Most frequently asked Cody problem.
Which doors are open?
Test for balanced parentheses
Change the sign of even index entries of the reversed vector
Determine the number of odd integers in a vector
The sum of the numbers in the vector
Find out rooms, peak to peak, average for a square wave.
Find out the Gray Code for a Given Binary Number
MATLAB Basic: rounding II
Find out Binomial coefficient
Replace odd number in given matrix by zero
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