제출 #1326642

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1326642		Ludissey	카니발 티켓 (IOI20_tickets)	C++20	11 / 100	1 ms	824 KiB

tickets

#include "tickets.h"
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define sz(a) (int)a.size()
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()

int n;

int calc(vector<int> v){
	sort(all(v));
	int med=v[(sz(v)-1)/2];
	int ans=0;
	for (int i = 0; i < sz(v); i++) ans+=abs(v[i]-med);
	return ans;
}

long long find_maximum(signed k, std::vector<std::vector<signed>> x) {
	n=sz(x);
	int m=sz(x[0]);
	vector<int> a(n);
	vector<vector<signed>> ret(n,vector<signed>(m,-1));
	for (int i = 0; i < n; i++)
	{
		a[i]=i;
	}
	sort(all(a),[&x,&m](int _i, int _j){
		if(x[_i][0]==x[_j][0]) return x[_i][m-1]<x[_j][m-1];
		return x[_i][0]<x[_j][0];
	});
	vector<int> v;
	for (int i = 0; i < n; i++)
	{
		if(i<n/2){
			v.push_back(x[a[i]][0]);
			ret[a[i]][0]=0;
		}else{
			v.push_back(x[a[i]][m-1]);
			ret[a[i]][m-1]=0;
		}
	}
	allocate_tickets(ret);
	return calc(v);
}

• 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