Update Sort_Array_zero_one_two.cpp

[saiteja-2731]

Fixes #

Checklist:

• [] 4 space indentation.
• [] Coding conventions are followed.
• [] Input is taken dynamically.
• [] Sample Input / Output is added at the end of file.
• [] Logic Documentation (Comments).
• [] File names are correct.

Make sure these boxes are checked before your pull request (PR) is ready to be reviewed and merged. Thanks!

Changes proposed in this pull request:

• Modified the algorithm used

Languages Used:

• C++

Files Added:

• No files were added

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