Submission #1073278

#	Time	Username	Problem	Language	Result	Execution time	Memory
1073278		fv3	Catfish Farm (IOI22_fish)	C++17	6 / 100	62 ms	24260 KiB

fish

#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 < M; 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 = ps[1][N-1];
    if (N > 2)
    {
        for (int i = 0; i < N; i++)
            res = max(res, ps[0][i] + ps[1][N-1] - ps[1][i]);
    }
    else
    {
        for (int i = 0; i < N; i++)
            res = max({res, ps[0][i], ps[1][i]});
    }

    return res;
}

• 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