Problem description says the input can be a 9x9 matrix, but the test suite gives a 3x3 instead.
No 3x3 matrix in the description
3x3 for test
The second test case of matrix is not required..that never happens with sudoku. Only rows and columns should be inputs.
I've always wanted to create an algorithm to solve sudoku
neat & quick
This is really smart!
Looking at the test cases first will save lots of complications
Distance walked 3D
Column norms of a matrix
How long is the longest prime diagonal?
Number of digits in an integer
Triangle Numbers Below N
Give the Shortest Path Through The Maze
Right Triangle Side Lengths (Inspired by Project Euler Problem 39)
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