You explained important concepts in a clear and easy way, which helped me gain confidence in solving algorithm problems that I had previously found difficult.

dfvanvan2834

Even beginners can easily understand with step-by-step explanations, making coding tests clear instead of vague. Learn only what you need and apply it directly to practice!

dingcodingco

The Secret to Passing 38 Companies, Essential Algorithms for 2025 Coding Tests

코딩테스트대비

입문

초급

중급이상

파이썬

Python

Coding Test

Algorithm

자료구조

data-structure

Algorithm Pre-test

[Week 1] Time Complexity & Space Complexity

[Week 2] Array and Linked List, Binary Search Recursive Function

[Week 3] Sorting, Stack and Queue, Hash

[Week 4] Trees and Heaps, BFS and DFS and DP

[Week 5] Kakao Samsung Line Actual Past Questions Breakdown