Submission #588571

#	Time	Username	Problem	Language	Result	Execution time	Memory
588571		LIF	Carnival Tickets (IOI20_tickets)	C++14	0 / 100	1 ms	340 KiB

tickets

#include "tickets.h"
#include <vector>
#include<bits/stdc++.h>
using namespace std;
bool cmp(int x,int y)
{
	return x<y;
}
long long find_maximum(int k, std::vector<std::vector<int> > x) {
	int xx = x[0][0];
	int mm = x[0].size(); //find the m;
	int n = x.size();
	vector< vector<int> > s;
	int sum =0;
	if(mm==1)
	{
		for(int i=0;i<n;i++)
		{
			vector<int> q;
			q.push_back(0);
			s.push_back(q);
		}
		
		int a[20005];
		for(int i=0;i<n;i++)
		{
			a[i] = x[i][0];
		}
		sort(a,a+n);
		int ans = a[n/2-1]+a[n/2];
		ans /=2;
		
		for(int i=0;i<n;i++)
		{
			sum += abs(ans - a[i]);
		}
		
	}
	allocate_tickets(s);
	return sum;
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:10:6: warning: unused variable 'xx' [-Wunused-variable]
   10 |  int xx = x[0][0];
      |      ^~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 16
• Subtask 3: 0 / 14
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• Subtask 7: 0 / 10