hope1262946533-优快云博客

原创开篇

今天刚开博客，希望自己能每天坚持编程，嘿嘿，现在刚接触C语言不久，虽然自己很菜，但是我会一直努力，迟早有一天，我会打下属于自己的一片天地！最简单的一个小程序：#includemain(){printf("Hollow everyone,I will struggle for myself forever!");}这是开篇，以后还会继续...坚持下去！！j

2015-03-23 21:55:01 660

原创【LeetCode】92. Reverse Linked List II

题目：Reverse a linked list from positionmton. Do it in one-pass.Note:1 ≤m≤n≤ length of list.Example:Input: 1->2->3->4->5->NULL, m = 2, n = 4Output: 1->4->3->2-&...

2019-07-28 17:50:58 258

原创【LeetCode】91. Decode Ways

题目：A message containing letters fromA-Zis being encoded to numbers using the following mapping:'A' -> 1'B' -> 2...'Z' -> 26Given anon-emptystring containing only digits, determ...

2019-07-24 22:31:03 251

原创【LeetCode】90. Subsets II

题目：Given a collection of integers that might contain duplicates,nums, return all possible subsets (the power set).Note:The solution set must not contain duplicate subsets.Example:Input: [1,...

2019-07-15 21:35:54 247

原创【LeetCode】89. Gray Code【未完待续】

题目：The gray code is a binary numeral system where two successive values differ in only one bit.Given a non-negative integernrepresenting the total number of bits in the code, print the sequence ...

2019-07-12 23:03:05 163

原创【LeetCode】88. Merge Sorted Array

题目：Given two sorted integer arraysnums1andnums2, mergenums2intonums1as one sorted array.Note:The number of elements initialized innums1andnums2aremandnrespectively. You may assume...

2019-07-01 21:44:16 211

原创【LeetCode】87. Scramble String

题目：Given a strings1, we may represent it as a binary tree by partitioning it to two non-empty substrings recursively.Below is one possible representation ofs1="great": great / \ ...

2019-06-24 21:58:58 189

原创【LeetCode】86. Partition List

题目：Given a linked list and a valuex, partition it such that all nodes less thanxcome before nodes greater than or equal tox.You should preserve the original relative order of the nodes in each...

2019-06-12 22:49:54 128

原创【LeetCode】85. Maximal Rectangle【未完待续】

题目：Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing only 1's and return its area.Example:Input:[ ["1","0","1","0","0"], ["1","0","1","1","1"], ["1"...

2019-06-11 22:29:06 133

原创【LeetCode】84. Largest Rectangle in Histogram

题目：Givennnon-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the histogram.Above is a histogram where width ...

2019-06-04 22:33:24 146

原创【LeetCode】83. Remove Duplicates from Sorted List

题目：Given a sorted linked list, delete all duplicates such that each element appear onlyonce.Example 1:Input: 1->1->2Output: 1->2Example 2:Input: 1->1->2->3->3Outpu...

2019-05-31 22:56:58 122

原创【LeetCode】82. Remove Duplicates from Sorted List II

题目：Given a sorted linked list, delete all nodes that have duplicate numbers, leaving onlydistinctnumbers from the original list.Example 1:Input: 1->2->3->3->4->4->5Output: ...

2019-05-31 22:50:43 117

原创【LeetCode】81. Search in Rotated Sorted Array II

题目：Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand.(i.e.,[0,0,1,2,2,5,6]might become[2,5,6,0,0,1,2]).You are given a target value to search. If f...

2019-05-29 22:56:23 124

原创【LeetCode】80. Remove Duplicates from Sorted Array II

题目：Given a sorted arraynums, remove the duplicatesin-placesuch that duplicates appeared at mosttwiceand return the new length.Do not allocate extra space for another array, you must do this b...

2019-05-28 21:17:32 128

原创【LeetCode】79. Word Search

题目：Given a 2D board and a word, find if the word exists in the grid.The word can be constructed from letters of sequentially adjacent cell, where "adjacent" cells are those horizontally or vertica...

2019-05-27 22:42:54 128

原创【LeetCode】78. Subsets

题目：Given a set ofdistinctintegers,nums, return all possible subsets (the power set).Note:The solution set must not contain duplicate subsets.Example:Input: nums = [1,2,3]Output:[ [3],...

2019-05-26 21:04:48 122

原创【LeetCode】77. Combinations

题目：Given two integersnandk, return all possible combinations ofknumbers out of 1 ...n.Example:Input:n = 4, k = 2Output:[ [2,4], [3,4], [2,3], [1,2], [1,3], [1,4],]描述：给...

2019-05-24 22:57:31 167

原创【LeetCode】76. Minimum Window Substring

题目：Given a string S and a string T, find the minimum window in S which will contain all the characters in T in complexity O(n).Example:Input: S = "ADOBECODEBANC", T = "ABC"Output: "BANC"Not...

2019-05-24 20:43:58 127

原创【LeetCode】75. Sort Colors

题目：Given an array withnobjects colored red, white or blue, sort themin-placeso that objects of the same color are adjacent, with the colors in the order red, white and blue.Here, we will use t...

2019-05-19 09:46:41 143

原创【LeetCode】74. Search a 2D Matrix

题目：Write an efficient algorithm that searches for a value in anmxnmatrix. This matrix has the following properties:Integers in each row are sorted from left to right. The first integer of eac...

