This innocent function brings computers to their knees #shorts

This innocent little function can bring a computer to its knees: Fibonacci, the naive way. Fib(6) needs fib(5) and fib(4); each of those splits again, and again — the same calls computed over and over until the repeats explode.

Now add ONE thing: memory. Solve each call once, store the answer, and every repeat becomes a lookup. The exploding tree collapses into a single clean climb.

That is dynamic programming. Never solve the same problem twice.

Master DP step by step:
https://datarekha.com/dsa/dynamic-programming/

#coding #dynamicprogramming #dsa #algorithms #programming #interviewprep #leetcode #computerscience

Видео This innocent function brings computers to their knees #shorts канала datarekha