README.md

Algorithms

ID	Blog	Solutions	Diffculty	Tags
Next-Node-on-Its-Right	Next Node on Its Right	1 .cpp	MEDIUM	BFS
Just-Average	Just Average	1 .py	EASY	MATH
Number-of-Islands	Number of Islands	1 .py	MEDIUM	DFS
N-Rooks	N Rooks	1 .py	EASY	MATH
The-Auditor	The Auditor	1 .py	MEDIUM	MATH
As-Before-Bs	As Before Bs	1 .cpp	MEDIUM	DP
Largest-Anagram-Group	Largest Anagram Group	1 .py	MEDIUM	HASH TABLE
123-Number-Flip	123 Number Flip	1 .py	EASY	GREEDY MATH
Swap-Consecutive-Pair-of-Even-Numbers	Swap Consecutive Pair of Even Numbers	1 .cpp	EASY	SWAP ARRAY
Shipping-and-Receiving	Shipping and Receiving	1 .py	MEDIUM	GRAPH
Interval-Overlaps	Interval Overlaps	1 .py	MEDIUM	MATH TWO POINTER
camelCase	camelCase	1 .cpp	EASY	STRING
Repeating-String	Repeating String	1 .cpp	EASY	STRING
Subsequence-Strings	Subsequence Strings	1 .cpp	MEDIUM	STRING
Interleaved-String	Interleaved String	1 .py	EASY	STRING
Largest-Difference-Between-Node-and-a-Descendant	Largest Difference Between Node and a Descendant	1 .cpp	MEDIUM	DFS
Arithmetic-Sequences	Arithmetic Sequences	1 .cpp	MEDIUM	DP
Longest-Prefix-that-Is-a-Suffix	Longest Prefix that Is a Suffix	1 .cpp	HARD	ROLLING HASH
Leaderboard	Leaderboard	1 .py	EASY	HASH TABLE
Sum-of-Two-Numbers-Less-Than-Target	Sum of Two Numbers Less Than Target	1 .py	EASY	MATH TWO POINTER
Poly-Knapsack	Poly Knapsack	1 .py	MEDIUM	DP
Counting-Maximal-Value-Roots-in-Binary-Tree	Counting Maximal Value Roots in Binary Tree	2 .py .cpp	EASY	DFS
Sudoku-Validator	Sudoku Validator	1 .py	MEDIUM	HASH TABLE
Rod-Cutting	Rod Cutting	1 .py	MEDIUM	DP
Rate-Limiter	Rate Limiter	1 .py	EASY	QUEUE
Diagonal-Tree-Traversal	Diagonal Tree Traversal	1 .cpp	MEDIUM	DFS
Leaves-in-Same-Level	Leaves in Same Level	1 .py	MEDIUM	BFS
Atbash-Cipher	Atbash Cipher	1 .cpp	EASY	STRING
Most-Frequent-Number-in-Intervals	Most Frequent Number in Intervals	1 .py	EASY	LINE SWEEPING
Linked-List-Delete-Last-Occurrence-of-Value	Linked List Delete Last Occurrence of Value	1 .py	MEDIUM	SEARCH
Sum-of-the-digits	Sum of the digits	1 .cpp	EASY	RECURSIVE MATH
Sum-of-Nodes-with-Even-Grandparent-Values	Sum of Nodes with Even Grandparent Values	1 .cpp	MEDIUM	DFS
Left-Side-View-of-a-Tree	Left Side View of a Tree	2 .py .cpp	MEDIUM	BFS
Column-Sort	Column Sort	1 .cpp	EASY	SORT MATRIX
Leaf-Equivalent-Trees	Leaf Equivalent Trees	1 .py	MEDIUM	DFS
Sum-of-Three-Numbers	Sum of Three Numbers	1 .cpp	MEDIUM	TWO POINTER
Largest-Elements-in-Their-Row-and-Column	Largest Elements in Their Row and Column	1 .py	EASY	MATH
