LeetCode - 随笔分类(第48页) - Grandyang

[LeetCode] 163. Missing Ranges 缺失区间

摘要：Given a sorted integer array nums, where the range of elements are in the inclusive range [lower, upper], return its missing ranges. Example: Input: n 阅读全文

posted @ 2016-02-08 07:21 Grandyang 阅读(16411) 评论(3) 推荐(2)

[LeetCode] 161. One Edit Distance 一个编辑距离

摘要：Given two strings s and t, determine if they are both one edit distance apart. Note: There are 3 possiblities to satisify one edit distance apart: Exa 阅读全文

posted @ 2016-02-07 14:34 Grandyang 阅读(17153) 评论(6) 推荐(0)

[LeetCode] 170. Two Sum III - Data structure design 两数之和之三 - 数据结构设计

摘要：Design and implement a TwoSum class. It should support the following operations: add and find. add - Add the number to an internal data structure.find 阅读全文

posted @ 2016-02-06 15:46 Grandyang 阅读(16159) 评论(6) 推荐(0)

[LeetCode] Reconstruct Itinerary 重建行程单

摘要：Given a list of airline tickets represented by pairs of departure and arrival airports [from, to], reconstruct the itinerary in order. All of the tick 阅读全文

posted @ 2016-02-05 15:22 Grandyang 阅读(21321) 评论(11) 推荐(0)

[LeetCode] 158. Read N Characters Given Read4 II - Call multiple times 用Read4来读取N个字符之二 - 多次调用

摘要：Given a file and assume that you can only read the file using a given method read4, implement a method read to read n characters. Your method read may 阅读全文

posted @ 2016-02-04 15:09 Grandyang 阅读(16809) 评论(10) 推荐(0)

[LeetCode] 280. Wiggle Sort 摆动排序

摘要：Given an unsorted array nums, reorder it in-place such that nums[0] <= nums[1] >= nums[2] <= nums[3].... Example: Input: nums = [3,5,2,1,6,4] Output: 阅读全文

posted @ 2016-02-02 13:22 Grandyang 阅读(22046) 评论(0) 推荐(0)

[LeetCode] Verify Preorder Serialization of a Binary Tree 验证二叉树的先序序列化

摘要：One way to serialize a binary tree is to use pre-order traversal. When we encounter a non-null node, we record the node's value. If it is a null node, 阅读全文

posted @ 2016-02-01 10:52 Grandyang 阅读(11452) 评论(5) 推荐(0)

[LeetCode] 157. Read N Characters Given Read4 用Read4来读取N个字符

摘要：Given a file and assume that you can only read the file using a given method read4, implement a method to read n characters. Method read4: The API rea 阅读全文

posted @ 2016-02-01 02:54 Grandyang 阅读(18190) 评论(2) 推荐(0)

[LeetCode] 156. Binary Tree Upside Down 二叉树的上下颠倒

摘要：Given a binary tree where all the right nodes are either leaf nodes with a sibling (a left node that shares the same parent node) or empty, flip it up 阅读全文

posted @ 2016-01-31 08:59 Grandyang 阅读(15764) 评论(3) 推荐(1)

[LeetCode] Number of Connected Components in an Undirected Graph 无向图中的连通区域的个数

摘要：Given n nodes labeled from 0 to n - 1 and a list of undirected edges (each edge is a pair of nodes), write a function to find the number of connected 阅读全文

posted @ 2016-01-28 15:14 Grandyang 阅读(17477) 评论(2) 推荐(0)

[LeetCode] Patching Array 补丁数组

摘要：Given a sorted positive integer array nums and an integer n, add/patch elements to the array such that any number in range [1, n] inclusive can be for 阅读全文

posted @ 2016-01-28 12:42 Grandyang 阅读(11044) 评论(11) 推荐(1)

[LeetCode] 327. Count of Range Sum 区间和计数

摘要：Given an integer array nums, return the number of range sums that lie in [lower, upper] inclusive.Range sum S(i, j) is defined as the sum of the eleme 阅读全文

posted @ 2016-01-27 11:33 Grandyang 阅读(18448) 评论(6) 推荐(0)

[LeetCode] 329. Longest Increasing Path in a Matrix 矩阵中的最长递增路径

摘要：Given an m x n integers matrix, return the length of the longest increasing path in matrix. From each cell, you can either move in four directions: le 阅读全文

posted @ 2016-01-21 13:54 Grandyang 阅读(20060) 评论(8) 推荐(1)

[LeetCode] Super Ugly Number 超级丑陋数

摘要：Write a program to find the nthsuper ugly number.Super ugly numbers are positive numbers whose all prime factors are in the given prime listprimesof s... 阅读全文

posted @ 2016-01-20 13:45 Grandyang 阅读(15550) 评论(2) 推荐(0)

[LeetCode] Wiggle Sort II 摆动排序之二

摘要：Given an unsorted array nums, reorder it such that nums[0] < nums[1] > nums[2] < nums[3].... Example 1: Example 2: Note:You may assume all input has v 阅读全文

posted @ 2016-01-18 13:59 Grandyang 阅读(34675) 评论(12) 推荐(2)

[LeetCode] Odd Even Linked List 奇偶链表

摘要：Given a singly linked list, group all odd nodes together followed by the even nodes. Please note here we are talking about the node number and not the... 阅读全文

posted @ 2016-01-18 13:20 Grandyang 阅读(14688) 评论(0) 推荐(1)

[LeetCode] Power of Three 判断3的次方数

摘要：Given an integer, write a function to determine if it is a power of three. Example 1: Example 2: Example 3: Example 4: Follow up:Could you do it witho 阅读全文

posted @ 2016-01-18 06:41 Grandyang 阅读(19963) 评论(10) 推荐(0)

[LeetCode] 322. Coin Change 零钱兑换

摘要：You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. Return 阅读全文

posted @ 2016-01-18 02:39 Grandyang 阅读(42268) 评论(17) 推荐(3)

[LeetCode] 321. Create Maximum Number 创建最大数

摘要：Given two arrays of length m and n with digits 0-9 representing two numbers. Create the maximum number of length k <= m + n from digits of the two. Th 阅读全文

posted @ 2016-01-17 07:07 Grandyang 阅读(18032) 评论(6) 推荐(0)

[LeetCode] 319. Bulb Switcher 灯泡开关

摘要：There are n bulbs that are initially off. You first turn on all the bulbs, then you turn off every second bulb. On the third round, you toggle every t 阅读全文

posted @ 2016-01-04 20:06 Grandyang 阅读(14707) 评论(7) 推荐(0)

Grandyang

仰天长啸仗剑红尘，冬去春来寒暑几更...

随笔分类 - LeetCode

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