Input=aaabbccca output=a4b2c3

Question

how get this results using C,cpp or java

Answer 1

Here's a code I've made:
https://code.sololearn.com/cTJAEndYT2Sh/?ref=app

Answer 2

Remember to... search around the app. We have an entire section dedicated to this assignment. Check the submissions.

https://www.sololearn.com/learn/4615/?ref=app

Answer 3

This one is actually a bit different from the string compression codes because all it does is count the letters. The original string can't be retrieved from the compressed string. In python I would do something like this:

https://code.sololearn.com/caa1godqjsjT/?ref=app

Answer 4

A Python Code, but very close to c++ Syntax:

https://code.sololearn.com/c0YnUxwreWur/?ref=app