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Actually in a real world this code just works for one time in an execution. If this method called more than once in one execution for the next call count will be a minus number because of its static behaviour. And top_view never give the left side of the tree. So this solution just for the hackerrank test.
Tree : Top View
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Actually in a real world this code just works for one time in an execution. If this method called more than once in one execution for the next call count will be a minus number because of its static behaviour. And top_view never give the left side of the tree. So this solution just for the hackerrank test.