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💯 Daily LeetCode Challenge Day_07 - Island Perimeter Account Login - 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 You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/vertically (not diagonally). The grid is completely surrounded by w.. 2020. 7. 7.
💯 Daily LeetCode Challenge Day_06 - Plus One Account Login - 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 Given a non-empty array of digits representing a non-negative integer, plus one to the integer. The digits are stored such that the most significant digit is at the head of the list, and each element in the array co.. 2020. 7. 7.
💯 Daily LeetCode Challenge Day_05 - Hamming Distance Explore - LeetCode LeetCode Explore is the best place for everyone to start practicing and learning on LeetCode. No matter if you are a beginner or a master, there are always new topics waiting for you to explore. leetcode.com 문제 The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming di.. 2020. 7. 6.
💯 Daily LeetCode Challenge Day_04 - Ugly Number II Account Login - 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 Write a program to find the n-th ugly number. Ugly numbers are positive numbers whose prime factors only include 2, 3, 5. Example: Input: n = 10 Output: 12 Explanation: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12 is the sequence.. 2020. 7. 6.
💯 Daily LeetCode Challenge Day_03 - Prison Cells After N Days Explore - LeetCode LeetCode Explore is the best place for everyone to start practicing and learning on LeetCode. No matter if you are a beginner or a master, there are always new topics waiting for you to explore. leetcode.com 문제 There are 8 prison cells in a row, and each cell is either occupied or vacant. Each day, whether the cell is occupied or vacant changes according to the following rules.. 2020. 7. 3.
💯 Daily LeetCode Challenge Day_02 - Binary Tree Level Order Traversal II Account Login - 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 Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root). level 에 맞게 2개씩 짝짓는다. DFS 로 풀다가 트리의 depth 별로 접근하니 BFS 인가 싶어서 Queue를 쓰는.. 2020. 7. 3.
💯 Daily LeetCode Challenge Day_01 - Arranging Coins Account Login - 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 You have a total of n coins that you want to form in a staircase shape, where every k-th row must have exactly k coins. Given n, find the total number of full staircase rows that can be formed. n is a non-negative i.. 2020. 7. 1.
LeetCode - 15. 3Sum 3Sum - 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 Given an array nums of n integers, are there elements a, b, c in nums such that a + b + c = 0? Find all unique triplets in the array which gives the sum of zero. Note: The solution set must not contain duplicate triplets. Ex.. 2020. 6. 1.
LeetCode - 53. Maximum Subarray Maximum Subarray - 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 Given an integer array nums, find the contiguous subarray (containing at least one number) which has the largest sum and return its sum. Example: Input: [-2,1,-3,4,-1,2,1,-5,4], Output: 6 Explanation: [4,-1,2,1] .. 2020. 5. 28.
LeetCode - 146. LRU Cache LRU Cache - 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 Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and put. get(key) - Get the value (will always be positive) of the key if the key exists in the .. 2020. 5. 26.
Leetcode - 2. Add Two Sum Add Two Numbers - 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 You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked.. 2020. 5. 25.
Leetcode - 226 . Invert Binary Tree [Must do Easy Question] How to effectively use LeetCode to prepare for interviews!! - LeetCode Discuss 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 Invert Binary Tree - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get pr.. 2020. 4. 20.
Leetcode - 205. Isomorphic Strings [Must do Easy Question] How to effectively use LeetCode to prepare for interviews!! - LeetCode Discuss 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 Isomorphic Strings - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get pr.. 2020. 4. 17.
Leetcode - 371 . Sum of Two Integers [Must do Easy questions] How to effectively use LeetCode to prepare for interviews!! - LeetCode Discuss 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 Sum of Two Integers - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get .. 2020. 4. 14.
Leetcode - 108 . Convert Sorted Array to Binary Search Tree [Must do Easy Question] How to effectively use LeetCode to prepare for interviews!! - LeetCode Discuss 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 Convert Sorted Array to Binary Search Tree - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand y.. 2020. 4. 10.
Leetcode - 242 . Valid Anagram How to effectively use LeetCode to prepare for interviews!! - LeetCode Discuss 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 Valid Anagram - 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 intervie.. 2020. 4. 10.
LeetCode-202. Happy Number [Must Do Question - Easy] How to effectively use LeetCode to prepare for interviews!! - LeetCode Discuss 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 https://leetcode.com/problems/happy-number/ Happy Number - LeetCode Level up your coding skills and quickly land a job. This is the best p.. 2020. 4. 5.
LeetCode - 169. Majority Element How to effectively use LeetCode to prepare for interviews!! - LeetCode Discuss 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 https://leetcode.com/problems/majority-element/ Majority Element - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand you.. 2020. 4. 4.
LeetCode - 155.Min Stack (JVM 의 메모리 Saving 이슈) [Must-do Easy Question] 시리즈 How to effectively use LeetCode to prepare for interviews!! - LeetCode Discuss 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 https://leetcode.com/problems/min-stack/ Min Stack - LeetCode Level up your coding skills and quickly land a job. This is the best place.. 2020. 4. 3.
LeetCode - 141.Linked List Cycle [Must-do Easy Question] 시리즈 How to effectively use LeetCode to prepare for interviews!! - LeetCode Discuss 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 https://leetcode.com/problems/linked-list-cycle/ Linked List Cycle - LeetCode Level up your coding skills and quickly land a job. This i.. 2020. 4. 1.
LeetCode - 21.Merge Two Sorted Lists [Must-do Easy Question] 시리즈 How to effectively use LeetCode to prepare for interviews!! - LeetCode Discuss 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 Merge Two Sorted Lists - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge an.. 2020. 4. 1.

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