#include <iostream>
#include <iomanip>

using namespace std;

template < class C >
void show(const C& cont, size_t n = 25, const char* del = " ")
{
    size_t i = 1;
    for (auto  val : cont) {
        std::cout << val << del;
        if (!(i % n))  std::cout <<'\n';
        ++i;
    }
}

int main(int argc, const char * argv[])
{
    int a[] = { 1,2,3,4,5,6,7,8,9,10 };
    show(a,5);
}