Submission #1300051

#	Time	Username	Problem	Language	Result	Execution time	Memory
1300051		opeleklanos	Carnival Tickets (IOI20_tickets)	C++20	Compilation error	0 ms	0 KiB

tickets

#include <iostream>
#include <algorithm>
#include <vector>
#include "tickets.h"
using namespace std;

#define ll long long


ll find_maximum(int k, vector<vector<int>> x){
    ll n = x.size();
    ll m = x[0].size();
    if(m == 1){
        sort(x.begin(), x.end());
        ll ans = 0;
        for(ll i = 0; i<n/2; i++) ans -= x[i][0];
        for(ll i = n/2; i<n; i++) ans += x[i][0];
        vector<vector<ll>> arr(n, vector<ll>(1, 0));
        allocate_tickets(arr);
        return ans;
    }
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:19:26: error: could not convert 'arr' from 'vector<vector<long long int>>' to 'vector<vector<int>>'
   19 |         allocate_tickets(arr);
      |                          ^~~
      |                          |
      |                          vector<vector<long long int>>
tickets.cpp:22:1: warning: control reaches end of non-void function [-Wreturn-type]
   22 | }
      | ^