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https://leetcode.com/problems/best-time-to-buy-and-sell-stock/description/?envType=study-plan-v2&envId=top-interview-150 Best Time to Buy and Sell Stock - LeetCode Can you solve this real interview question? Best Time to Buy and Sell Stock - You are given an array prices where prices[i] is the price of a given stock on the ith day. You want to maximize your profit by choosing a single day to buy..

https://leetcode.com/problems/find-the-highest-altitude/description/ Find the Highest Altitude - LeetCode Can you solve this real interview question? Find the Highest Altitude - There is a biker going on a road trip. The road trip consists of n + 1 points at different altitudes. The biker starts his trip on point 0 with altitude equal 0. You are given an integ leetcode.com 문제 난이도 : Easy 문제 There..

https://www.acmicpc.net/problem/12833 12833번: XORXORXOR 세 수 A, B, C를 입력 받은 다음, ( ( ( ( A XOR B ) XOR B ) XOR B ) … ) XOR B 형태로 연산을 C회 했을 때의 결과값을 출력하는 프로그램을 작성하시오. www.acmicpc.net 문제 유형 : 비트마스크 solved.ac 난이도 : Bronze 1 문제 세 수 A, B, C를 입력 받은 다음, ( ( ( ( A XOR B ) XOR B ) XOR B ) … ) XOR B 형태로 연산을 C회 했을 때의 결과값을 출력하는 프로그램을 작성하시오. 시간 제한 : 0.2초, 메모리 : 512MB 입력 첫째 줄에 A B C가 주어진다. (0 < A, B, C < 10^9) 출..

https://leetcode.com/problems/kth-largest-element-in-an-array/description/?envType=study-plan-v2&envId=leetcode-75 Kth Largest Element in an Array - LeetCode Can you solve this real interview question? Kth Largest Element in an Array - Given an integer array nums and an integer k, return the kth largest element in the array. Note that it is the kth largest element in the sorted order, not the kt..

https://leetcode.com/problems/count-negative-numbers-in-a-sorted-matrix/description/ Count Negative Numbers in a Sorted Matrix - LeetCode Can you solve this real interview question? Count Negative Numbers in a Sorted Matrix - Given a m x n matrix grid which is sorted in non-increasing order both row-wise and column-wise, return the number of negative numbers in grid. Example 1: Input: gri leetco..

https://leetcode.com/problems/can-make-arithmetic-progression-from-sequence/description/ Can Make Arithmetic Progression From Sequence - LeetCode Can you solve this real interview question? Can Make Arithmetic Progression From Sequence - A sequence of numbers is called an arithmetic progression if the difference between any two consecutive elements is the same. Given an array of numbers arr, ret..

https://leetcode.com/problems/check-if-it-is-a-straight-line/description/ Check If It Is a Straight Line - LeetCode Can you solve this real interview question? Check If It Is a Straight Line - You are given an array coordinates, coordinates[i] = [x, y], where [x, y] represents the coordinate of a point. Check if these points make a straight line in the XY plane. leetcode.com 문제 유형 : 수학 문제 난이도 : ..

https://leetcode.com/problems/number-of-provinces/description/ Number of Provinces - LeetCode Can you solve this real interview question? Number of Provinces - There are n cities. Some of them are connected, while some are not. If city a is connected directly with city b, and city b is connected directly with city c, then city a is connected indire leetcode.com 문제 유형 : 완전 탐색 / dfs 문제 난이도 : Mediu..

https://leetcode.com/problems/minimum-path-sum/description/ Minimum Path Sum - LeetCode Can you solve this real interview question? Minimum Path Sum - Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right, which minimizes the sum of all numbers along its path. Note: You can only move either down or rig leetcode.com 문제 유형 : 다이나믹 프로그래밍 문제 난이도 : Medium Given..

https://leetcode.com/problems/design-hashset/description/ Design HashSet - LeetCode Can you solve this real interview question? Design HashSet - Design a HashSet without using any built-in hash table libraries. Implement MyHashSet class: * void add(key) Inserts the value key into the HashSet. * bool contains(key) Returns whether the value leetcode.com 문제 유형 : 해시 문제 난이도 : Easy Design a HashSet wi..