Submission #384348

#	Time	Username	Problem	Language	Result	Execution time	Memory
384348		REALITYNB	Carnival Tickets (IOI20_tickets)	C++14	Compilation error	0 ms	0 KiB

tickets

#include "tickets.h"
#include <bits/stdc++.h> 
#define pb push_back 
#define all(a) a.begin(),a.end()
#define int long long 
using namespace std; 

long long find_maximum(int k, vector<vector<int>> a) {
	int n = a.size();
	int m = a[0].size();
	vector<vector<int>> answer(n,vector<int>(m,-1)); 
    int res =0 ; 
    if(m==1){
        vector<int> b ; 
        for(auto x : a) for(int y : x) b.pb(y) ; 
        sort(all(b)) ; 
        int median = b[n/2]; 
        for(int&x:b) res+=abs(x-median) ;  
        for(int i=0;i<n;i++) answer[i][0]=0; 
    }

	allocate_tickets(answer);
	return res;
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(long long int, std::vector<std::vector<long long int> >)':
tickets.cpp:22:19: error: could not convert 'answer' from 'vector<vector<long long int>>' to 'vector<vector<int>>'
   22 |  allocate_tickets(answer);
      |                   ^~~~~~
      |                   |
      |                   vector<vector<long long int>>