Largest Connected Component Area

Problem

Find the area of the largest 4-connected component of 1-valued pixels in a binary mask.

Return 0 when there are no 1 pixels.

case 1

in: [[[1,1,0],[0,1,0],[1,0,0]]]

expected: 3

case 2

in: [[[1,0],[0,1]]]

expected: 1

case 3

in: [[[0,0],[0,0]]]

expected: 0

case 4

in: [[[1,1,1],[1,1,1]]]

expected: 6

Starter codePython

def largest_component_area(mask):
    # Your code here
    pass

4 test cases · run your code against them in the editor