GadyPu

2015年12月9日

摘要：题目连接https://leetcode.com/problems/pascals-triangle/Pascal's TriangleDescriptionGiven numRows, generate the first numRows of Pascal’s triangle.For exam... 阅读全文

posted @ 2015-12-09 20:26 GadyPu 阅读(149) 评论(0) 推荐(0)

leetcode Triangle

摘要：题目连接https://leetcode.com/problems/triangle/TriangleDescriptionGiven a triangle, find the minimum path sum from top to bottom. Each step you may move t... 阅读全文

posted @ 2015-12-09 20:24 GadyPu 阅读(153) 评论(0) 推荐(0)

leetcode Valid Palindrome

摘要：题目连接https://leetcode.com/problems/valid-palindrome/Valid PalindromeDescriptionGiven a string, determine if it is a palindrome, considering only alphan... 阅读全文

posted @ 2015-12-09 20:20 GadyPu 阅读(175) 评论(0) 推荐(0)

leetcode Word Ladder

摘要：题目连接 https://leetcode.com/problems/word-ladder/ Word Ladder Description Given two words (beginWord and endWord), and a dictionary’s word list, find th 阅读全文

posted @ 2015-12-09 20:17 GadyPu 阅读(161) 评论(0) 推荐(0)

leetcode Longest Consecutive Sequence

摘要：题目连接https://leetcode.com/problems/longest-consecutive-sequence/Longest Consecutive SequenceDescriptionGiven an unsorted array of integers, find the le... 阅读全文

posted @ 2015-12-09 20:15 GadyPu 阅读(164) 评论(0) 推荐(0)

leetcode Sum Root to Leaf Numbers

摘要：题目连接https://leetcode.com/problems/sum-root-to-leaf-numbers/Sum Root to Leaf NumbersDescriptionGiven a binary tree containing digits from 0-9 only, eac... 阅读全文

posted @ 2015-12-09 20:12 GadyPu 阅读(139) 评论(0) 推荐(0)

leetcode Clone Graph

摘要：题目连接https://leetcode.com/problems/clone-graph/Clone GraphDescriptionClone an undirected graph. Each node in the graph contains a label and a list of i... 阅读全文

posted @ 2015-12-09 20:09 GadyPu 阅读(144) 评论(0) 推荐(0)

leetcode Evaluate Reverse Polish Notation

摘要：题目连接https://leetcode.com/problems/evaluate-reverse-polish-notation/Evaluate Reverse Polish NotationDescriptionEvaluate the value of an arithmetic expr... 阅读全文

posted @ 2015-12-09 20:07 GadyPu 阅读(145) 评论(0) 推荐(0)

leetcode Reverse Words in a String

摘要：题目连接https://leetcode.com/problems/reverse-words-in-a-string/Reverse Words in a StringDescriptionGiven an input string, reverse the string word by word... 阅读全文

posted @ 2015-12-09 20:04 GadyPu 阅读(137) 评论(0) 推荐(0)

leetcode Min Stack

摘要：题目连接https://leetcode.com/problems/min-stack/Min StackDescriptionDesign a stack that supports push, pop, top, and retrieving the minimum element in con... 阅读全文

posted @ 2015-12-09 20:02 GadyPu 阅读(141) 评论(0) 推荐(0)

leetcode Excel Sheet Column Title

摘要：题目连接https://leetcode.com/problems/excel-sheet-column-title/Excel Sheet Column TitleDescriptionGiven a positive integer, return its corresponding colum... 阅读全文

posted @ 2015-12-09 19:58 GadyPu 阅读(160) 评论(0) 推荐(0)

leetcode Majority Element

摘要：题目连接https://leetcode.com/problems/majority-element/Majority ElementDescriptionGiven an array of size n, find the majority element. The majority elemen... 阅读全文

posted @ 2015-12-09 19:56 GadyPu 阅读(115) 评论(0) 推荐(0)

leetcode Excel Sheet Column Number

摘要：题目连接https://leetcode.com/problems/excel-sheet-column-number/Excel Sheet Column NumberDescriptionRelated to question Excel Sheet Column TitleGiven a co... 阅读全文

posted @ 2015-12-09 19:54 GadyPu 阅读(193) 评论(0) 推荐(0)

leetcode Rotate Array

摘要：题目连接https://leetcode.com/problems/rotate-array/Rotate ArrayDescriptionRotate an array of n elements to the right by k steps.For example, with n = 7 an... 阅读全文

posted @ 2015-12-09 19:51 GadyPu 阅读(139) 评论(0) 推荐(0)

