Handwrite libraries to help understand basic data structure and algorithm
Main conception language are C# and Python.
Linked problem URL in each comment.
- Beautiful Numbers
- Review Inherit(abstruct, virtual, override)
- Facebook Screening Round
- 3Sum
- Absolute Permutation
- ACM ICPC Team
- Add Tow Numbers
- Almost Sorted
- Append and Delete
- Bigger is Greater
- Binary Search
- Cavity Map
- Change in a Foreign Currency
- Climbing the Leaderboard
- Combination Sum
- Container with Most Water
- Day of the Programmer
- Designer PDF Viewer
- Element Swapping
- Encryption
- Extra Long Factorials
- Fair Rations
- Find Strings
- First Missing Positive
- Happy Ladybugs
- Highest Value Palindrome
- Jumping on the Clouds
- Longest Palindrome
- Lowest Common Ancestor of a Binary Tree
- Matrix Layer Rotation
- Maximum Sum BST in Binary Tree
- Median of Two Sorted Arrays
- Minimizing Permutations
- Minimum Loss
- Minimum Path Sum
- N Queens
- New Year Chaos
- Non-Divisible Subset
- Organizing Containers of Balls
- Palindrome Partitioning
- Palindrome Partitioning II
- Permutations
- Permutations II
- Picking Numbers
- Populating Next Right Pointers in Each Node
- Pow xn
- Queens Attack 2
- Queue Removals
- Reverse Linked List II
- Reverse Operations
- Rotational Cipher
- Running Time of Algorithms
- Search a 2D Matrix II
- Serialize and Deserialize Binary Tree
- Short Palindrome
- Strange Counter
- String to Integer (atio)
- The Bomberman Game
- The Full Counting Sort
- The Grid Search
- The Time in Words
- Unique Binary Search Trees II
- Unique Binary Search Trees
- UniquePaths
- Word Ladder
ONLY listed medimum and hard lever script.
All script based on MS SQL Server if do not have any special comment.
eg. ROUND, MOD function on Oracle and Mysql can return the correct result as Hackerrank gives.
- 15 Days of Learning SQL
- Binary Tree Nodes
- Challenges
- Companies
- Contest Leaderboard
- Interviews
- Occupations
- Ollivanders Inventory
- Placements
- Print Prime Numbers
- Projects
- SQL Project Planning
- Symmetric Pairs
- The PADS
- The Report
- Top Competitors
- Weather Obervation Station 1
- Weather Obervation Station 2
- Weather Obervation Station 3
- Weather Obervation Station 4
- Weather Obervation Station 5
- Weather Obervation Station 6
- Weather Obervation Station 7
- Weather Obervation Station 8
- Weather Obervation Station 9
- Weather Obervation Station 10
- Weather Obervation Station 11
- Weather Obervation Station 12
- Weather Obervation Station 13
- Weather Obervation Station 14
- Weather Obervation Station 15
- Weather Obervation Station 16
- Weather Obervation Station 17
- Weather Obervation Station 18
- Weather Obervation Station 19
- Weather Obervation Station 20
Platform based on Python 3.9