Submission #1073264

#	Time	Username	Problem	Language	Result	Execution time	Memory
1073264		Zicrus	Catfish Farm (IOI22_fish)	C++17	0 / 100	58 ms	12392 KiB

fish

    #include <bits/stdc++.h>
    #include "fish.h"
    using namespace std;
     
    typedef long long ll;
     
    int n, m;
    vector<int> x, y, w;
     
    ll max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) {
        n = N; m = M; x = X; y = Y; w = W;
        ll res = 0;
        for (int i = 0; i < m; i++) {
            if (x[i] > 0) res += (ll)w[i];
        }
        ll mx = res;
        vector<ll> a(n), b(n);
        for (int i = 0; i < m; i++) {
            if (x[i] > 0) b[y[i]] += (ll)w[i];
            else a[y[i]] += (ll)w[i];
        }
        for (int i = 0; i < n; i++) {
            res -= b[i];
            res += a[i];
            mx = max(mx, res);
        }
        return mx;
    }
     
    #ifdef TEST
    #include "grader.cpp"
    #endif

• Subtask 1: 0 / 3
• Subtask 2: 0 / 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