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📑 1. 문제 이해 https://leetcode.com/problems/two-sum/?envType=study-plan-v2&envId=top-interview-150 Two Sum - LeetCode Can you solve this real interview question? Two Sum - Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target. You may assume that each input would have exactly one solution, and you may not leetcode.com 정렬되어 있지 않은 배열의..

📑 1. 문제 이해 https://leetcode.com/problems/evaluate-reverse-polish-notation/ Evaluate Reverse Polish Notation - LeetCode Can you solve this real interview question? Evaluate Reverse Polish Notation - You are given an array of strings tokens that represents an arithmetic expression in a Reverse Polish Notation [http://en.wikipedia.org/wiki/Reverse_Polish_notation]. Evaluate t leetcode.com 후위 표현식을 계..

📑 1. 문제 이해 https://leetcode.com/problems/min-stack/?envType=study-plan-v2&envId=top-interview-150 Min Stack - LeetCode Can you solve this real interview question? Min Stack - Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. Implement the MinStack class: * MinStack() initializes the stack object. * void push(int val) pushes t leetcode.com 이 문제는 특별한..