Submission #721310

#	Time	Username	Problem	Language	Result	Execution time	Memory
721310		nihaddhuseynli	Carnival Tickets (IOI20_tickets)	C++14	11 / 100	5 ms	6740 KiB

tickets

#include "tickets.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
ll n1,m1,a[1505][1505];

long long find_maximum(int k, std::vector<std::vector<int>> x) {
	int n = x.size();
	int m = x[0].size();
	std::vector<std::vector<int>> answer;
	for (int i = 0; i < n; i++) {
		std::vector<int> row(m);
		for (int j = 0; j < m; j++) {
			if (j < k) {
				row[j] = j;
			} else {
				row[j] = -1;
			}
		}
		answer.push_back(row);
	}
	allocate_tickets(answer);
	ll ans=0,maxx=0;
	for(int i =0;i<n;i++)
	{
		for(int j =0;j<m;j++)
		{
			a[i][j]=x[i][j];
			maxx=max(maxx,(ll)x[i][j]);
		}
	}
	ll sum=0; 
    sort(x.begin(),x.end());
    for(int i=0;i<n/2;i++){
        sum+=x[i][0]; 
    }
    reverse(x.begin(),x.end());	
    ll sum1=0;
    for(int i=0;i<n/2;i++){
        sum1+=x[i][0]; 
    }
	return sum1-sum;
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:24:5: warning: unused variable 'ans' [-Wunused-variable]
   24 |  ll ans=0,maxx=0;
      |     ^~~

• 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