Submission #1291693

#	Time	Username	Problem	Language	Result	Execution time	Memory
1291693		lucaskojima	카니발 티켓 (IOI20_tickets)	C++17	11 / 100	1 ms	840 KiB

tickets

#include "bits/stdc++.h"
#include "tickets.h"
#define sz(x) (int)size(x)
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)

using namespace std;
using ll = long long;
using pii = pair<int, int>;

const char nl = '\n';
const int INF = 0x3f3f3f3f;
const ll LINF = 0x3f3f3f3f3f3f3f3f;

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

	vector<int> a;
	for (int i = 0; i < n; i++)
		a.push_back(x[i][0]);

	sort(all(a));

	long long ans = 0;
	for (int i = 0; i < n / 2; i++)
		ans -= a[i];
	for (int i = n / 2; i < n; i++)
		ans += a[i];

	vector pos(n, vector<int>(m));
	for (int i = 0; i < n; i++)
		pos[i][0] = 0;

	allocate_tickets(pos);
	return ans;
}

• Subtask 1: 11 / 11
• Subtask 2: 0 / 16
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 12
• Subtask 6: 0 / 23
• Subtask 7: 0 / 10