Chef Birthday

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Chef has Birthday on 4th April. Of course! chef's date of Birth has such a lot of properties, like: 1. It is also the smallest Smith number; 2. The smallest non-cyclic group has four elements; - Four is the maximal degree of the equation that can be solved in radicals; - There is four-color theorem that states that any map can be colored in no more than four colors in such a way that no

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solution.cppC++17

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