소프트웨어에 대한 모든 것

1342. Number of Steps to Reduce a Number to Zero https://leetcode.com/problems/number-of-steps-to-reduce-a-number-to-zero/ Number of Steps to Reduce a Number to Zero - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com 문제) 솔루션1) 모듈레이션 연산을 수행해서 나머지가 0이면 even, 아니면 odd even이면 나누기 2 연산, 아..

https://leetcode.com/problems/valid-parentheses/ Valid Parentheses - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com 문제) 풀이 전략) 스택 자료구조 이용 솔루션1) class Solution: def isValid(self, s: str) -> bool: end_parentheses = [')', ']', '}'] stack = [] stack.append(s[0]) for c in s[1:]: if c i..