Problem With Strings

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Today, we will be unraveling the mysteries of one of the most twisted and curly beasts in all existence knots! The problem here is simple: given the picture of a string laid out curled on a table, you are to determine if it will curl up into a knot when the ends are pulled out. ............... ...+------+.... ...|......|.... ...|...+--H---- ...|...|..|.... ---I---H--+.... ...|...|....... ...+---+

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solution.cppC++17

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