Greater-number-solution-cpp

[khannakshat7]

Resolves Issue #16

Description

Added solution to the problem Greater number in C++

Technical Specifications

C++

Checklist

• [x] Code compiles correctly.
• [x] Changes are tested properly.
• [x] Followed the Contributing guidelines.
• [x] Resolved merge conflicts, if any.

[khannakshat7]

@sravanireddy1102 Please review and merge the PR