제출 #1041924

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1041924		MarwenElarbi	카니발 티켓 (IOI20_tickets)	C++17	0 / 100	1 ms	600 KiB

tickets

#include <bits/stdc++.h>
#include "tickets.h"
using namespace std;
#define pb push_back
long long find_maximum(int k, std::vector<std::vector<int>> x) {
	int n = x.size();
	int m = x[0].size();
	vector<std::vector<int>> ans(n,vector<int> (m,0));
	long long res=0;
	vector<int> tab;
	for (int i = 0; i < n; ++i)
	{	
		tab.pb(x[i][0]);
	}
	sort(tab.begin(),tab.end());
	long long pre[n];
	long long suf[n+1];
	suf[n]=0;
	for (int i = 0; i < n; i++){
		pre[i]=tab[i]+(i ? pre[i-1] : 0);
	}
	for (int i = n-1; i >= 0; --i)
	{
		suf[i]=tab[i]+(i<n-1 ? suf[i+1] : 0);
	}
	for (int i = 0; i < n; ++i)
	{
		res=max(res,abs(1ll*tab[i]*(i+1)-pre[i])-abs(1ll*tab[i]*(n-i-1)-suf[i+1]));
	}
	allocate_tickets(ans);
	return res;
}

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