All Articles

2025

• January 31 Why DeepSeek Was Created by a Quant Firm

2020

• August 1 Why there will be no fix to H1B or EB visas

2019

• April 1 Maximization of Relative Social Welfare on Truthful Cardinal Voting Schemes
• March 18 [Interview Question] Tesla Autopilot Coding Challenge

2018

• June 20 Localization Done Right
• June 10 The Problems with C++ and the Making of Go
• June 8 [LeetCode HARD] 32 Longest Valid Parentheses
• June 8 [LeetCode HARD] 4 Median of Two Sorted Arrays
• June 7 [LeetCode HARD] 23 Merge k Sorted Lists
• June 6 [LeetCode HARD] 10 Regular Expression Matching
• March 10 [LeetCode HARD] 146 LRU Cache