Submission #303619

#	Time	Username	Problem	Language	Result	Execution time	Memory
303619		medmdg	Carnival Tickets (IOI20_tickets)	C++14	Compilation error	0 ms	0 KiB

tickets

#include <bits/stdc++.h>
#include "tickets.h"
using namespace std;
long long int fin(vector<vector<int> > a,int n,int m,int k){
     long long int ans=0;
    for(int i=0;i<n;i++){
        double mid=0;
        for(int j=0;j<m;j++){
            mid+=a[i][j];
        }
        mid/=m;
        long long int ff=m[i][m/2];
        for(int j=0;j<m;j++){
            ans+=(long long int)(abs(ff-a[i][j]));
        }
    }
    return ans;
}
long long int find_maximum(int k, vector<vector<int> > x){
    int n=x.size();
    int m=x[0].size();
    if(m==1){
        vector<vector<int> > ans(n);
        vector<vector<int> > answ(k);
        for(int i=0;i<n;i++){
            ans[i].push_back(0);
            answ[0].push_back(x[i][0]);
        }
            allocate_tickets(ans);
            return fin(answ,k,n,k);
    }
}

Compilation message (stderr)

tickets.cpp: In function 'long long int fin(std::vector<std::vector<int> >, int, int, int)':
tickets.cpp:12:29: error: invalid types 'int[int]' for array subscript
   12 |         long long int ff=m[i][m/2];
      |                             ^
tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:32:1: warning: control reaches end of non-void function [-Wreturn-type]
   32 | }
      | ^