Submission #1041938

#	Time	Username	Problem	Language	Result	Execution time	Memory
1041938		MarwenElarbi	Carnival Tickets (IOI20_tickets)	C++17	0 / 100	1 ms	348 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) {
	long long n = x.size();
	int m = x[0].size();
	vector<std::vector<int>> ans(n,vector<int> (m,0));
	long long res=0;
	vector<long long> 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);
	}cout <<endl;
	for (int i = n-1; i >= 0; --i)
	{
		suf[i]=tab[i]+suf[i+1];
	}
	for (long long 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]));
	}
	int mx=0;
	int mn=1e9;
	for (int i = 0; i < n; ++i)
	{	
		mx=max(mx,x[i][0]);
		mn=min(mn,x[i][0]);
	}
	long long cur=mx-(mx-mn)/2;
	long long a=0;
	for (int i = 0; i < n; i++){
		a+=abs(cur-x[i][0]);
	}res=max(res,a);
	allocate_tickets(ans);
	return res;
}

• Subtask 1: 0 / 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