#include<bits/stdc++.h>

using namespace std;

#define debug(x){cout<<"x : "<<x<<endl;}

void printArray(int A[], int size) {

for (auto i = 0; i < size; i++)

cout << A[i] << " ";

}

void mergeSort(int array[], int const begin, int const end) {

if (begin >= end) {

return;

}

auto mid = begin + (end - begin) / 2;

}

int main() {

#ifndef ONLINE_JUDGE

//for getting input from input.txt

freopen("input.txt", "r", stdin);

freopen("output.txt", "w", stdout);

#endif

int arr[] = {12, 11, 13, 5, 6, 7 };

auto arr_size = sizeof(arr) / sizeof(int);

cout << "Given array is \n";

printArray(arr, arr_size);

mergeSort(arr, 0, arr_size - 1);

cout << "\nSorted array is \n";

printArray(arr, arr_size);

return 0;

}