leetcode - 随笔分类(第17页) - bernieloveslife

532. K-diff Pairs in an Array

摘要：Given an array of integers and an integer k, you need to find the number of unique k-diff pairs in the array. Here a k-diff pair is defined as an inte 阅读全文

posted @ 2017-10-26 19:51 bernieloveslife 阅读(149) 评论(0) 推荐(0)

561. Array Partition I

摘要：Given an array of 2n integers, your task is to group these integers into n pairs of integer, say (a1, b1), (a2, b2), ..., (an, bn) which makes sum of 阅读全文

posted @ 2017-10-26 18:36 bernieloveslife 阅读(106) 评论(0) 推荐(0)

581. Shortest Unsorted Continuous Subarray

摘要：Given an integer array, you need to find one continuous subarray that if you only sort this subarray in ascending order, then the whole array will be 阅读全文

posted @ 2017-10-26 18:31 bernieloveslife 阅读(111) 评论(0) 推荐(0)

605. Can Place Flowers

摘要：Suppose you have a long flowerbed in which some of the plots are planted and some are not. However, flowers cannot be planted in adjacent plots - they 阅读全文

posted @ 2017-10-26 15:32 bernieloveslife 阅读(137) 评论(0) 推荐(0)

628. Maximum Product of Three Numbers

摘要：Given an integer array, find three numbers whose product is maximum and output the maximum product. Example 1: Example 2: Note: 阅读全文

posted @ 2017-10-26 15:13 bernieloveslife 阅读(123) 评论(0) 推荐(0)

643. Maximum Average Subarray I

摘要：Given an array consisting of n integers, find the contiguous subarray of given length k that has the maximum average value. And you need to output the 阅读全文

posted @ 2017-10-23 13:43 bernieloveslife 阅读(151) 评论(0) 推荐(0)

566. Reshape the Matrix

摘要：In MATLAB, there is a very useful function called 'reshape', which can reshape a matrix into a new one with different size but keep its original data. 阅读全文

posted @ 2017-10-23 13:36 bernieloveslife 阅读(137) 评论(0) 推荐(0)

661. Image Smoother

摘要：Given a 2D integer matrix M representing the gray scale of an image, you need to design a smoother to make the gray scale of each cell becomes the ave 阅读全文

posted @ 2017-10-19 20:29 bernieloveslife 阅读(114) 评论(0) 推荐(0)

665. Non-decreasing Array

摘要：Given an array with n integers, your task is to check if it could become non-decreasing by modifying at most 1 element. We define an array is non-decr 阅读全文

posted @ 2017-10-19 15:32 bernieloveslife 阅读(164) 评论(0) 推荐(0)

674. Longest Continuous Increasing Subsequence

摘要：Given an unsorted array of integers, find the length of longest continuous increasing subsequence. Example 1: Example 2: Note: Length of the array wil 阅读全文

posted @ 2017-10-19 15:17 bernieloveslife 阅读(191) 评论(0) 推荐(0)

697. Degree of an Array

摘要：Given a non-empty array of non-negative integers nums, the degree of this array is defined as the maximum frequency of any one of its elements. Your t 阅读全文

posted @ 2017-10-19 14:12 bernieloveslife 阅读(209) 评论(0) 推荐(0)

453. Minimum Moves to Equal Array Elements

摘要：Given a non-empty integer array of size n, find the minimum number of moves required to make all array elements equal, where a move is incrementing n 阅读全文

posted @ 2017-10-19 12:24 bernieloveslife 阅读(132) 评论(0) 推荐(0)

598. Range Addition II

摘要：Given an m * n matrix M initialized with all 0's and several update operations. Operations are represented by a 2D array, and each operation is repres 阅读全文

posted @ 2017-10-19 11:14 bernieloveslife 阅读(150) 评论(0) 推荐(0)

492. Construct the Rectangle

摘要：For a web developer, it is very important to know how to design a web page's size. So, given a specific rectangular web page’s area, your job by now i 阅读全文

posted @ 2017-10-19 10:55 bernieloveslife 阅读(179) 评论(0) 推荐(0)

171. Excel Sheet Column Number

摘要：Related to question Excel Sheet Column Title Given a column title as appear in an Excel sheet, return its corresponding column number. For example: Cr 阅读全文

posted @ 2017-09-30 19:06 bernieloveslife 阅读(148) 评论(0) 推荐(0)

122. Best Time to Buy and Sell Stock II

摘要：Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to find the maximum profit. You may comple 阅读全文

posted @ 2017-09-29 12:40 bernieloveslife 阅读(128) 评论(0) 推荐(0)

383. Ransom Note

摘要：Given an arbitrary ransom note string and another string containing letters from all the magazines, write a function that will return true if the rans 阅读全文

posted @ 2017-09-29 10:58 bernieloveslife 阅读(126) 评论(0) 推荐(0)

226. Invert Binary Tree

摘要：Invert a binary tree. to Trivia: This problem was inspired by this original tweet by Max Howell: Python Solution: 阅读全文

posted @ 2017-09-29 10:44 bernieloveslife 阅读(119) 评论(0) 推荐(0)

104. Maximum Depth of Binary Tree

摘要：Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down to the farthest l 阅读全文

posted @ 2017-09-29 10:23 bernieloveslife 阅读(130) 评论(0) 推荐(0)

485. Max Consecutive Ones

摘要：Given a binary array, find the maximum number of consecutive 1s in this array. Example 1: Note: The input array will only contain 0 and 1. The length 阅读全文

posted @ 2017-09-29 10:09 bernieloveslife 阅读(166) 评论(0) 推荐(0)

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