北叶青藤

2016年7月16日

摘要： Given a string source and a string target, find the minimum window in source which will contain all the characters in target. Notice If there is no su 阅读全文

posted @ 2016-07-16 05:04 北叶青藤阅读(385) 评论(0) 推荐(0)

Print Numbers by Recursion

摘要： Print numbers from 1 to the largest number with N digits by recursion. Notice It's pretty easy to do recursion like: recursion(i) { if i > largest num 阅读全文

posted @ 2016-07-16 01:37 北叶青藤阅读(242) 评论(0) 推荐(0)

Anagrams

摘要： Given an array of strings, return all groups of strings that are anagrams. Notice All inputs will be in lower-case Given an array of strings, return a 阅读全文

posted @ 2016-07-16 00:22 北叶青藤阅读(218) 评论(0) 推荐(0)

Add Two Numbers I & II

摘要： Add Two Numbers I You have two numbers represented by a linked list, where each node contains a single digit. The digits are stored in reverse order, 阅读全文

posted @ 2016-07-16 00:11 北叶青藤阅读(231) 评论(0) 推荐(0)

2016年7月15日

Set Matrix Zeroes

摘要： Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place. Have you met this question in a real interview? Yes Exam 阅读全文

posted @ 2016-07-15 23:22 北叶青藤阅读(187) 评论(0) 推荐(0)

LRU Cache

摘要： Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and put. get(key) - Get the 阅读全文

posted @ 2016-07-15 22:48 北叶青藤阅读(381) 评论(0) 推荐(0)

Sort Colors I & II

摘要： 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 red, 阅读全文

posted @ 2016-07-15 12:57 北叶青藤阅读(190) 评论(0) 推荐(0)

31. Next Permutation & Previous Permutation

摘要： Next Permutation Given a list of integers, which denote a permutation. Find the next permutation in ascending order. Notice The list may contains dupl 阅读全文

posted @ 2016-07-15 11:52 北叶青藤阅读(275) 评论(0) 推荐(0)

Flip Bits

摘要： Determine the number of bits required to flip if you want to convert integer n to integer m. Notice Both n and m are 32-bit integers. Determine the nu 阅读全文

posted @ 2016-07-15 05:31 北叶青藤阅读(205) 评论(0) 推荐(0)

Remove K Digits

摘要： Given string A representative a positive integer which has N digits, remove any k digits of the number, the remaining digits are arranged according to 阅读全文

posted @ 2016-07-15 05:15 北叶青藤阅读(169) 评论(0) 推荐(0)

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