2017年2月16日
Path sum ii
摘要： Problem Statment: Given 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 阅读全文
posted @ 2017-02-16 09:09 蓝色地中海 阅读(146) 评论(0) 推荐(0)
path sum i
摘要： Problem Statement: Path sum i 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 th 阅读全文
posted @ 2017-02-16 09:00 蓝色地中海 阅读(150) 评论(0) 推荐(0)