Need a test case with a 0 on the chosen diagonal.
Agree with Jon's comment that the matrix should contain 0 elements
so simple that it never occurred to me
Distance walked 2D
Project Euler: Problem 10, Sum of Primes
Find best placement for ordered dominoes (harder)
Stuff the Board
Beginner's Problem - Squaring
BLOCK x3 (Version 1)
Add more zeros
Decrypt the cypher using XOR encryption (for beginners)
Expression or variable?
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