Submission #1290107

#	Time	Username	Problem	Language	Result	Execution time	Memory
1290107		eri16	Carnival Tickets (IOI20_tickets)	C++20	Compilation error	0 ms	0 KiB

tickets

#include<bits/stdc++.h>
#include "tickets.h"
using namespace std;

long long fnd_ans(long long k,vector<vector<long long>> v,vector<vector<long long>> ans){
    
    vector <long long> vv[k];
    
    long long n=v.size();
    long long m=v[0].size();    
    
    for (int i=0; i<n; i++){
        for (int j=0; j<m; j++){
            if (ans[i][j]!=-1){
                vv[ans[i][j]].push_back(v[i][j]);
            }
        }
    }
    
    long long sm=0,tt;
    
    for (int i=0; i<k; i++){
        tt=vv[i][n/2LL];
        for (int j=0; j<n; j++){
            sm+=abs(tt-vv[i][j]);
        }
    }
    
    return sm;
}


long long find_maximum(long long k, vector<vector<long long>> v){
    
    long long n=v.size();
    long long m=v[0].size();
    
    vector<vector<long long>> ans(n);
    
    if (m==1){
        for (int i=0; i<n; i++){
            ans[i].push_back(0);
        }
    }

    allocate_tickets(ans);
    return fnd_ans(k,v,ans);
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(long long int, std::vector<std::vector<long long int> >)':
tickets.cpp:46:22: error: could not convert 'ans' from 'vector<vector<long long int>>' to 'vector<vector<int>>'
   46 |     allocate_tickets(ans);
      |                      ^~~
      |                      |
      |                      vector<vector<long long int>>