Submission #303602

#	Time	Username	Problem	Language	Result	Execution time	Memory
303602		medmdg	Carnival Tickets (IOI20_tickets)	C++14	Compilation error	0 ms	0 KiB

tickets

#include <bits/stdc++.h>
#include "tickets.h"
using namespace std;
unsigned long long int fin(vector<vector<int> > a,int n,int m,int k){
    unsigned long long int ans=0;
    for(int i=0;i<n;i++){
        int mid=0;
        for(int j=0;j<m;j++){
            mid+=a[i][j];
        }
        mid/=m;
        int ff=0;
        for(int j=0;j<m;j++){
            if(abs(ff-mid)>abs(a[i][j]-mid)){
                ff=a[i][j];
            }
        }
        for(int j=0;j<m;j++){
            ans+=abs(ff-a[i][j]);
        }
    }
    return ans;
}
unsigned 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:24:24: error: ambiguating new declaration of 'long long unsigned int find_maximum(int, std::vector<std::vector<int> >)'
   24 | unsigned long long int find_maximum(int k, vector<vector<int> > x){
      |                        ^~~~~~~~~~~~
In file included from tickets.cpp:2:
tickets.h:3:11: note: old declaration 'long long int find_maximum(int, std::vector<std::vector<int> >)'
    3 | long long find_maximum(int k, std::vector<std::vector<int>> d);
      |           ^~~~~~~~~~~~
tickets.cpp: In function 'long long unsigned int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:37:1: warning: control reaches end of non-void function [-Wreturn-type]
   37 | }
      | ^