Chef and the Lift

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Chef has recently changed his apartment and has now shifted in an apartment block with 100 floors numbered from 0 to 99. The apartment has an elevator with a digital counter showing the floor that the elevator is currently on. The elevator shows each digit of a number with 7 light sticks by turning them on or off. The picture below shows how the elevator shows each digit. One day when Chef wanted

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solution.cppC++17

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