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Clone Graph Part I. Clone a graph. Input is a Node pointer. Return the Node pointer of the cloned graph. May 30, 2012. Determine whether an integer is a palindrome. Do this without extra space. January 4, 2012. Longest Palindromic Substring Part II. November 20, 2011. Longest Palindromic Substring Part I. Given a string S, find the longest palindromic substring in S. November 20, 2011. Implement regular expression matching with support for ‘.’ and ‘*’. September 1, 2011. Insert into a Cyclic Sorted List.

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Clone Graph Part I. Clone a graph. Input is a Node pointer. Return the Node pointer of the cloned graph. May 30, 2012. Determine whether an integer is a palindrome. Do this without extra space. January 4, 2012. Longest Palindromic Substring Part II. November 20, 2011. Longest Palindromic Substring Part I. Given a string S, find the longest palindromic substring in S. November 20, 2011. Implement regular expression matching with support for ‘.’ and ‘*’. September 1, 2011. Insert into a Cyclic Sorted List.
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LeetCode | Online Portal for IT Interview | articles.leetcode.com Reviews

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Clone Graph Part I. Clone a graph. Input is a Node pointer. Return the Node pointer of the cloned graph. May 30, 2012. Determine whether an integer is a palindrome. Do this without extra space. January 4, 2012. Longest Palindromic Substring Part II. November 20, 2011. Longest Palindromic Substring Part I. Given a string S, find the longest palindromic substring in S. November 20, 2011. Implement regular expression matching with support for ‘.’ and ‘*’. September 1, 2011. Insert into a Cyclic Sorted List.

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1337c0d3r – LeetCode

http://articles.leetcode.com/author/admin

Clone Graph Part I. Clone a graph. Input is a Node pointer. Return the Node pointer of the cloned graph. May 30, 2012. Determine whether an integer is a palindrome. Do this without extra space. January 4, 2012. Longest Palindromic Substring Part II. November 20, 2011. Longest Palindromic Substring Part I. Given a string S, find the longest palindromic substring in S. November 20, 2011. Implement regular expression matching with support for ‘.’ and ‘*’. September 1, 2011. Insert into a Cyclic Sorted List.

2

Palindrome Number – LeetCode

http://articles.leetcode.com/2012/01/palindrome-number.html

January 4, 2012. Determine whether an integer is a palindrome. Do this without extra space. This problem is available at Online Judge. And it will judge your solution. Currently only able to compile C /Java code. If you are using other languages, you can still verify your solution by looking at the judge’s test cases and its expected output. In previous posts ( Longest Palindromic Substring Part I. Finding out the full requirements of a problem before coding is what every programmer must. Is the maximum ...

3

Median of Two Sorted Arrays – LeetCode

http://articles.leetcode.com/2011/03/median-of-two-sorted-arrays.html

Median of Two Sorted Arrays. March 28, 2011. There are two sorted arrays A and B of size. Respectively. Find the median of the two sorted arrays. The overall run time complexity should be. Please head over to this MIT handout. For a much better solution, although their solution does not deal with some special cases, which is easy to fix. Please consult Sophie’s solution. Which fixes these special cases easily. Although my solution below works, it is too complicated. If you search this problem on Google.

4

Clone Graph Part I – LeetCode

http://articles.leetcode.com/2012/05/clone-graph-part-i.html

Clone Graph Part I. May 30, 2012. Clone a graph. Input is a Node pointer. Return the Node pointer of the cloned graph. A graph is defined below:. There are two main ways to traverse a graph. Do you still remember them? Could you tell if the graph is directed or undirected? There are two main ways to traverse a graph:. Let’s try the Breadth-first approach first, which requires a queue. For the Depth-first approach, please see Clone Graph Part II. How does the breadth-first traversal works? The fact that B...

5

Lowest Common Ancestor of a Binary Tree Part II – LeetCode

http://articles.leetcode.com/2011/07/lowest-common-ancestor-of-a-binary-tree-part-ii.html

Lowest Common Ancestor of a Binary Tree Part II. July 21, 2011. Given a binary tree, find the lowest common ancestor of two given nodes in the tree. Each node contains a parent pointer which links to its parent. This is Part II of Lowest Common Ancestor of a Binary Tree. If you need to find the lowest common ancestor without parent pointers, please read Lowest Common Ancestor of a Binary Tree Part I. Or the definition of LCA here. Using the tree above as an example, the LCA of nodes 5. Is the tree’...

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Algorithms

http://badgerous.net/2016/12/03/2-algorithms.html

Dec 3, 2016,. 7 minute read,. This is by far the biggest area for the tech interview, though thankfully it’s an area you can study well. It just takes a lot of time. It should probably be something you are doing on an ongoing basis. If you are doing this studying for an hour or two a week, plan at least six months. For example, the 8-queens. Your understanding helps you to remember, and needs to be explained in the interview. It will also help with similar problems in the future. Time to go to school!

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All my solutions in the code editor suddenly went missing. How can I retrieve my solutions? The code you typed into the code editor is stored temporarily. In your browser session, however all your submitted solutions were stored permanently. Fear not, just click on the "code" icon. To retrieve your last. Where to find all my submitted code? Go to the submissions page. Then click on the status of that submission row to view more details such as your submitted code. Java 1.8.0 60. Python 2.7.9. For an exam...

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LeetCode | Online Portal for IT Interview

Clone Graph Part I. Clone a graph. Input is a Node pointer. Return the Node pointer of the cloned graph. May 30, 2012. Determine whether an integer is a palindrome. Do this without extra space. January 4, 2012. Longest Palindromic Substring Part II. November 20, 2011. Longest Palindromic Substring Part I. Given a string S, find the longest palindromic substring in S. November 20, 2011. Implement regular expression matching with support for ‘.’ and ‘*’. September 1, 2011. Insert into a Cyclic Sorted List.

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