Too bad this problem number has a '5' in it! :-)
Ha Ha! six is the new 5!
Any suggestions on my brute force method?
sorry, I added a couple of test cases to discourage this sort of solutions
Determine if a Given Number is a Triangle Number
First non-zero element in each column
Sum of diagonal of a square matrix
Split a string into chunks of specified length
Sum the 'edge' values of a matrix
Fastest shortest-path-finder in the west
Knave in the middle attack
love is an n-letter word
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