Executive function describes a set of cognitive processes and mental skills that help an individual plan, monitor, and successfully execute their goals. The “executive functions,” as they’re known, ...

A personal library of fast and reusable C++ functions designed to simplify and speed up problem-solving during contests. Built for efficiency, clarity, and quick access to commonly needed tools.

The vectfit function approximates a response (generally a vector) with a rational function: where and are poles and residues in the complex plane and are the polynomial coefficients. When is a vector, ...