소프트웨어에 대한 모든 것

380. Insert Delete GetRandom O(1) https://leetcode.com/problems/insert-delete-getrandom-o1/ Insert Delete GetRandom O(1) - 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) hash 자료구조 사용 getRandom()은 random.choice() 사용 class RandomizedSet: def __init__(self): ''' Initializes..