task

#include <iostream>

const int size{ 5 };
int arr[size]{ 1,2,3,4,5 };

int arr1[size-2]{};

int* arrBegin{ arr };
int* arrEnd{ arr + size };

int* arr1Begin{ arr1 };
int* arr1End{ arr1 + size };


template <typename T>
int copy_if(T* srcB, T* srcE, T* destB, T* destE, bool(*pred)(T& elem))
{

}