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Problems with tag Tree

259 found, showing 60 to 90

3

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Count Good Nodes in Binary Tree ->

Medium, #1448, 2 solutions

Count Good Triplets in an Array ->

Hard, #2179, 2 solutions

Count Nodes Equal to Average of Subtree ->

Medium, #2265, 2 solutions

Count Nodes Equal to Sum of Descendants ->

Medium, #1973, 2 solutions

Count Nodes That Are Great Enough ->

Hard, #2792, 2 solutions

Count Number of Possible Root Nodes ->

Hard, #2581, 2 solutions

Count of Smaller Numbers After Self ->

Hard, #315, 3 solutions

Count Pairs of Connectable Servers in a Weighted Tree Network ->

Medium, #3067, 2 solutions

Count Paths That Can Form a Palindrome in a Tree ->

Hard, #2791, 2 solutions

Count Subtrees With Max Distance Between Cities ->

Hard, #1617, 2 solutions

Count Univalue Subtrees ->

Medium, #250, 2 solutions

Count Valid Paths in a Tree ->

Hard, #2867, 2 solutions

Count Ways to Build Rooms in an Ant Colony ->

Hard, #1916, 2 solutions

Cousins in Binary Tree II ->

Medium, #2641, 2 solutions

Cousins in Binary Tree ->

Easy, #993, 3 solutions

Count Nodes With the Highest Score ->

Medium, #2049, 2 solutions

Create Binary Tree From Descriptions ->

Medium, #2196, 2 solutions

Create Components With Same Value ->

Hard, #2440, 2 solutions

Create Sorted Array through Instructions ->

Hard, #1649, 2 solutions

Deepest Leaves Sum ->

Medium, #1302, 2 solutions

Delete Duplicate Folders in System ->

Hard, #1948, 2 solutions

Delete Leaves With a Given Value ->

Medium, #1325, 2 solutions

Delete Node in a BST ->

Medium, #450, 3 solutions

Delete Nodes And Return Forest ->

Medium, #1110, 2 solutions

Delete Tree Nodes ->

Medium, #1273, 2 solutions

Depth of BST Given Insertion Order ->

Medium, #1902, 2 solutions

Design an Expression Tree With Evaluate Function ->

Medium, #1628, 2 solutions

Diameter of Binary Tree ->

Easy, #543, 5 solutions

Diameter of N-Ary Tree ->

Medium, #1522, 2 solutions

Cycle Length Queries in a Tree ->

Hard, #2509, 2 solutions