Leetcode 912: Sort an Array
The original question can be found here. It’s asking us to provide O(nlogn)solutions. Quick Sort The algorithm can be found […]
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topics
Merge Sort vs Quick Sort
Introduction Both merge sort and quick sort are popular sorting algorithms. They both use recursion and leverage devide and conquer
topics
Merge Sort
Introduction Merge sort is another popular algorithm, with time complexity as O(nlogn). It’s leveraging the principle of divide and conquer,
topics
Quick Sort
Introduction Quick sort is one of the most popular algorithms for sorting. It’s not uncommon to see this algorithm or
solutions
Leetcode 1: Two Sum
This is probably our very first coding preparation question. The original question can found here. This question is asking us
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Leetcode 680: Valid Palindrome II
The original question can be found here. The question is asking if a string is palindromic if at most 1
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Leetcode 125: Valid Palindrome
The original question can be found here. The question is asking for a given string, determine if it’s palindromic. Only
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Leetcode 5: Longest Palindromic Substring
The original question can be found here. There’re multiple solutions to this question, and we’ll start with the brute force
interview-skills
Interview Skills and Coding Styles
Here are some interview skills and coding styles that on top of my head. Interview Skills Try to avoid “I
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Leetcode 4: Median of Two Sorted Arrays
The original question can be found here. The question is asking to return the median number of 2 sorted arrays.