check-if-two-expression-trees-are-equivalent

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1612. Check If Two Expression Trees are Equivalent (Medium)

Related Topics

[Tree] [Depth-First Search] [Binary Tree]

Similar Questions

1. Build Binary Expression Tree From Infix Expression (Hard)

Hints

Hint 1

Count for each variable how many times it appeared in the first tree.

Hint 2

Do the same for the second tree and check if the count is the same for both tree.