HacktoberFest2021
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Dedicated to hactoberFest2021
please accept my pr
This is cpp code for longest substring without repetition : for ex: 1 2 2 3 4 5 2 1 so the longest substring is 34521
Note: This will only work in windows as I have included windows.h library to make beep sounds when user enters wrong pin number.
A simple Python code to calculate simple arithmetic operation
Would like to contribute to go. Introducing basic concepts with the help of program. Can you assign this to me?
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