코딩 테스트 공부 저장용입니다 #reference LeetCode : https://leetcode.com/ Programmers : https://programmers.co.kr/learn/challenges codlity : https://www.codility.com/ advent of code : https://adventofcode.com/ leetcode progress # Title Difficulty code Blog 1 TwoSum easy leetcode_1.cpp - 2 Add Two Numbers medium leetcode_2.cpp - 6 ZigZag Conversion medium leetcode_6.cpp - 8 String to Integer (atoi) medium leetcode_8.cpp - 9 Palindrome Number easy leetcode_9.cpp - 11 Container With Most Water medium leetcode_11.cpp - 13 Roman to Integer easy leetcode_13.cpp - 14 Longest Common Prefix easy leetcode_14.cpp - 16 3Sum Closest medium leetcode_16.cpp - 17 Letter Combinations of a Phone Number medium leetcode_17.cpp - 20 Valid Parentheses easy leetcode_20.cpp - 21 Merge Two Sorted Lists easy leetcode_21.cpp - 26 Remove Duplicates from Sorted Array easy LeetCode.h - 27 Remove Element easy LeetCode.h - 28 Implement strStr() easy LeetCode.h - 35 Search Insert Position easy LeetCode.h - 38 Count and Say medium leetcode_38.cpp - 39 Combination Sum medium leetcode_39.cpp - 49 Group Anagrams easy leetcode_49.cpp - 53 Maximum Subarray easy LeetCode.h 풀이 58 Length of Last Word easy LeetCode.h - 66 Plus One easy LeetCode.h - 67 Add Binary easy LeetCode.h - 69 Sqrt(x) easy LeetCode.h - 70 Climbing Stairs easy LeetCode.h - 83 Remove Duplicates from Sorted List easy LeetCode.h - 88 Merge Sorted Array easy leetcode_88.cpp - 94 Binary Tree Inorder Traversal easy LeetCode.h - 95 Unique Binary Search Trees II medium LeetCode.h - 100 Same Tree easy LeetCode.h - 101 Symmetric Tree easy LeetCode.h - 104 Maximum Depth of Binary Tree easy LeetCode.h - 108 Convert Sorted Array to Binary Search Tree easy LeetCode.h - 110 Balanced Binary Tree easy LeetCode.h - 111 Minimum Depth of Binary Tree easy LeetCode.h - 112 Path Sum easy LeetCode.h - 118 Pascal's Triangle easy LeetCode.h - 119 Pascal's Triangle II easy LeetCode.h - 121 Best Time to Buy and Sell Stock easy LeetCode.h - 122 Best Time to Buy and Sell Stock II easy LeetCode.h - 125 Valid Palindrome easy LeetCode.h - 136 Single Number easy LeetCode.h 풀이 141 Linked List Cycle easy leetcode_141.cpp - 144 Binary Tree Preorder Traversal easy leetcode_144.cpp - 145 Binary Tree Postorder Traversal easy leetcode_145.cpp - 155 Min Stack easy leetcode_155.cpp - 160 Intersection of Two Linked Lists easy leetcode_160.cpp - 167 Two Sum II - Input array is sorted easy leetcode_167.cpp - 168 Excel Sheet Column Title easy leetcode_168.cpp - 169 Majority Element easy leetcode_169.cpp - 171 Excel Sheet Column Number easy leetcode_171.cpp - 172 Factorial Trailing Zeroes easy leetcode_172.cpp - 190 Reverse Bits easy leetcode_190.cpp - 191 Number of 1 Bits easy leetcode_191.cpp - 202 Happy Number easy leetcode_203.cpp - 203 Remove Linked List Elements easy leetcode_203.cpp - 205 Isomorphic Strings easy leetcode_205.cpp - 290 Word Pattern easy leetcode_290.cpp - 421 Maximum XOR of Two Numbers in an Array medium leetcode_421.cpp - 530 Minimum Absolute Difference in BST easy LeetCode.h - 693 Binary Number with Alternating Bits easy LeetCode.h - 704 Binary Search easy leetcode_704.cpp - 1073 Adding Two Negabinary Numbers medium LeetCode.h - 1089 Duplicate Zeros easy leetcode_1089.cpp - 1334 Find the City With the Smallest Number of Neighbors at a Threshold Distance medium LeetCode.h - 1375 Bulb Switcher III medium LeetCode.h - 1394 Find Lucky Integer in an Array easy LeetCode.h - 1408 String Matching in an Array easy LeetCode.h - 1413 Minimum Value to Get Positive Step by Step Sum easy leetcode_1413.cpp 풀이 1878 Get Biggest Three Rhombus Sums in a Grid Medium LeetCode.h - 1881 Maximum Value after Insertion easy LeetCode.h 풀이 1882 Process Tasks Using Servers Medium LeetCode.h 풀이 1886 Determine Whether Matrix Can Be Obtained By Rotation easy LeetCode.h - 1887 Reduction Operations to Make the Array Elements Equal Medium LeetCode.h - 1888 Minimum Number of Flips to Make the Binary String Alternating Medium LeetCode.h 풀이 1899 Merge Triplets to Form Target Triplet medium leetcode_1899.cpp 풀이 1904 The Number of Full Rounds You Have Played medium leetcode_1904.cpp -