Dongchan Alex Kim

Dongchan Kim | System Design & Architecture

System Design & Architecture-focused Fullstack Engineer with extensive experience in scripting (Js/Python/Bash) and core Computer Science algorithms. Skilled in diagnosing critical performance bottlenecks, evidenced by achieving less than 50ms frame variance in multi-device XR environments through custom drift-correction algorithms.

  • ๐Ÿ† MIT Reality Hack 2026 โ€” Grand Prize (Gold Award) Winner
  • ๐Ÿฅ‡ MIT Reality Hack 2026 โ€” Meta Track Winner
  • ๐ŸŒ Scheduled to attend AWE USA 2026 (World's #1 XR + AI Event)
Algorithm
Latest

Priority Queue & Heap

Priority Queue

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Recent posts

Algorithm

Binary Search Trees

11 minute read

BinarySearchTree๋Š” ์‚ฝ์ž…, ์‚ญ์ œ, ๊ฒ€์ƒ‰์—์„œ ํ‰๊ท ์ ์œผ๋กœ O(log n)์˜ ์‹œ๊ฐ„ ๋ณต์žก๋„๋ฅผ ๊ฐ€์ง„๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ์ตœ์•…์˜ ๊ฒฝ์šฐ์—๋Š” O(n) ์‹œ๊ฐ„ ๋ณต์žก๋„๋ฅผ ๊ฐ€์งˆ ์ˆ˜ ์žˆ๋‹ค. ์ด๋Š” Array, ArrayList, LinkedList์˜ ํ‰๊ท  O(n) ์„ฑ๋Šฅ๋ณด๋‹ค ํ›จ์”ฌ ์ข‹๋‹ค.

Algorithm

Binary Trees

7 minute read

Understand binary-tree concepts and important properties, such as the Binary Tree Theorem and the External Path Length Theorem. Be able to perform various traversals of a binary tree.