programmer life guidance 101

https://leetcode.com/problems/longest-substring-without-repeating-characters/ Longest Substring Without Repeating Characters - 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 string s, find the length of the longest substring without repeating characters. Example 1: Inpu..

leetcode.com/problems/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 a data structure that follows the constraints of a Least Recently Used (LRU) cache. Implement the LRUCache class: LRUCache(int capacity) Initialize the LRU cache with positive siz..

leetcode.com/problems/binary-tree-zigzag-level-order-traversal/ Binary Tree Zigzag Level Order Traversal - 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 zigzag level order traversal of its nodes' values. (ie, from left to right, then right to le..

leetcode.com/problems/valid-sudoku/ Valid Sudoku - 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 Determine if a 9x9 Sudoku board is valid. Only the filled cells need to be validated according to the following rules: Each row must contain the digits 1-9 without repetition. Each..

leetcode.com/problems/sudoku-solver/submissions/ Sudoku Solver - 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 solve a Sudoku puzzle by filling the empty cells. A sudoku solution must satisfy all of the following rules: Each of the digits 1-9 must occur exac..

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 your knowledge and get prepared for your next interview. leetcode.com 문제 Given an array of size_n_, find the majority element. The majority element is the element that appearsmore than⌊ n/2 ⌋times. You may assume that the array is non-empty and ..

leetcode.com/problems/next-permutation/ Next Permutation - 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 Implementnext permutation, which rearranges numbers into the lexicographically next greater permutation of numbers. If such arrangement is not possible, it must rearrange i..