_Zlrrr - 博客园

2018年12月17日

#Leetcode# 230. Kth Smallest Element in a BST

摘要： https://leetcode.com/problems/kth-smallest-element-in-a-bst/ Given a binary search tree, write a function kthSmallest to find the kth smallest element 阅读全文

posted @ 2018-12-17 18:18 _Zlrrr 阅读(146) 评论(0) 推荐(0)

#Leetcode# 102. Binary Tree Level Order Traversal

摘要： https://leetcode.com/problems/binary-tree-level-order-traversal/ Given a binary tree, return the level order traversal of its nodes' values. (ie, from 阅读全文

posted @ 2018-12-17 18:16 _Zlrrr 阅读(115) 评论(0) 推荐(0)

#Leetcode# 199. Binary Tree Right Side View

摘要： https://leetcode.com/problems/binary-tree-right-side-view/ Given a binary tree, imagine yourself standing on the right side of it, return the values o 阅读全文

posted @ 2018-12-17 18:13 _Zlrrr 阅读(156) 评论(0) 推荐(0)

2018年12月14日

#Leetcode# 515. Find Largest Value in Each Tree Row

摘要： https://leetcode.com/problems/find-largest-value-in-each-tree-row/ You need to find the largest value in each row of a binary tree. Example: 代码：今天是不吃阅读全文

posted @ 2018-12-14 22:45 _Zlrrr 阅读(144) 评论(0) 推荐(0)

#Leetcode# 144. Binary Tree Preorder Traversal

摘要： https://leetcode.com/problems/binary-tree-preorder-traversal/ Given a binary tree, return the preorder traversal of its nodes' values. Example: Follow 阅读全文

posted @ 2018-12-14 20:49 _Zlrrr 阅读(125) 评论(0) 推荐(0)

PAT 甲级 1048 Find Coins

摘要： https://pintia.cn/problem-sets/994805342720868352/problems/994805432256675840 Eva loves to collect coins from all over the universe, including some ot 阅读全文

posted @ 2018-12-14 14:12 _Zlrrr 阅读(307) 评论(0) 推荐(0)

PAT 甲级 1032 Sharing

摘要： https://pintia.cn/problem-sets/994805342720868352/problems/994805460652113920 To store English words, one method is to use linked lists and store a wo 阅读全文

posted @ 2018-12-14 13:16 _Zlrrr 阅读(420) 评论(0) 推荐(0)

#Leetcode# 257. Binary Tree Paths

摘要： https://leetcode.com/problems/binary-tree-paths/ Given a binary tree, return all root-to-leaf paths. Note: A leaf is a node with no children. Example: 阅读全文

posted @ 2018-12-14 10:15 _Zlrrr 阅读(104) 评论(0) 推荐(0)

#Leetcode# 111. Minimum Depth of Binary Tree

摘要： https://leetcode.com/problems/minimum-depth-of-binary-tree/ Given a binary tree, find its minimum depth. The minimum depth is the number of nodes alon 阅读全文

posted @ 2018-12-14 09:37 _Zlrrr 阅读(118) 评论(0) 推荐(0)

2018年12月13日

#Leetcode# 110. Balanced Binary Tree

摘要： https://leetcode.com/problems/balanced-binary-tree/ Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binar 阅读全文

posted @ 2018-12-13 22:13 _Zlrrr 阅读(171) 评论(0) 推荐(0)

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