Algorithm - Table of Contents

Updated 2021-03-19

Total Number of Studied Algorithms

Site	Total
codility	1
java	5
hackerrank	1
google	1
programmers	13
baekjoon	1
leetcode	46
geeksforgeeks	11

codility

• Remove String In Order (RemoveStringInOrder.java)

java

• Object Oriented Problem (Coffee.java)
• Binary Search (BinarySearch.java)
• String Permutation (StringPermutation.java)
• Maximize Num Of Things (MaximizeNumOfThings.java)
• Remove duplicate from an array of integers (LinkedList.java)

hackerrank

• 높이(height) : 루트 노드에서 가장 깊숙히 있는 노드의 깊이 (HeightOfBinaryTree.java)

google

• Balanced Parenthesis (BalancedParenthesis.java)

programmers

• 월간 코드 챌린지 시즌1 > 트리 트리오 중간값 (TreeTrioMediumValue.java)
• 월간 코드 챌린지 시즌1 > 이진 변환 반복하기 (BinaryBitOperation.java)
• 월간 코드 챌린지 시즌1 > 3진법 뒤집기 (DotProduct.java)
• 시간 초가 이슈도 있음 (Problem4.java)
• 월간 코드 챌린지 시즌1 > 두 개 뽑아서 더하기 (AddTwoIntegers.java)
• 월간 코드 챌린지 시즌1 > 3진법 뒤집기 (ConvertToTernary.java)
• 월간 코드 챌린지 시즌1 > 쿼드압축 후 개수 세기 (QuadTree.java)
• 찾아라 프로그래밍 마에스터 > 게임 맵 최단거리 (GameMapShortestPath.java)
• 42747 HIndex (HIndex.java)
• 크레인 인형뽑기 게임 - 2019 카카오 개발자 겨울 인턴쉽 (CraneDoll.java)
• 주식 가격 스택/큐 문제 (StockPrice.java)
• 더 맵게 Heap 문제 (MoreSpicy.java)
• Budget (Budget.java)

baekjoon

• 2003 : 수들의 합2 (SubSum.java)

leetcode

Difficulty	Easy	Medium	Hard
Total	29	17	0

Tags	Array	BinarySearch	BitManipulation	Etc	Graph	Hash	LinkedList	Map	Set	String	Tree	Trie
Total	3	1	1	5	2	1	6	1	1	11	11	3

Easy

• 1. Two Sum (TwoSum.java)
• 14. Longest Common Prefix (LongestCommonPrefix.java)
• 20. Valid Parentheses (IsValid.java)
• 21. Merge Two Sorted Lists (MergeTwoLists.java)
• 100. Same Tree (SameTree.java)
• 104. Maximum Depth of Binary Tree (MaxDepth.java)
• 107. Binary Tree Level Order Traversal II (LevelOrderBottom.java)
• 111. Minimum Depth of Binary Tree (MinDepth.java)
• 112. Path Sum (PathSum.java)
• 118. Pascal's Triangle (PascalTriangle.java)
• 125. Valid Palindrome (ValidPalindrome.java)
• 206. Reverse Linked List (ReverseList.java)
• 342. Power of Four (PowerOfFour.java)
• 344. Reverse String (ReverseString.java)
• 387. First Unique Character in a String (FirstUniqChar.java)
• 392. Is Subsequence (IsSubsequence.java)
• 404. Sum of Left Leaves (SumOfLeftLeaves.java)
• 409. Longest Palindrome (LongestPalindrome.java)
• 520. Detect Capital (DetectCapital.java)
• 541. Reverse String II (ReverseStr.java)
• 543. Diameter of Binary Tree (DiameterOfBinaryTree.java)
• 557. Reverse Words in a String III (ReverseWords.java)
• 704. Binary Search (Search.java)
• 705. Design HashSet (MyHashSet.java)
• 744. Find Smallest Letter Greater Than Target (FindSmallestLetterGreaterThanTarget.java)
• 874. Walking Robot Simulation (RobotSim.java)
• 876. Middle of the Linked List (MiddleNode.java)
• 1290. Convert Binary Number in a Linked List to Integer (GetDecimalValue.java)
• 1512. Number of Good Pairs (NumberOfGoodPairs.java)

Medium

• 56. Merge Intervals (MergeIntervals.java)
• 77. Combinations (Combinations.java)
• 78. Subsets (Subsets.java)
• 92. Reverse Linked List II (ReverseBetween.java)
• 102. Binary Tree Level Order Traversal (LevelOrder.java)
• 144. Binary Tree Preorder Traversal (PreorderTraversal.java)
• 147. Insertion Sort List (InsertionSortList.java)
• 200. Number of Islands (NumIslands.java)
• 208. Implement Trie (Prefix Tree) (TrieWithMap.java)
• 208. Implement Trie (Prefix Tree) (Trie.java)
• 211. Add and Search Word - Data structure design (WordDictionary.java)
• 287. Find the Duplicate Number (FindDuplicate.java)
• 394. Decode String (DecodeString.java)
• 435. Non-overlapping Intervals (EraseOverlapInterval.java)
• 560. Subarray Sum Equals K (SubarraySum.java)
• 701. Insert into a Binary Search Tree (InsertIntoBST.java)
• 1008. Construct Binary Search Tree from Preorder Traversal (BstFromPreorder.java)

geeksforgeeks

• Job Sequence 문제 (JobSequenceWithDealine.java)
• Transform String (TransformString.java)
• 최대 긴 Common Sub String 출력 (CommonSubString.java)
• 0-1 Knapsack (Knapsack.java)
• SubsetSum (SubsetSum.java)
• Graph (인접 리스트로 구현) (Graph.java)
• Minimum value of distance of farthest node in a Graph (MinFarthestDistance.java)
• Insertion Sort (InsertionSort.java)
• Look and Say Sequence (LookAndSaySequence.java)
• FractionalKnapsack (FractionalKnapsack.java)
• Left Right Rotate of String (LeftRightRotateOfString.java)