Flood Fill
Understand how to apply the flood fill algorithm with backtracking to modify 2D grids. Learn to change pixel colors starting from a given cell and spread updates to adjacent pixels of the same color. This lesson helps you solve common interview problems involving grid traversal and state changes.
We'll cover the following...
We'll cover the following...
Statement
You are given a 2D grid of size m x n, where grid[i][j] represents the pixel value at ...