Currently I am studying Computer Science in German. However, as my mother tongue is not german, so this cheatsheet is mixed up with German, English and Korean. Network Layer (Vermittlungsschicht,...

Currently I am studying Computer Science in German. However, as my mother tongue is not german, so this cheatsheet is mixed up with German, English and Korean. Data Link Layer (Sicherungsschicht,...

Currently I am studying Computer Science in German. However, as my mother tongue is not german, so this cheatsheet is mixed up with German, English and Korean. Physical Layer (Physikalische Schic...

Dynamic Programming (DP) Source: Geeks for Geeks Approach Source: Geeks for Geeks Memoization Tabulation References

Clone Graph LeetCode Problem #133 🔗 LeetCode Link 처음에 ArrayList를 사용했다가 그렇게 되면, 복사해야하는 노드랑 복사되어져야하는 노드가 뒤섞여버리는 문제가 발생하게 되었다. Node를 key랑 value 모두에 활용하는 것은 생각치도 못했던 접근법이었다. 그러나 여전히 재귀 탈출하는 조건을 설정하는...

HashSet

ArrayList Operations Complexity   Time Complexity Space Complexity insert O(1) O(n) remove O(n) O(1) ...

HashMap

Statistical Measure Summary 통계량 계산 방법 통계량 (Statistical Measure) 연속 분포 (PDF / CDF) 이산 분포 (PMF / CDF) 평균 (Mean) \(E[X] = \int_{-\infty}^{\inft...

Regular Language