May 2022
Beginner to intermediate
296 pages
5h 54m
Korean
Content preview from 똑똑한 코드 작성을 위한 실전 알고리즘
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
99
3
장
해싱
코드
3-7
Hashtable
의 분리 연쇄법을 위한
remove
()
함수
def remove(self, k):
hc = hash(k) % self.M
entry = self.table[hc]
➊
prev = None
while entry:
➋
if entry.key == k:
➌
if prev:
prev.next = entry.next
➍
else:
self.table[hc] = entry.next
➎
self.N -= 1
➏
return entry.value
prev, entry = entry, entry.next
➐
return None
➊
self.table[hc]
는 배열에서 해시 코드
hc
인덱스에 있는 연결 리스트 내 첫 번째 엔트리를 참조한다.
➋
연결 리스트에 엔트리가 있는 한 순회를 계속한다.
➌
entry
의
key
값과 목푯값
k
를 비교해 제거할 엔트리를 찾는다.
➍
제거할 엔트리를 찾은 경우,
prev
참조가 있다면 제거할 엔트리의
entry
다음(
next
)과 연결한다.
➎
prev
참조가 없다면
entry
는 첫 노드다.
self.table[hc]
가 연결 리스트 내 두 번째 노드를 가리키도록 설정한다.
➏
엔트리 수
N
을 감소한다. 제거되는 엔트리와 연관된 값을 반환하는 것은 일반적이다.
➐
키를 찾지 못했다면
prev
를
entry ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.