LeetCode
Experience
#2791 Count Paths That Can Form a Palindrome in a Tree
Interview Experience
LeetCode #2791: Count Paths That Can Form a Palindrome in a Tree. Difficulty: Hard. Topics: Hash Table, Bit Manipulation, Tree, Depth-First Search. Asked at Uber in the last 6 months.
Original Source
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Depth-First Search
Tree
Bit Manipulation
Graph
Hash Table
Strings