LeetCode - 随笔分类(第2页) - Gu Feiyang

LeetCode 117. Populating Next Right Pointers in Each Node II

摘要：题目： Follow up for problem "Populating Next Right Pointers in Each Node". What if the given tree could be any binary tree? Would your previous solution 阅读全文

posted @ 2016-03-18 15:37 Gu Feiyang 阅读(112) 评论(0) 推荐(0)

LeetCode 154. Find Minimum in Rotated Sorted Array II

摘要：Suppose a sorted array is rotated at some pivot unknown to you beforehand. (i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2). Find the minimum element. 阅读全文

posted @ 2016-03-18 13:24 Gu Feiyang 阅读(113) 评论(0) 推荐(0)

Leetcode 312. Burst Balloons

摘要：题意： Given n balloons, indexed from 0 to n-1. Each balloon is painted with a number on it represented by array nums. You are asked to burst all the bal 阅读全文

posted @ 2016-03-17 21:58 Gu Feiyang 阅读(124) 评论(0) 推荐(0)

LeetCode 287. Find the Duplicate Number

摘要：题意： Given an array nums containing n + 1 integers where each integer is between 1 and n (inclusive), prove that at least one duplicate number must exi 阅读全文

posted @ 2016-03-16 23:13 Gu Feiyang 阅读(134) 评论(0) 推荐(0)

146. LRU Cache

摘要：题意： Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and set. get(key) - Get 阅读全文

posted @ 2016-03-15 22:11 Gu Feiyang 阅读(191) 评论(0) 推荐(0)

LeetCode 149. Max Points on a Line 多少个点共线

摘要：题目： Given n points on a 2D plane, find the maximum number of points that lie on the same straight line. 思路：这道题目并不难。暴力枚举其它点与当前点的斜率。复杂度为 O(n^2). 可能是由于阅读全文

posted @ 2016-03-13 17:29 Gu Feiyang 阅读(183) 评论(0) 推荐(0)

Leetcode 127. Word Ladder

摘要：转载请注明出处: http://www.cnblogs.com/gufeiyang 个人微博：flysea_gu 题意： Given two words (beginWord and endWord), and a dictionary's word list, find the length of 阅读全文

posted @ 2016-02-20 17:02 Gu Feiyang 阅读(109) 评论(0) 推荐(0)

LeetCode 21. Merge Two Sorted Lists

摘要：转载请注明出处: http://www.cnblogs.com/gufeiyang 个人微博：flysea_gu 题意： Merge two sorted linked lists and return it as a new list. The new list should be made by 阅读全文

posted @ 2016-02-20 16:06 Gu Feiyang 阅读(334) 评论(0) 推荐(0)

LeetCode 240. Search a 2D Matrix II

摘要：转载请注明出处: http://www.cnblogs.com/gufeiyang 个人微博：flysea_gu 题目描述： Write an efficient algorithm that searches for a value in an m x n matrix. This matrix 阅读全文

posted @ 2016-02-20 15:40 Gu Feiyang 阅读(219) 评论(0) 推荐(0)

Leetcode Rotate Image

摘要：You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?思路：坐标是i,j的元素旋转90坐标变... 阅读全文

posted @ 2015-02-05 13:38 Gu Feiyang 阅读(168) 评论(0) 推荐(0)

大肥羊的算法笔记

随笔分类 - LeetCode