#include <iostream>
#include <complex>
int main()
{
using namespace std::complex_literals;
std::complex<double> matrix[2][2] =
{{ 1.0 + 0i, 0.0 + 1i},
{-1.0 + 0i, 0.0 - 1i}};
for(const auto& row: matrix) {
for(const auto& c: row)
std::cout << c << ' ';
std::cout << '\n';
}
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8Y29tcGxleD4KCmludCBtYWluKCkgCnsKCXVzaW5nIG5hbWVzcGFjZSBzdGQ6OmNvbXBsZXhfbGl0ZXJhbHM7CglzdGQ6OmNvbXBsZXg8ZG91YmxlPiBtYXRyaXhbMl1bMl0gPSAKCSAgICB7eyAxLjAgKyAwaSwgMC4wICsgMWl9LCAKCSAgICAgey0xLjAgKyAwaSwgMC4wIC0gMWl9fTsKCWZvcihjb25zdCBhdXRvJiByb3c6IG1hdHJpeCkgewoJCWZvcihjb25zdCBhdXRvJiBjOiByb3cpCgkJCXN0ZDo6Y291dCA8PCBjIDw8ICcgJzsKCQlzdGQ6OmNvdXQgPDwgJ1xuJzsKCX0KfQ==