You don't need to read input or print anything. Your task is to complete the function dupSub() which takes root of the tree as the only argument and returns 1 if the binary tree contains a duplicate ...

Given the roots of two binary trees `root` and `subRoot`, return `true` if there is a subtree of `root` with the same structure and node values of `subRoot` and `false` otherwise. A subtree of a ...