2019-05-17 08:59:35 136

原创【LeetCode】73. Set Matrix Zeroes【未完待续】

题目：Given amxnmatrix, if an element is 0, set its entire row and column to 0. Do itin-place.Example 1:Input: [ [1,1,1], [1,0,1], [1,1,1]]Output: [ [1,0,1], [0,0,0], [1,0,1]...

2019-05-16 21:56:44 148

原创【LeetCode】72. Edit Distance

题目：Given two wordsword1andword2, find the minimum number of operations required to convertword1toword2.You have the following 3 operations permitted on a word:Insert a character Delete a ...

2019-05-15 08:57:35 97

原创【LeetCode】71. Simplify Path

题目：Given anabsolute pathfor a file (Unix-style), simplify it. Or in other words, convert it to thecanonical path.In a UNIX-style file system, a period.refers to the current directory. Further...

2019-05-12 22:21:28 119

原创【LeetCode】70. Climbing Stairs

题目：You are climbing a stair case. It takesnsteps to reach to the top.Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top?Note:Givennwill be a pos...

2019-05-11 15:39:58 111

原创【LeetCode】69. Sqrt(x)

题目：Implementint sqrt(int x).Compute and return the square root ofx, wherexis guaranteed to be a non-negative integer.Since the return typeis an integer, the decimal digits are truncated and...

2019-05-11 14:56:00 103

原创【LeetCode】68. Text Justification

题目：Given an array of words and a widthmaxWidth, format the text such that each line has exactlymaxWidthcharacters and is fully (left and right) justified.You should pack your words in a greedy a...

2019-05-11 11:06:54 133

原创【LeetCode】67. Add Binary

题目：Given two binary strings, return their sum (also a binary string).The input strings are bothnon-emptyand contains only characters1or0.Example 1:Input: a = "11", b = "1"Output: "100"...

2019-05-10 22:22:52 119

原创【LeetCode】66. Plus One

题目：Given anon-emptyarray of digitsrepresenting a non-negative integer, plus one to the integer.The digits are stored such that the most significant digit is at the head of the list, and each el...

2019-05-10 22:03:43 107

原创【LeetCode】65. Valid Number

题目：Validate if a given string can be interpreted asa decimal number.Some examples:"0"=>true" 0.1 "=>true"abc"=>false"1 a"=>false"2e10"=>true" -90e3 "=>true" 1e"=&...

2019-05-10 21:40:10 117

原创【LeetCode】64. Minimum Path Sum

题目：Given amxngrid filled with non-negative numbers, find a path from top left to bottom right whichminimizesthe sum of all numbers along its path.Note:You can only move either down or right...

2019-05-09 08:44:00 103

原创【LeetCode】63. Unique Paths II

题目：A robot is located at the top-left corner of amxngrid (marked 'Start' in the diagram below).The robot can only move either down or right at any point in time. The robot is trying to reach t...

2019-05-08 22:17:19 142

原创【LeetCode】62. Unique Paths

题目：A robot is located at the top-left corner of amxngrid (marked 'Start' in the diagram below).The robot can only move either down or right at any point in time. The robot is trying to reach t...

2019-05-06 23:14:57 107

原创【LeetCode】61. Rotate List

题目：Given a linkedlist, rotate the list to the right bykplaces, wherekis non-negative.Example 1:Input: 1->2->3->4->5->NULL, k = 2Output: 4->5->1->2->3->NULLE...

2019-05-06 20:46:48 143

原创【LeetCode】60. Permutation Sequence

题目：The set[1,2,3,...,n]contains a total ofn! unique permutations.By listing and labeling all of the permutations in order, we get the following sequence forn= 3:"123" "132" "213" "231" ...

2019-05-06 08:49:57 97

原创【LeetCode】59. Spiral Matrix II

题目：Given a positive integern, generate a square matrix filled with elements from 1 ton2in spiral order.Example:Input: 3Output:[ [ 1, 2, 3 ], [ 8, 9, 4 ], [ 7, 6, 5 ]]描述:给出一个n表示要...

2019-05-06 08:30:21 107

原创【LeetCode】58. Length of Last Word

题目：Given a stringsconsists of upper/lower-case alphabets and empty space characters' ', return the length of last word in the string.If the last word does not exist, return 0.Note:A word is ...

2019-05-05 21:09:12 109

原创【LeetCode】57. Insert Interval

题目：Given a set ofnon-overlappingintervals, insert a new interval into the intervals (merge if necessary).You may assume that the intervals were initially sorted according to their start times....

2019-05-04 23:08:58 116

原创【LeetCode】56. Merge Intervals

题目：Given a collection of intervals, merge all overlapping intervals.Example 1:Input: [[1,3],[2,6],[8,10],[15,18]]Output: [[1,6],[8,10],[15,18]]Explanation: Since intervals [1,3] and [2,6] ove...

2019-05-04 20:37:34 139

原创【LeetCode】55. Jump Game

题目：Given an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array represents your maximum jump length at that position.Determine ...

2019-05-04 12:15:42 113

原创【LeetCode】54. Spiral Matrix

题目：Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.Example 1:Input:[ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ]]Output: [1,2,3,6,9,8,7,4...

2019-05-04 09:42:13 126

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