Claus Number

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It's Christmas time, so Santa Claus is coming to WonderLand to give gifts to children. The city of WonderLand has a total of $N$ children. A number is called Claus number if it obeys the following rules : - The number of digits of the number must be even - Alternating digits of the number must be the same Some examples of Claus numbers are 1212, 3333, 98989898 and 57. Santa Claus wants to

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solution.cppC++17

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