AlgorithmsThatRunTheWorld

Day 1: Binary Search — The Art of Finding a Needle in a Haystack

Imagine you are looking for the word "Magic" in a physical dictionary. Would you start at page one and read every word until you hit the 'M's? Of course not. You’d open the book to the middle. If you see "Queen," you know "Magic" is in the left half. You've just eliminated 500 pages in a single second. That "divide and conquer" instinct is exactly how Binary Search works. It is one of the oldest…