Submission #1201864

#	Time	Username	Problem	Language	Result	Execution time	Memory
1201864		Triseedot	Comparing Plants (IOI20_plants)	C++20	Compilation error	0 ms	0 KiB

plants

#include "tickets.h"
#include <bits/stdc++.h>
using namespace std;
#define len(v) (int) (v.size())
#define all(v) v.begin(), v.end()
using ll = long long;

long long find_maximum(int k, vector<vector<int>> x) {
	int n = len(x);
	int m = len(x[0]);

	vector answer(n, vector(m, -1));
    vector<pair<int, int>> cell(n * m);
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            cell[i * m + j] = {x[i][j], i};
        }
    }
    sort(all(cell));
    vector<int> cnt(n, 0);
    int r = n * k / 2;
    ll estimate = 0;
    for (int i = len(cell) - 1; i >= 0 && r > 0; i--) {
        if (cnt[cell[i].second] < k) {
            cnt[cell[i].second]++;
            r--;
            estimate += cell[i].first;
        }
    }
    vector<int> cnt1 = cnt;
    for (int i = 0; i < len(cell); i++) {
        if (cnt1[cell[i].second] < k) {
            cnt1[cell[i].second]++;
            estimate -= cell[i].first;
        }
    }

    vector<int> idx(n);
    iota(all(idx), 0ll);
    vector<int> ptr_l(n, 0), ptr_r(n, m - 1);
    ll score = 0;
    for (int ki = 0; ki < k; ki++) {
        sort(all(idx), [&] (int i, int j) {
            return cnt[i] < cnt[j];
        });
        for (int i = 0; i < n / 2; i++) {
            int j = idx[i];
            score -= x[j][ptr_l[j]];
            answer[j][ptr_l[j]++] = ki;
        }
        for (int i = n / 2; i < n; i++) {
            int j = idx[i];
            score += x[j][ptr_r[j]];
            answer[j][ptr_r[j]--] = ki;
        }
    }

    assert(estimate == score);
	allocate_tickets(answer);
	return score;
}

Compilation message (stderr)

plants.cpp:1:10: fatal error: tickets.h: No such file or directory
    1 | #include "tickets.h"
      |          ^~~~~~~~~~~
compilation terminated.