change the signs of the even index entries of the reversed vector
vec = [4 -1 -2 9]
ans = [9 2 -1 -4]
vec = [-4 -1 -2 -9]
ans = [-9 2 -1 4]
The test suite has been expanded.
Find the logic
sum of first 'n' terms
Convert Fahrenheit to Celsius
Remove entire row and column in the matrix containing the input values
Duplicate a character
Insert zeros into vector
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