Search
⌘K
Get Premium
Leetcode 257. Binary Tree Paths
Return all root-to-leaf paths of a binary tree as strings like "1->2->5"; this requires a simple DFS/backtracking traversal to build each path from root to leaf.
Asked at:
J
justworks
Bloomberg
Question Timeline
See when this question was last asked and where, including any notes left by other candidates.
All Regions
Late July, 2025
J
justworks
Senior
Mid March, 2025
Bloomberg
Senior
Given a binary tree with distinct nodes(no two nodes have the same data values). The problem is to print the path from root to a given node x. If node x is not present then print “No Path”. Examples: Input : 1 / \ 2 3 / \ / \ 4 5 6 7 x = 5 Output : 1->2->5
Comments
Hello Interview Premium
Your account is free and you can post anonymously if you choose.