A better C++ solution for problem 100: Same Tree

[lemorage]

There is an existing solution for Problem 100: Same Tree in C++ (#181), but the provided solution is suboptimal, unclear, and does not adhere to the breadth-first search (BFS) approach as it claimed. I would like to propose an improved solution using depth-first search (DFS) that can be implemented in just three lines of code in C++.

I kindly request that this issue be assigned to me. Problem Link: Problem 100: Same Tree

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