LeetCode解题 - 随笔分类(第2页) - 宵夜在哪

130. Surrounded Regions 解题记录

摘要：题目描述： Given a 2D board containing 'X' and 'O' (the letter O), capture all regions surrounded by 'X'. A region is captured by flipping all 'O's into 'X 阅读全文

posted @ 2018-03-29 11:13 宵夜在哪阅读(110) 评论(0) 推荐(0)

129. Sum Root to Leaf Numbers 解题记录

摘要：Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2->3 whic 阅读全文

posted @ 2018-03-28 17:09 宵夜在哪阅读(115) 评论(0) 推荐(0)

120. Triangle 解题记录

摘要：题目描述： Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below. For example, given 阅读全文

posted @ 2018-03-26 09:10 宵夜在哪阅读(117) 评论(0) 推荐(0)

113. Path Sum II 解题记录

摘要：题目描述： Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum. For example: Given the below binary tree 阅读全文

posted @ 2018-03-25 23:26 宵夜在哪阅读(86) 评论(0) 推荐(0)

102. Binary Tree Level Order Traversal 解题记录

摘要：题目描述： Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level). For example: Given binary 阅读全文

posted @ 2018-03-24 22:11 宵夜在哪阅读(95) 评论(0) 推荐(0)

94. Binary Tree Inorder Traversal 解题记录

摘要：题目描述： Given a binary tree, return the inorder traversal of its nodes' values. For example: Given binary tree [1,null,2,3], return [1,3,2]. Note: Recur 阅读全文

posted @ 2018-03-23 22:23 宵夜在哪阅读(85) 评论(0) 推荐(0)

90. Subsets II 解题记录

摘要：题目描述： Given a collection of integers that might contain duplicates, nums, return all possible subsets (the power set). Note: The solution set must not 阅读全文

posted @ 2018-03-22 11:42 宵夜在哪阅读(99) 评论(0) 推荐(0)

89. Gray Code 解题记录

摘要：题目描述： The gray code is a binary numeral system where two successive values differ in only one bit. Given a non-negative integer n representing the tot 阅读全文

posted @ 2018-03-21 19:23 宵夜在哪阅读(131) 评论(0) 推荐(0)

运算符重载

摘要：基本概念：对已有的运算符赋予多重的含义使同一运算符作用于不同类型的数据时，有不同类型的行为目的是扩展C++中提供的运算符的适用范围，以用于类所表示的抽象数据类型运算符重载的实质是函数重载：返回值类型 operator 运算符(形参表) { } 可重载为普通函数和成员函数，成员函数的形参中因阅读全文

posted @ 2018-03-20 17:54 宵夜在哪阅读(153) 评论(0) 推荐(0)

86. Partition List 解题记录

摘要：题目描述： Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x. You should preserv 阅读全文

posted @ 2018-03-20 17:14 宵夜在哪阅读(78) 评论(0) 推荐(0)

82. Remove Duplicates from Sorted List II 解题记录

摘要：题目描述： Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. For example, Giv 阅读全文

posted @ 2018-03-19 18:01 宵夜在哪阅读(83) 评论(0) 推荐(0)

81. Search in Rotated Sorted Array II 解题记录

摘要：题目描述： Suppose an array sorted in ascending order 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). 阅读全文

posted @ 2018-03-18 22:15 宵夜在哪阅读(62) 评论(0) 推荐(0)

80. Remove Duplicates from Sorted Array II 解题记录

摘要：题目描述： Follow up for "Remove Duplicates": What if duplicates are allowed at most twice? For example, Given sorted array nums = [1,1,1,2,2,3], Your func 阅读全文

posted @ 2018-03-17 13:27 宵夜在哪阅读(86) 评论(0) 推荐(0)

79. Word Search 解题记录

摘要：题目描述： 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 阅读全文

posted @ 2018-03-16 20:10 宵夜在哪阅读(118) 评论(0) 推荐(0)

78. Subsets 解题记录

摘要：题目描述： Given a set of distinct integers, nums, return all possible subsets (the power set). Note: The solution set must not contain duplicate subsets. 阅读全文

posted @ 2018-03-15 18:21 宵夜在哪阅读(133) 评论(0) 推荐(0)

56. Merge Intervals 解题记录

摘要：题目描述： Given a collection of intervals, merge all overlapping intervals. For example, Given [1,3],[2,6],[8,10],[15,18], return [1,6],[8,10],[15,18]. 解题阅读全文

posted @ 2018-03-14 18:44 宵夜在哪阅读(108) 评论(0) 推荐(0)

77. Combinations 解题记录

摘要：题目描述： Given two integers n and k, return all possible combinations of k numbers out of 1 ... n. For example, If n = 4 and k = 2, a solution is: 解题思路：阅读全文

posted @ 2018-03-13 17:37 宵夜在哪阅读(123) 评论(0) 推荐(0)

75. Sort Colors 解题记录

摘要：题目描述： Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order 阅读全文

posted @ 2018-03-12 13:08 宵夜在哪阅读(107) 评论(0) 推荐(0)

73. Set Matrix Zeroes 解题记录

摘要：题目描述： Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place. Follow up: Did you use extra space? A straight for 阅读全文

posted @ 2018-03-12 00:45 宵夜在哪阅读(93) 评论(0) 推荐(0)

64. Minimum Path Sum 解题记录

摘要：题目描述： Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of all numbers along its 阅读全文

posted @ 2018-03-10 14:07 宵夜在哪阅读(95) 评论(0) 推荐(0)

随笔分类 - LeetCode解题