소프트웨어에 대한 모든 것

389. Find the Difference https://leetcode.com/problems/find-the-difference/ Find the Difference - 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) HashMap 각각의 해쉬맵 구성. 원래 문자의 hashmap에서 random 생성된 문자 해쉬맵을 하나씩 제거해나가서 최종적으로 남은 것이 추가된 문자가됩니다. class Solution: def findTheDifferen..

1742. Maximum Number of Balls in a Box https://leetcode.com/problems/maximum-number-of-balls-in-a-box/ Maximum Number of Balls in a Box - 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 제목 문제) 솔루션1) class Solution: def countBalls(self, lowLimit: int, highLimit: int) -> int: d = def..

2053. Kth Distinct String in an Array https://leetcode.com/problems/kth-distinct-string-in-an-array/ Kth Distinct String in an Array - 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) dict 사용 class Solution: def kthDistinct(self, arr: List[str], k: int) -> str: d = {} for ..