https://www.reddit.com/r/leetcode/comments/w26u7o/could_someone_please_explain_the_difference_in/ https://www.reddit.com/r/MLQuestions/comments/wz7s5h/can_someone_explain_time_complexity_and_what_doe/ r/MLQuestions on Reddit: Can someone explain time complexity and what doe sit has to do with data structures like LinkedList and Posted by u/Important-Asparagus9 - 1 vote and 4 comments www.reddit...

LeetCode-819 Most Common Word : 금지된 단어를 제외한 가장 많은 빈도의 단어 추출 Info : 대소 문자, 구두점 무시class Solution: def mostCommonWord(self, paragraph: str, banned: List[str]) -> str: return Counter([word for word in re.sub("[^a-z]", ' ',paragraph.lower()).split() if word not in banned]).most_common(1)[0][0] Result : 28 Memory: 13.9mb

LeetCode-937 Reorder_Data_in_LogFile : reorder log files 첫번째 문자 식별자 ex) "dig2 a","dig1 b"-> "a","b"Myanswerclass Solution: def reorderLogFiles(self, logs: List[str]) -> List[str]: let = [] digit = [] for i in logs: if i.split()[1].isdigit()==False: let.append(i) else: digit.append(i) let.sort(key = lambda x: (x.split()[1:], x.split()[0])) #digit.sort(key = lambda x: x.split()[1:],reverse=True) r..

vscode editor로 코딩을 많이 하다보니 포스팅할 때 코드 블럭을 만들어주는 일이 너무 귀찮아서 마크다운 자동변환과 Tstory에 바로 포스팅이 되도록 개발하고 있다. using python-markdown for posting Tstory python2Markdown.py [span code block & markdown] LeetCode-0 subject : info sub {code} Result : 0 Memory: 0mb

LeetCode-344 ReverseString : 문자열 리스트 뒤집기 리턴 없이 리스트 내부의 주소 값이 변하도록 my answer class Solution: def reverseString(self, s: List[str]) -> None: """ Do not return anything, modify s in-place instead. """ for i in range(len(s)): s.append(s.pop(-i-1)) Result : 394 Memory: 18.4mb 1. 투 포인트 스왑 {code} Result : 205 Memory: 18.5mb

using Slicing leetcode-125 + 정규식 사용import re import collections class Solution: def isPalindrome(self, s: str) -> bool: s = s.lower() s = re.sub('[^a-z0-9]','',s) return s == s[::-1] # reverse Result : 46ms Memory: 15.7mb