Timo66

摘要： Sum Root to Leaf NumbersGiven a binary tree containing digits from0-9only, each root-to-leaf path could represent a number.An example is the root-to-l... 阅读全文

摘要： Path Sum IIGiven a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.For example:Given the below binary tr... 阅读全文

摘要： Minimum Depth of Binary TreeGiven a binary tree, find its minimum depth.The minimum depth is the number of nodes along the shortest path from the root... 阅读全文

摘要： Balanced Binary TreeGiven a binary tree, determine if it is height-balanced.For this problem, a height-balanced binary tree is defined as a binary tre... 阅读全文

摘要： Maximum Depth of Binary Tree (DFS, TREE)Given a binary tree, find its maximum depth.The maximum depth is the number of nodes along the longest path fr... 阅读全文