Submission #1073271

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1073271	2024-08-24 11:30:40	fv3	Catfish Farm (IOI22_fish)	C++17	0 / 100	23 ms	8336 KiB

fish

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#include "fish.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) 
{
    vector<vector<ll>> ps(2, vector<ll>(N));
    for (int i = 0; i < N; i++)
    {
        ps[X[i]][Y[i]] = W[i];
    }
    ll suml = 0, sumr = 0;
    for (int i = 0; i < N; i++)
    {
        suml += ps[0][i];
        ps[0][i] = suml;
        sumr += ps[1][i];
        ps[1][i] = sumr;
    }
    ll res = 0;
    for (int i = 0; i < N; i++)
        res = max(res, ps[0][i] + ps[1][N-1] - ps[1][i]);
    return res;
}
 
 
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