RT @HackerEarth
On Episode 21 of Codexplained, we're going to be tackling the coding problem, "Valid Sudoku".

Nine lives, had the furry feline. Nine were saved by a stitch in time.

Can Codexplained validate nine sets of nine?

Find out: https://www.youtube.com/watch?v=oFTyy9BhYUI

#codexplained #codingproblems