Submission #331625

#	Time	Username	Problem	Language	Result	Execution time	Memory
331625		pggp	Carnival Tickets (IOI20_tickets)	C++14	11 / 100	2 ms	748 KiB

tickets

#include <bits/stdc++.h>
#include "tickets.h"

using namespace std;

void allocate_tickets(vector < vector < int > > s);

long long find_maximum(int k, vector < vector < int > > x){
	vector < vector < int > > to_allocate;

	vector < int > v;
	for(vector < int > t : x){
		vector < int > a;
		to_allocate.push_back(a);
		for(int i : t){
			to_allocate[to_allocate.size() - 1].push_back(0);
			v.push_back(i);
		}
	}
	allocate_tickets(to_allocate);
	sort(v.begin(), v.end());
	long long ans = 0;
	for (int i = 0; i < v.size(); ++i)
	{
		if(i < v.size() / 2){
			ans -= v[i];
		}
		else{
			ans += v[i];
		}
	}
	return ans;
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |  for (int i = 0; i < v.size(); ++i)
      |                  ~~^~~~~~~~~~
tickets.cpp:25:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |   if(i < v.size() / 2){
      |      ~~^~~~~~~~~~~~~~

• 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