Glossary: Algorithms Beyond the Basics in C++

g++ -O2

Also written: -O2, -std=c++20, -Wall -Wextra

Compiler flags: `-std=c++20` selects the language version, `-Wall -Wextra` turn on warnings, and `-O2` optimizes the code; compiled this way, C++ does roughly 10⁸ simple steps a second.