Write a function that will multiply every prime number in the array or matrix by two, leaving all other numbers the same, and return that de-primed array or matrix. One will be treated as prime in this problem.
One in not prime!!!
And therefore should not become de-primed.
Given two strings, find the maximum overlap
Who knows the last digit of pi?
letter yes yes & letter no no
Find best placement for ordered dominoes (harder)
CONVERT TAN TO SIN
Is it really a 5?
Stress-Strain Properties - 8
Lights Out 32 - m x n x o, x moves
Lights Out 17 - 5x5, broken buttons III
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