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Good morning! Here's your coding interview problem for today.
This problem was asked by Amazon.
Given a matrix of 1s and 0s, return the number of "islands" in the matrix. A 1 represents land and 0 represents water, so an island is a group of 1s that are neighboring and their perimiter is surrounded by water.
Good morning! Here's your coding interview problem for today.
This problem was asked by Amazon.
Given a matrix of 1s and 0s, return the number of "islands" in the matrix. A 1 represents land and 0 represents water, so an island is a group of 1s that are neighboring and their perimiter is surrounded by water.
For example, this matrix has 4 islands.
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