/*
* ```cpp
* ***C++11 Style:***
* #include <chrono>
*
* std::chrono::steady_clock::time_point begin =
* std::chrono::steady_clock::now();
* std::chrono::steady_clock::time_point end =
* std::chrono::steady_clock::now();
*
* std::cout << "Time difference = " <<
* std::chrono::duration_cast<std::chrono::microseconds>(end -
* begin).count() << "[µs]" << std::endl;
* std::cout << "Time difference = " <<
* std::chrono::duration_cast<std::chrono::nanoseconds> (end -
* begin).count() << "[ns]" << std::endl;
* ```
*
* [user3762106] [so/q/2808398] [cc by-sa 3.0]
*/
$
cheat.sh