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Thursday Code Puzzler: Change Calculator

DZone's Guide to

Thursday Code Puzzler: Change Calculator

· Java Zone
Free Resource

Just released, a free O’Reilly book on Reactive Microsystems: The Evolution of Microservices at Scale. Brought to you in partnership with Lightbend.

Thursday is code puzzler day here at DZone. The idea is simple: solve the coding problem as efficiently as you can, in any language or framework that you find suitable.

Note: Even though there really is nothing stopping you from finding a solution to this on the internet, try to keep honest, and come up with your own answer.  It's all about the participation!

Do you have code puzzlers that you'd like to share with the DZone community?  If so, please submit here. 

Determine the minimum number of coins for change

Given any number between 1 and 99, determine how to give change with the minimum number of coins. You can assume that the coins are 1c, 2c, 5c, 10c, 20c and 50c.


Catch up on all our previous puzzlers here.

 

Strategies and techniques for building scalable and resilient microservices to refactor a monolithic application step-by-step, a free O'Reilly book. Brought to you in partnership with Lightbend.

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