[CPP]Climb_stairs_reethikprasad.cpp

[reethikprasad]

• [x] Code is added in right directory(Folder).
• [x] Brief Description of Solution is given.
• [x] Time and Space Complexity is mentioned
• [x] Code is well indented.
• [x] Comments are clearly written wherever necessary
• [x] Code is successfully compiled and passes all test cases.

[anjali1903]

Make the changes please.

[reethikprasad]

@anjali1903 I have made all the changes and created new PR, please check