Swiggy Delivery Zone Flood Fill
Swiggy Delivery Zone Flood Fill
EasyGraphs100% accepted
Swiggy marks delivery zones on a 2D grid. Starting from a given cell, change the color of all connected cells (4-directional) with the same original color to a new color (flood fill).
Approach
Flood fill a 2D grid from a starting cell changing all connected same-color cells.
Input
3 3
1 1 1
1 1 0
1 0 1
1 1 2
Output
[[2,2,2],[2,2,0],[2,0,1]]
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