.h>
#define pb push_back
#define ll long long
#define pll pair<ll,ll>
using namespace std;
long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y, std::vector<int> W) {
    vector<vector<ll>> fish(2,vector<ll>(N,0));
    ll i;
    for(i=0;i<M;i++){
        fish[X[i]][Y[i]]=W[i];
    }
    vector<vector<ll>> pre(2,vector<ll>(N,0));
    ll md=0;
    md=max(md,fish[0][0]-fish[1][0]);
    pre[0][0]=fish[0][0];
    pre[1][0]=fish[1][0];
    for(i=1;i<N;i++){
        pre[0][i]=pre[0][i-1]+fish[0][i];
        pre[1][i]=pre[1][i-1]+fish[1][i];
        md=max(md,pre[0][i]-pre[1][i]);
    }
    return pre[1][N-1]+md;
}

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