Submission #1073158

#	Time	Username	Problem	Language	Result	Execution time	Memory
1073158		Zicrus	Catfish Farm (IOI22_fish)	C++17	0 / 100	85 ms	12960 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 < n; i++) {
        if (x[i] == 1) res += w[i];
    }
    ll mod = 0;
    map<ll, ll> x0;
    for (int i = 0;  i< n; i++ ) {
        if (x[i] == 0) {
            x0[y[i]] += w[i];
        }
        else {
            x0[y[i]] -= w[i];
        }
    }
    ll mx = 0;
    for (auto &e : x0) {
        mod += e.second;
        mx = max(mx, mod);
    }
    return res + 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