fatttcat

2018年12月28日

摘要： Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binary tree is defined as: a binary tree in which the dep 阅读全文

posted @ 2018-12-28 10:54 fatttcat 阅读(97) 评论(0) 推荐(0) 编辑

101. Symmetric Tree - Easy

摘要： Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binary tree [1,2,2,3,4,4,3] is symmet 阅读全文

posted @ 2018-12-28 09:38 fatttcat 阅读(100) 评论(0) 推荐(0) 编辑

617. Merge Two Binary Trees - Easy

摘要： Given two binary trees and imagine that when you put one of them to cover the other, some nodes of the two trees are overlapped while the others are n 阅读全文

posted @ 2018-12-28 09:07 fatttcat 阅读(113) 评论(0) 推荐(0) 编辑

2018年12月27日

35. Search Insert Position - Easy

摘要： Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in or 阅读全文

posted @ 2018-12-27 19:00 fatttcat 阅读(100) 评论(0) 推荐(0) 编辑

708. Insert into a Cyclic Sorted List - Medium

摘要： Given a node from a cyclic linked list which is sorted in ascending order, write a function to insert a value into the list such that it remains a cyc 阅读全文

posted @ 2018-12-27 18:43 fatttcat 阅读(130) 评论(0) 推荐(0) 编辑

725. Split Linked List in Parts - Medium

摘要： Given a (singly) linked list with head node root, write a function to split the linked list into k consecutive linked list "parts". The length of each 阅读全文

posted @ 2018-12-27 16:35 fatttcat 阅读(142) 评论(0) 推荐(0) 编辑

369. Plus One Linked List - Medium

摘要： Given a non-negative integer represented as non-empty a singly linked list of digits, plus one to the integer. You may assume the integer do not conta 阅读全文

posted @ 2018-12-27 16:14 fatttcat 阅读(99) 评论(0) 推荐(0) 编辑

147. Insertion Sort List - Medium

摘要： Sort a linked list using insertion sort. A graphical example of insertion sort. The partial sorted list (black) initially contains only the first elem 阅读全文

posted @ 2018-12-27 15:57 fatttcat 阅读(135) 评论(0) 推荐(0) 编辑

817. Linked List Components - Medium

摘要： We are given head, the head node of a linked list containing unique integer values. We are also given the list G, a subset of the values in the linked 阅读全文

posted @ 2018-12-27 15:15 fatttcat 阅读(106) 评论(0) 推荐(0) 编辑

61. Rotate List - Medium

摘要： Given a linked list, rotate the list to the right by k places, where k is non-negative. Example 1: Example 2: time: O(n), space: O(1) 阅读全文

posted @ 2018-12-27 14:49 fatttcat 阅读(95) 评论(0) 推荐(0) 编辑

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