Description Given a string s, find the longest palindromic substring in s. You may assume that the maximum length of s is 1000. Example 1: Input: “babad” Output: “bab” […]
Median of Two Sorted Arrays – #4 Leetcode
Description There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexity should […]
3. Longest Substring Without Repeating Characters
Description Given a string, find the length of the longest substring without repeating characters. Example 1: Input: “abcabcbb” Output: 3 Explanation: The answer is “abc”, with the […]
Add Two Numbers – #2 LeetCode
Problem You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and each of their nodes contain a single digit. Add […]
Two Sum – #1 LeetCode
Problem Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input […]
Email Domain Validation – PHP Handson
Sometimes it is necessary to check if a mail is valid when a user is trying to register a new account on your website to […]
Lucky Dip – Kickstart 2018 Round A
For Small Dataset The following should work fine for small data set, even if without the dynamic programming. For Large Dataset The most consuming part […]
Even Digits – Kickstart 2018 Round A
Attempt 1 Following is my first submission, which did not pass. Attempt 2 I find the hint to be more complicated than mine, but it […]
Mural – Kickstart 2019 Practice Round
Description This is the second problem. Basically about the largest substring. My Submission Accepted
Number Guessing – Kickstart 2019 Practice Round
Description Basics of Python and output cache clear. My Submission Accepted