Length-of-Longest-Balanced-Subsequence	Length of Longest Balanced Subsequence	1 .py	MEDIUM	STRING STACK
Packing-Boxes	Packing Boxes	1 .py	MEDIUM	ONE-LINER
Factorial-Sum	Factorial Sum	1 .cpp	MEDIUM	GREEDY MATH
Linked-List-Jumps	Linked List Jumps	2 .py .cpp	EASY	RECURSION
Run-Length-Encoding	Run Length Encoding	1 .py	EASY	STRING
Longest-Tree-Path	Longest Tree Path	1 .py	MEDIUM	DFS RECURSION
Z-Sum	Z Sum	1 .py	EASY	MATH
Pairwise-Linked-List-Swap	Pairwise Linked List Swap	1 .py	MEDIUM	RECURSION
Search-in-a-Binary-Search-Tree	Search in a Binary Search Tree	1 .py	MEDIUM	RECURSION
Recursive-Index	Recursive Index	1 .cpp	EASY	SIMULATION
Longest-Common-Prefix	Longest Common Prefix	1 .py	EASY	STRING
Rotation-of-Another-String	Rotation of Another String	1 .py	EASY	STRING
Split-List	Split List	1 .cpp	EASY	SUFFIX PREFIX SUM
Making-Change	Making Change	1 .py	MEDIUM	GREEDY MATH
Triangle-Triplets	Triangle Triplets	1 .py	MEDIUM	TWO POINTER
Sliding-Window-Max	Sliding Window Max	1 .cpp	HARD	QUEUE
Collecting-Disappearing-Coins	Collecting Disappearing Coins	1 .py	MEDIUM	DP
Count-Substrings-With-All-1s	Count Substrings With All 1s	1 .py	MEDIUM	MATH
Word-Formation	Word Formation	1 .cpp	EASY	HASH TABLE
Valid-N-Queens	Valid N Queens	1 .cpp	MEDIUM	HASH TABLE
Sentence-Reversal	Sentence Reversal	1 .py	MEDIUM	STRING
Back-to-Front-Linked-List	Back to Front Linked List	1 .cpp	MEDIUM	RECURSION
Danny-Heap	Danny Heap	1 .cpp	EASY	HEAP
Only-Child	Only Child	1 .cpp	MEDIUM	BFS
Sum-of-the-Deepest-Nodes	Sum of the Deepest Nodes	1 .py	MEDIUM	BFS
Tree-Sum	Tree Sum	1 .py	MEDIUM	BFS
N-Queens-Puzzle	N Queens Puzzle	1 .py	HARD	DFS
Paint-Bucket	Paint Bucket	1 .cpp	MEDIUM	BFS
Unique-Occurrences	Unique Occurrences	1 .py	MEDIUM	HASH TABLE
Recurring-Character	Recurring Character	1 .py	EASY	HASH TABLE
Longest-Increasing-Subsequence	Longest Increasing Subsequence	1 .py	MEDIUM	GREEDY
Max-Product-of-Two-Numbers	Max Product of Two Numbers	1 .py	EASY	MATH
Making-List-Values-Equal	Making List Values Equal	1 .cpp	EASY	MATH
Minimum-Cost-Sort	Minimum Cost Sort	1 .cpp	EASY	SORT
Longest-Increasing-Path	Longest Increasing Path	1 .py	HARD	DP
Kth-Smallest-in-a-Binary-Search-Tree	Kth Smallest in a Binary Search Tree	1 .cpp	MEDIUM	DFS
Maximum-Non-Adjacent-Tree-Sum	Maximum Non Adjacent Tree Sum	1 .py	MEDIUM	DP
A-Strictly-Increasing-Linked-List	A Strictly Increasing Linked List	1 .py	EASY	LINKED LIST
Fixed-Point	Fixed Point	1 .py	EASY	BINARY SEARCH
Complete-an-Arithmetic-Sequence	Complete an Arithmetic Sequence	1 .py	EASY	MATH
Tree-From-PreInorder-Traversals	Tree From PreInorder Traversals	1 .py	MEDIUM	RECURSION
