제출 #704074

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
704074		bebra	카니발 티켓 (IOI20_tickets)	C++17	11 / 100	2 ms	596 KiB

tickets

#include "tickets.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

#define dbg(x) cerr << #x << ": " << x << endl;


ll find_maximum(int k, vector<vector<int>> x) {
    int n = x.size();
    int m = x[0].size();

    vector<vector<int>> s(n, vector<int>(m, -1));

    vector<int> a(n);
    iota(a.begin(), a.end(), 0);
    sort(a.begin(), a.end(), [&](int lhs, int rhs) {
        return x[lhs][0] < x[rhs][0];
    });
    for (int i = 0; i < n / 2; ++i) {
        s[a[i]][0] = 0;
    }

    int mn = 1e9 + 5;
    for (int i = n / 2; i < n; ++i) {
        s[a[i]][m - 1] = 0;
        mn = min(mn, x[a[i]][m - 1]);
    }

    ll ans = 0;
    for (int i = 0; i < n / 2; ++i) {
        ans += abs(x[a[i]][0] - mn);
    }
    for (int i = n / 2; i < n; ++i) {
        ans += abs(x[a[i]][m - 1] - mn);
    }
    // bipartite graph? 

    allocate_tickets(s);
    return ans;
}


// int main() {
//     int n, m, k;
//     cin >> n >> m >> k;

//     vector<vector<int>> a(n, vector<int>(m));
//     for (int i = 0; i < n; ++i) {
//         for (int j = 0; j < m; ++j) {
//             cin >> a[i][j];
//         }
//     }

//     cout << find_maximum(k, a);
// }

• Subtask 1: 11 / 11
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• Subtask 3: 0 / 14
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