Persistent oak

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Chef has a huge and beautiful tree in his garden (an oak, not the kind of tree you just thought of), so quite often he just sits inside and looks at this wonderful oak through the window. When observing the tree for a long time Chef sees that even an oak has a life. A bunch of cute green acorns may grow on some branches, which in turn may cause some branches to fall down due to not being able to

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solution.cppC++17

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