Tag Archives: coding challenges

Solution to puzzle: Zero rows and columns in an array in C#

This post gives four solutions to Puzzle: Zero rows and columns in an array in C#. If you want to try the puzzle for yourself, see that post before you read this one. This is a fairly long post, but … Continue reading

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Puzzle: Zero rows and columns in an array in C#

This puzzle is given as a coding example in the book Cracking the Coding Interview by Gayle Laakmann McDowell. The puzzle is: Write an algorithm such that if an element in an M x N matrix is 0, its entire … Continue reading

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