Best Time To Buy And Sell Stock
Best Time To Buy And Sell Stock: You are given an array prices where prices[i] is the price of a given stock on the ith day.
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Diameter of Binary Tree
Diameter of Binary Tree: Given the root of a binary tree, return the length of the diameter of the tree.
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Path Sum
Path Sum: Given the root of a binary tree and an integer targetSum, return true if the tree has a root-to-leaf path such that adding up all the values along…
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Maximum Depth of Binary Tree
Maximum Depth of Binary Tree: Given the root of a binary tree, return its maximum depth.
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Merge Two Binary Trees
Merge Two Binary Trees: You are given two binary trees root1 and root2.
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Subtree of Another Tree
Subtree of Another Tree: Given the roots of two binary trees root and subRoot, return true if there is a subtree of root with the same structure and node values…