Weird TV remote

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Kiran got a very ancient TV set from her grandfather's attic. When she switched it on, she learnt that the remote controls were very different from the modern TV remotes. To switch to another channel, she needs to bring up virtual keyboard console and press direction keys to write the channel name to go to that channel. The virtual console looks like this : A B C D E F G H I J K L M N O P Q R

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solution.cppC++17

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