Submission #1157804

#	Time	Username	Problem	Language	Result	Execution time	Memory
1157804		InvMOD	Catfish Farm (IOI22_fish)	C++20	Compilation error	0 ms	0 KiB

fish

#include<bits/stdc++.h>

using namespace std;

#define fi first
#define se second

#define int long long
#define sz(v) (int)(v).size()
#define all(v) (v).begin(), (v).end()

using ll = long long;


int max_weights(int n, int m, int X[], int Y[], int W[]){

    vector<vector<int>> w(n + 1, vector<int>(n + 1));

    for(int i = 0; i < m; i++){
        X[i] = X[i] + 1;
        Y[i] = Y[i] + 1;
        w[X[i]][Y[i]] = W[i];
    }

    vector<vector<int>> dp(n + 1, vector<int>(n + 1, 0));
    for(int i = 1; i <= n; i++){
        for(int j = 0; j <= n; j++){
            dp[i][0] = max(dp[i][0], dp[i - 1][j]);
        }

        int sum = 0;
        for(int j = 1; j <= n; j++){
            sum += w[i - 1][j];
            int sub = 0;
            for(int p = 0; p < j; p++){
                sub += w[i - 1][p];

                dp[i][j] = max(dp[i][j], dp[i - 1][p] + (sum - sub));
            }
        }
    }

    int answer = 0;
    for(int i = 0; i <= n; i++){
        answer = max(answer, dp[n][i]);
    }
    return answer;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cczfWVPA.o: in function `main':
grader.cpp:(.text.startup+0x267): undefined reference to `max_weights(int, int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status