2015年12月8日

leetcode Reverse Bits

摘要：题目连接https://leetcode.com/problems/reverse-bits/Reverse BitsDescriptionReverse bits of a given 32 bits unsigned integer.For example, given input 432615... 阅读全文

posted @ 2015-12-08 09:50 GadyPu 阅读(161) 评论(0) 推荐(0)

leetcode Number of 1 Bits

摘要：题目连接https://leetcode.com/problems/number-of-1-bits/Number of 1 BitsDescriptionWrite a function that takes an unsigned integer and returns the number o... 阅读全文

posted @ 2015-12-08 09:47 GadyPu 阅读(129) 评论(0) 推荐(0)

leetcode Number of Islands

摘要：题目连接https://leetcode.com/problems/number-of-islands/Number of IslandsDescriptionGiven a 2d grid map of ‘1’s (land) and ‘0’s (water), count the number ... 阅读全文

posted @ 2015-12-08 09:44 GadyPu 阅读(166) 评论(0) 推荐(0)

leetcode Happy Number

摘要：题目连接https://leetcode.com/problems/happy-number/Happy NumberDescriptionWrite an algorithm to determine if a number is “happy”.A happy number is a numbe... 阅读全文

posted @ 2015-12-08 09:41 GadyPu 阅读(187) 评论(0) 推荐(0)

leetcode Remove Linked List Elements

摘要：题目连接https://leetcode.com/problems/remove-linked-list-elements/Remove Linked List ElementsDescriptionRemove all elements from a linked list of integers... 阅读全文

posted @ 2015-12-08 09:37 GadyPu 阅读(126) 评论(0) 推荐(0)

leetcode Isomorphic Strings

摘要：题目连接https://leetcode.com/problems/isomorphic-strings/Isomorphic StringsDescriptionGiven two strings s and t, determine if they are isomorphic.Two stri... 阅读全文

posted @ 2015-12-08 09:35 GadyPu 阅读(170) 评论(0) 推荐(0)

leetcode Reverse Linked List

摘要：题目连接https://leetcode.com/problems/reverse-linked-list/Reverse Linked ListDescriptionReverse a singly linked list./** * Definition for singly-linked li... 阅读全文

posted @ 2015-12-08 09:32 GadyPu 阅读(108) 评论(0) 推荐(0)

leetcode Course Schedule

摘要：题目连接https://leetcode.com/problems/course-schedule/Course ScheduleDescriptionThere are a total of n courses you have to take, labeled from 0 to n−1.Som... 阅读全文

posted @ 2015-12-08 09:28 GadyPu 阅读(168) 评论(0) 推荐(0)

leetcode Binary Tree Paths

摘要：题目连接https://leetcode.com/problems/binary-tree-paths/Binary Tree PathsDescriptionGiven a binary tree, return all root-to-leaf paths.For example, given ... 阅读全文

posted @ 2015-12-08 09:21 GadyPu 阅读(141) 评论(0) 推荐(0)

2015年12月6日

leetcode Count of Smaller Numbers After Self

摘要：题目连接https://leetcode.com/problems/count-of-smaller-numbers-after-self/Count of Smaller Numbers After SelfDescriptionYou are given an integer array num... 阅读全文

posted @ 2015-12-06 18:36 GadyPu 阅读(637) 评论(0) 推荐(0)

2015年12月4日

leetcode Implement Trie (Prefix Tree)

摘要：题目连接https://leetcode.com/problems/implement-trie-prefix-tree/Implement Trie (Prefix Tree)DescriptionImplement a trie with insert, search, and startsWi... 阅读全文

posted @ 2015-12-04 22:33 GadyPu 阅读(153) 评论(0) 推荐(0)

leetcode Course Schedule II

摘要：题目连接https://leetcode.com/problems/course-schedule-ii/Course Schedule IIDescriptionThere are a total of n courses you have to take, labeled from 0 to n... 阅读全文

posted @ 2015-12-04 22:29 GadyPu 阅读(166) 评论(0) 推荐(0)

leetcode Kth Largest Element in an Array

摘要：题目连接https://leetcode.com/problems/kth-largest-element-in-an-array/Kth Largest Element in an ArrayDescriptionFind the kth largest element in an unsorte... 阅读全文

