Leetcode Problem 733. Flood Fill

733. Flood Fill

Leetcode Solutions

Store the original color of the starting pixel (sr, sc).
Define a recursive function dfs that takes the current coordinates of the pixel.
In the dfs function, check if the current pixel is out of bounds or not the original color; if so, return.
Change the color of the current pixel to the new color.
Recursively call dfs for the 4-directionally adjacent pixels (up, down, left, right).
Invoke the dfs function starting from (sr, sc).
Return the modified image.

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