Technically, L1 & L2 are line segments, and L3 & L4 are polylines.
Back and Forth Rows
It dseon't mettar waht oedrr the lrettes in a wrod are.
sum of non-primes
frame of the matrix
Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
How long is the longest prime diagonal?
MatCAT - Reconstruct X from Its X-rays
How Many Months Until It's Today Again?
Find a subset that divides the vector into equal halves
The 17x17 Problem
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