Submission #431133

#	Time	Username	Problem	Language	Result	Execution time	Memory
431133		A_D	Carnival Tickets (IOI20_tickets)	C++14	0 / 100	1 ms	204 KiB

tickets

#include "tickets.h"
#include <bits/stdc++.h>
using namespace std;
long long find_maximum(int k,vector<vector<int>>x){
	vector<vector<int>> ans;
	vector<int> vec;
	for(int i=0;i<x.size();i++){
        vec.push_back(0);
	}
	ans.push_back(vec);
	allocate_tickets(ans);
	vec.clear();
	for(int i=0;i<x.size();i++){
        vec.push_back(x[i][0]);
	}
	sort(vec.begin(),vec.end());
	int sz=x.size();
	long long ann=0;
	for(int i=0;i<sz/2;i++){
        ann-=vec[i];
	}
	for(int i=sz;i<vec.size();i++){
        ann+=vec[i];
	}
	return ann;
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:7:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |  for(int i=0;i<x.size();i++){
      |              ~^~~~~~~~~
tickets.cpp:13:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |  for(int i=0;i<x.size();i++){
      |              ~^~~~~~~~~
tickets.cpp:22:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |  for(int i=sz;i<vec.size();i++){
      |               ~^~~~~~~~~~~

• 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