Change in Lua
Correctly determine change to be given using the least number of coins
exercism fetch lua change
Correctly determine the fewest number of coins to be given to a customer such that the sum of the coins' value would equal the correct amount of change.
- An input of 15 with [1, 5, 10, 25, 100] should return one nickel (5) and one dime (10) or [0, 1, 1, 0, 0]
- An input of 40 with [1, 5, 10, 25, 100] should return one nickel (5) and one dime (10) and one quarter (25) or [0, 1, 1, 1, 0]
- Does your algorithm work for any given set of coins?
- Can you ask for negative change?
- Can you ask for a change value smaller than the smallest coin value?
Running the tests
To run the tests, run the command
busted from within the exercise directory.
For more detailed information about the Lua track, including how to get help if you're having trouble, please visit the exercism.io Lua language page.
Software Craftsmanship - Coin Change Kata https://web.archive.org/web/20130115115225/http://craftsmanship.sv.cmu.edu:80/exercises/coin-change-kata
Submitting Incomplete Solutions
It's possible to submit an incomplete solution so you can see how others have completed the exercise.