Surrounded-Islands	Surrounded Islands	1 .py	MEDIUM	DFS
Base-3-to-Integer	Base 3 to Integer	1 .cpp	EASY	MATH
Odd-Number-of-Digits	Odd Number of Digits	1 .py	EASY	MATH
A-Flight-of-Stairs	A Flight of Stairs	1 .py	MEDIUM	DP
Remove-Half-of-the-List	Remove Half of the List	1 .py	MEDIUM	GREEDY
Linked-List-to-Integer	Linked List to Integer	1 .cpp	EASY	MATH LINKED LIST
Kth-Last-Node-of-a-Linked-List	Kth Last Node of a Linked List	1 .cpp	MEDIUM	LINKED LIST
Robinhood	Robinhood	1 .cpp	EASY	MATH
Minimax-Tree	Minimax Tree	1 .cpp	MEDIUM	DFS
String-Clockwise-Shift	String Clockwise Shift	1 .py	EASY	STRING
Inorder-Successor	Inorder Successor	1 .py	MEDIUM	BST
Large-to-Small-Sort	Large to Small Sort	1 .cpp	EASY	SORT TWO POINTER ARRAY
Knight-Moves-to-Target-Coordinate	Knight Moves to Target Coordinate	1 .py	MEDIUM	DP
Points-on-a-Line	Points on a Line	1 .py	HARD	HASH TABLE MATH
Diagonal-Sort	Diagonal Sort	1 .cpp	MEDIUM	SORT
Reverse-Graph	Reverse Graph	1 .cpp	MEDIUM	GRAPH
Palindrome-Linked-List	Palindrome Linked List	2 .py .cpp	MEDIUM	RECURSION LINKED LIST STACK
Beer-Bottles	Beer Bottles	1 .py	EASY	MATH
Eat-Bananas-in-K-Hours	Eat Bananas in K Hours	1 .py	MEDIUM	BINARY SEARCH
Number-of-Hops	Number of Hops	1 .cpp	MEDIUM	GREEDY
Longest-Consecutive-Run-of-1s-in-Binary	Longest Consecutive Run of 1s in Binary	1 .py	MEDIUM	BIT
Split-Product	Split Product	1 .cpp	MEDIUM	GREEDY
Make-Strings-Same	Make Strings Same	1 .cpp	EASY	HASH TABLE STRING
Unlock-Rooms	Unlock Rooms	1 .py	MEDIUM	DFS
Sort-a-Linked-List	Sort a Linked List	1 .py	MEDIUM	RECURSION MERGE SORT
Binary-Matrix-Leftmost-One	Binary Matrix Leftmost One	1 .py	MEDIUM	MATH
No-New-Friends	No New Friends	1 .py	MEDIUM	GRAPH
Level-Order-Binary-Search-Tree-to-Linked-List	Level Order Binary Search Tree to Linked List	1 .cpp	MEDIUM	BFS
Flip-to-Zeros	Flip to Zeros	1 .py	EASY	MATH
Candy-Race	Candy Race	1 .py	HARD	DP
Leftmost-Deepest-Tree-Node	Leftmost Deepest Tree Node	1 .py	MEDIUM	BFS
3-and-7	3 and 7	1 .py	EASY	MATH RECURSION
Number-of-Unique-Binary-Search-Trees	Number of Unique Binary Search Trees	1 .py	MEDIUM	MATH DP
Swap-Characters-to-Equalize-Strings	Swap Characters to Equalize Strings	1 .py	EASY	HASH TABLE STRING
Line-of-People	Line of People	1 .py	EASY	MATH
Sum-Tree	Sum Tree	2 .cpp	MEDIUM	BFS RECURSION DFS QUEUE
IP-Address	IP Address	1 .py	EASY	STRING
Number-of-Quadruplets-That-Sum-Target	Number of Quadruplets That Sum Target	1 .py	MEDIUM	HASH TABLE
Index-with-Equal-Left-and-Right-Sums	Index with Equal Left and Right Sums	1 .py	EASY	PREFIX SUM
