Language
Compiler
Options
Raw runtime options
a
b
c
d
#include<range/v3/all.hpp>
using namespace ranges::view;
auto f = [](int n){auto r=iota(1,n*n+1)|chunk(n);return concat(r|stride(2),r|reverse|drop(n%2)|stride(2));};
#include <iostream>
int main(int argc, char**)
{
std::cout << "N = " << argc << '\n';
auto res = f(argc);
for (auto const& row : res | bounded) {
for (auto const& elem : row | bounded) {
std::cout << elem << ' ';
}
std::cout << '\n';
}
}
$ a b c dN = 5
1 2 3 4 5
11 12 13 14 15
21 22 23 24 25
16 17 18 19 20
6 7 8 9 10
Exit Code:
0