posted @ 2015-12-04 22:25 GadyPu 阅读(163) 评论(0) 推荐(0)

leetcode Basic Calculator

摘要：题目连接https://leetcode.com/problems/basic-calculator/Basic CalculatorDescriptionImplement a basic calculator to evaluate a simple expression string.The ... 阅读全文

posted @ 2015-12-04 22:21 GadyPu 阅读(154) 评论(0) 推荐(0)

leetcode Power of Two

摘要：题目连接https://leetcode.com/problems/power-of-two/Power of TwoDescriptionGiven an integer, write a function to determine if it is a power of two.水一发pytho... 阅读全文

posted @ 2015-12-04 22:18 GadyPu 阅读(160) 评论(0) 推荐(0)

Lowest Common Ancestor of a Binary Search Tree

摘要：题目连接https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/同上, 用二叉树的性质要快一些，懒得改了。。/** * Definition for a binary tree node. * stru... 阅读全文

posted @ 2015-12-04 22:14 GadyPu 阅读(134) 评论(0) 推荐(0)

Lowest Common Ancestor of a Binary Tree

摘要：题目连接https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree/Common Ancestor of a Binary TreeDescriptionGiven a binary tree, find the low... 阅读全文

posted @ 2015-12-04 22:11 GadyPu 阅读(132) 评论(0) 推荐(0)

leetcode Delete Node in a Linked List

摘要：题目连接https://leetcode.com/problems/delete-node-in-a-linked-list/Delete Node in a Linked ListDescriptionWrite a function to delete a node (except the ta... 阅读全文

posted @ 2015-12-04 22:03 GadyPu 阅读(141) 评论(0) 推荐(0)

leetcode Search a 2D Matrix II

摘要：题目连接https://leetcode.com/problems/search-a-2d-matrix-ii/Search a 2D Matrix IIDescriptionWrite an efficient algorithm that searches for a value in an m... 阅读全文

posted @ 2015-12-04 22:00 GadyPu 阅读(146) 评论(0) 推荐(0)

leetcdoe Valid Anagram

摘要：题目连接https://leetcode.com/problems/valid-anagram/Valid AnagramDescriptionGiven two strings s and t, write a function to determine if t is an anagram of... 阅读全文

posted @ 2015-12-04 21:55 GadyPu 阅读(167) 评论(0) 推荐(0)

leetcode Add Digits

摘要：题目连接https://leetcode.com/problems/add-digits/Add DigitsDescriptionGiven a non-negative integer num, repeatedly add all its digits until the result has... 阅读全文

posted @ 2015-12-04 21:50 GadyPu 阅读(150) 评论(0) 推荐(0)

leetcode Single Number III

摘要：题目连接https://leetcode.com/problems/single-number-iii/Single Number IIIDescriptionGiven an array of numbers nums, in which exactly two elements appear o... 阅读全文

posted @ 2015-12-04 21:47 GadyPu 阅读(132) 评论(0) 推荐(0)

leetcode Ugly Number

摘要：题目连接https://leetcode.com/problems/ugly-number/Ugly NumberDescriptionWrite a program to check whether a given number is an ugly number.Ugly numbers are... 阅读全文

posted @ 2015-12-04 21:44 GadyPu 阅读(157) 评论(0) 推荐(0)

leetcode Ugly Number II

摘要：题目连接https://leetcode.com/problems/ugly-number-ii/Ugly Number IIDescriptionWrite a program to find the $n_{th}$ ugly number.Ugly numbers are positive n... 阅读全文

posted @ 2015-12-04 21:41 GadyPu 阅读(156) 评论(0) 推荐(0)

leetcode Missing Number

摘要：题目连接https://leetcode.com/problems/missing-number/Missing NumberDescriptionGiven an array containing n distinct numbers taken from$ 0, 1, 2, ..., n$, f... 阅读全文

posted @ 2015-12-04 21:38 GadyPu 阅读(122) 评论(0) 推荐(0)

leetcode Find the Duplicate Number

摘要：题目连接https://leetcode.com/problems/find-the-duplicate-number/Find the Duplicate NumberDescriptionGiven an array nums containing n + 1 integers where ea... 阅读全文

posted @ 2015-12-04 21:34 GadyPu 阅读(213) 评论(0) 推荐(0)

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