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https://leetcode.com/problems/insert-delete-getrandom-o1/description/ Insert Delete GetRandom O(1) - LeetCode Can you solve this real interview question? Insert Delete GetRandom O(1) - Implement the RandomizedSet class: * RandomizedSet() Initializes the RandomizedSet object. * bool insert(int val) Inserts an item val into the set if not present. Returns true if th leetcode.com 문제 유형 : OOP / 배열 문..

https://leetcode.com/problems/powx-n/description/ Pow(x, n) - LeetCode Can you solve this real interview question? Pow(x, n) - Implement pow(x, n) [http://www.cplusplus.com/reference/valarray/pow/], which calculates x raised to the power n (i.e., xn). Example 1: Input: x = 2.00000, n = 10 Output: 1024.00000 Example 2: Inpu leetcode.com 문제 유형 : 수학 문제 난이도 : Medium 문제 Implement pow(x, n), which cal..