leetcode

Leetcode Leetcode - Reformat Date - my solution using javascript

By Howard Lee 06 May 2021

Reformat Date. Given a date string in the form Day Month Year, where: Day is in the set {"1st", "2nd", "3rd", "4th", ..., "30th", "31st"}. Month is in the set {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}. Year is in the range [1900, 2100]. Convert the date string to the format YYYY-MM-DD, where: YYYY denotes the 4 digit year. MM denotes the 2 digit month.

Leetcode Leetcode - Merge Two Sorted List - my solution using javascript

By Howard Lee 07 April 2021

Merge two sorted linked lists and return it as a sorted list. The list should be made by splicing together the nodes of the first two lists. Example 1: Input: l1 = [1,2,4], l2 = [1,3,4] Output: [1,1,2,3,4,4] Example 2: Input: l1 = [], l2 = [] Output: [] Example 3: Input: l1 = [], l2 = [0] Output: [0] Constraints: The number of nodes in both lists is in the range [0, 50].

Howard Lee is a Staff Software Engineer based in Taipei, specializing in frontend architecture, CI/CD, and production-quality engineering for enterprise web applications. With 13+ years of software development experience, Howard has worked across B2B SaaS, IoT energy-management platforms, online travel marketplaces, and Android applications. His work focuses on modernizing large frontend systems, improving delivery quality, and building reliable product workflows with automated testing, observability, and practical cloud/platform integration. Core Expertise Frontend architecture: Angular 5 to 19 modernization, TypeScript, JavaScript, React, Next.

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