Too many clues are given in the Solution Template.
Also, Problem Statement is inconsistent with Test Suite (and Solution Template). It should say: "Create a function that subtracts b from a" (not "a from b").
SHOULD BE SUBSTRACTS b FROM A
The problem description has been updated.
Make a checkerboard matrix
Increment a number, given its digits
Return the first and last characters of a character array
Convert Fahrenheit to Celsius
Sum the 'edge' values of a matrix
nanoseconds passed today
How do you make seven even?
microseconds passed today
calculate the day of the year from a date string.
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