逸朵 - 博客园

2018年1月1日

摘要： Given a sorted array of integers nums and integer values a, b and c. Apply a quadratic function of the form f(x) = ax2 + bx + c to each element x in t 阅读全文

posted @ 2018-01-01 02:56 逸朵阅读(244) 评论(0) 推荐(0)

Leetcode 359: Logger Rate Limiter

摘要： Design a logger system that receive stream of messages along with its timestamps, each message should be printed if and only if it is not printed in t 阅读全文

posted @ 2018-01-01 02:32 逸朵阅读(229) 评论(0) 推荐(0)

Leetcode 345: Reverse Vowels of a String

摘要： Write a function that takes a string as input and reverse only the vowels of a string. Example 1:Given s = "hello", return "holle". Example 2:Given s 阅读全文

posted @ 2018-01-01 01:49 逸朵阅读(118) 评论(0) 推荐(0)

2017年12月30日

Leetcode 593: Valid Square

摘要： Given the coordinates of four points in 2D space, return whether the four points could construct a square. The coordinate (x,y) of a point is represen 阅读全文

posted @ 2017-12-30 05:31 逸朵阅读(114) 评论(0) 推荐(0)

Leetcode 743. Closest Leaf in a Binary Tree

摘要： Given a binary tree where every node has a unique value, and a target key k, find the value of the nearest leaf node to target k in the tree. Here, ne 阅读全文

posted @ 2017-12-30 01:06 逸朵阅读(185) 评论(0) 推荐(0)

2017年12月29日

Leetcode 754. Cracking the Safe

摘要： There is a box protected by a password. The password is n digits, where each letter can be one of the first k digits 0, 1, ..., k-1. You can keep inpu 阅读全文

posted @ 2017-12-29 07:58 逸朵阅读(498) 评论(0) 推荐(0)

Leetcode 31. Next Permutation

摘要： Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers. If such arrangement is not po ssi 阅读全文

posted @ 2017-12-29 07:26 逸朵阅读(137) 评论(0) 推荐(0)

How to design Instagram?

摘要： Instagram Architecture: 14 Million Users, Terabytes Of Photos, 100s Of Instances, Dozens Of Technologies TUESDAY, DECEMBER 6, 2011 AT 9:15AM Instagram 阅读全文

posted @ 2017-12-29 03:59 逸朵阅读(228) 评论(0) 推荐(0)

How to design Uber?

摘要： How Uber Scales Their Real-Time Market Platform MONDAY, SEPTEMBER 14, 2015 AT 8:56AM Reportedly Uber has grown an astonishing 38 times bigger in just 阅读全文

posted @ 2017-12-29 02:29 逸朵阅读(335) 评论(0) 推荐(0)

How to design Splunk?

摘要： https://www.edureka.co/blog/splunk-architecture/ If you want to implement Splunk in your infrastructure, then it is important that you know how Splunk 阅读全文

posted @ 2017-12-29 02:27 逸朵阅读(408) 评论(0) 推荐(0)

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