#include <iostream>
 
 
// Print a single element (use in array version)
template<typename T>
void printArray(T const &e, std::ostream& out = std::cout )
{
    out << e;
}
 
// Print an (nested) array
template<typename T1, size_t arrSize>
void printArray(T1 const(& arr)[arrSize], std::ostream& out = std::cout )
{
    out << "[";
    if ( arrSize )
    {
        const char* sep = "";
        for (const auto& e : arr)
        {
            out << sep;
            printArray(e, out);
            sep = ", ";
        }
    }
    out << "]";
}
 
int arr[5][5];
 
int main()
{
    printArray( arr[0] );
    std::cout << std::endl;
    printArray( arr );
}
 

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