Design on Rik Kisnah - Bloghttps://www.rik-kisnah.ai/tags/design/Recent content in Design on Rik Kisnah - BlogHugoenTue, 21 Apr 2020 09:00:00 -0700Min Stackhttps://www.rik-kisnah.ai/teach/coding/min-stack/Tue, 21 Apr 2020 09:00:00 -0700https://www.rik-kisnah.ai/teach/coding/min-stack/A stack that can tell you its smallest element instantly, at any moment. The answer is a second stack that remembers the smallest so far. Pay a little memory on every push to make one question free.