Change Directory

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Chef started using Linux a few days back. He is now learning how to use various Linux commands by executing them on command line. One day, while he was learning how to change the current working folder by using the $cd$ command. The syntax of using the $cd$ command is :- `cd folder_name`. Linux provides an auto-completion feature. One has to press $Tab$ $↹$ key to use it. There are **4 case

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solution.cppC++17

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