Submission #1291731

#	Time	Username	Problem	Language	Result	Execution time	Memory
1291731		gustavo_d	Carnival Tickets (IOI20_tickets)	C++20	11 / 100	2 ms	832 KiB

tickets

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

#define sz(v) (int)(v).size()

typedef long long ll;

const int MAXN = 1500;

int mx[MAXN], mn[MAXN];
int pai[MAXN][MAXN];
int dp[MAXN][MAXN];
int a[MAXN];

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

	for (int i=0; i<n; i++) {
		for (int j=0; j<m; j++) {
			if (x[i][j] > x[i][mx[i]]) mx[i] = j;
			if (x[i][j] < x[i][mn[i]]) mn[i] = j;
		}
		a[i] = x[i][0];
	}

	ll ans = 0;
	sort(a, a+n);
	for (int i=0; i<n; i++) ans += abs(a[n/2] - a[i]);

	vector<vector<int>> answer;
	for (int i = 0; i < n; i++) {
		vector<int> row(m, 0);
		answer.push_back(row);
	}
	allocate_tickets(answer);
	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