摘要: Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.For example:Given the below binary tree and sum = 22... 阅读全文
posted @ 2017-06-12 23:33 xiejunzhao 阅读(123) 评论(0) 推荐(0)