Submission #377338

#	Time	Username	Problem	Language	Result	Execution time	Memory
377338		autumn_eel	Carnival Tickets (IOI20_tickets)	C++14	11 / 100	2 ms	748 KiB

tickets

#include "tickets.h"

#include <bits/stdc++.h>
#define rep(i,n)for(int i=0;i<(n);i++)
using namespace std;
typedef long long ll;

long long find_maximum(int k, std::vector<std::vector<int>> x) {
	int n = x.size();
	int m = x[0].size();

	vector<vector<int>>answer(n,vector<int>(m));

	vector<int>v;
	rep(i,n){
		rep(j,m){
			answer[i][j]=0;
			v.push_back(x[i][j]);
		}
	}

	sort(v.begin(),v.end());
	int med=v[v.size()/2];

	ll ans=0;
	rep(i,v.size()){
		ans+=abs(v[i]-med);
	}
	allocate_tickets(answer);
	return ans;
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:4:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    4 | #define rep(i,n)for(int i=0;i<(n);i++)
      |                              ^
tickets.cpp:26:2: note: in expansion of macro 'rep'
   26 |  rep(i,v.size()){
      |  ^~~

• 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