Decrypt Polybius square. Please refer to Problem 1150 Polybius Square.
input [13 33 14 51] output 'cody';
input [23 0 26 33 44 15 0 31 11 42 26 11 12] returns 'i love matlab'.
surface of a spherical planet
Snakes on a plane
Is the paranthesis sequence balanced ?
Is the input divisible by 3?
Challenging perms function!
Go back n times
Repeat string n times
String permutations on phone keyboard
Calculate trends in time series
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