A-unique-string	A unique string	1 .cpp	EASY	HASH TABLE STRING
Univalue-Tree	Univalue Tree	1 .py	MEDIUM	BFS
Trie	Trie	1 .cpp	MEDIUM	TRIE
FizzBuzz	FizzBuzz	1 .py	EASY	ARRAY
Lowest-Sum-of-Pair-Larger-than-Target	Lowest Sum of Pair Larger than Target	1 .py	MEDIUM	MATH TWO POINTER
Equivalent-Value-and-Frequency	Equivalent Value and Frequency	2 .py .cpp	EASY	HASH TABLE
Sort-List-by-Reversing-Once	Sort List by Reversing Once	1 .py	MEDIUM	SORT TWO POINTER
Flight-Itinerary	Flight Itinerary	1 .py	MEDIUM	GRAPH
Minimum-Distance-of-Two-Words-in-a-Sentence	Minimum Distance of Two Words in a Sentence	1 .py	EASY	STRING
Index-into-an-Infinite-String	Index into an Infinite String	2 .py .cpp	EASY	MATH STRING
Unobstructed-Buildings	Unobstructed Buildings	1 .py	EASY	STACK
List-Equality-with-Increments	List Equality with Increments	1 .py	EASY	ARRAY
Subtree-with-Maximum-Value	Subtree with Maximum Value	1 .py	MEDIUM	DFS RECURSION
Sudoku-Solver	Sudoku Solver	1 .py	MEDIUM	DFS
Sort-List-by-Hamming-Weight	Sort List by Hamming Weight	1 .cpp	EASY	MATH
Sum-of-Two-Numbers-in-BSTs	Sum of Two Numbers in BSTs	1 .cpp	MEDIUM	DFS BINARY SEARCH
Maximize-Social-Distancing	Maximize Social Distancing	1 .cpp	EASY	MATH ARRAY
Island-Shape-Perimeter	Island Shape Perimeter	1 .py	MEDIUM	MATH
Compress-String	Compress String	1 .py	EASY	STRING
K-Numbers-Greater-Than-or-Equal-to-K	K Numbers Greater Than or Equal to K	1 .py	EASY	BINARY SEARCH
Largest-Island-Area	Largest Island Area	1 .py	MEDIUM	DFS
Penny-for-Your-Thoughts	Penny for Your Thoughts	1 .cpp	EASY	STRING
Buying-Cars	Buying Cars	1 .py	EASY	GREEDY
Reverse-Words	Reverse Words	1 .py	EASY	STRING
A-Number-and-Its-Triple	A Number and Its Triple	1 .cpp	EASY	HASH TABLE
Tree-Traversal	Tree Traversal	1 .cpp	MEDIUM	STACK
ASCII-String-to-Integer	ASCII String to Integer	1 .cpp	EASY	STRING
Interleaved-Linked-List	Interleaved Linked List	1 .cpp	MEDIUM	RECURSION
Largest-Product-of-Contiguous-Digits	Largest Product of Contiguous Digits	1 .py	EASY	SLIDING WINDOW
Repeated-K-Length-Substrings	Repeated K Length Substrings	2 .py .cpp	EASY	HASH TABLE STRING SLIDING WINDOW
Sliding-Window-Product	Sliding Window Product	1 .cpp	MEDIUM	MATH
Almost-Same-Strings	Almost Same Strings	1 .py	MEDIUM	HASH TABLE
Add-Linked-Lists	Add Linked Lists	1 .py	MEDIUM	MATH
Multiple-Coin-Flips	Multiple Coin Flips	1 .py	MEDIUM	DP
Cutting-Binary-Search-Tree	Cutting Binary Search Tree	1 .py	MEDIUM	BST RECURSION
Verify-Max-Heap	Verify Max Heap	1 .py	EASY	HEAP
Insertion-Index-in-Sorted-List	Insertion Index in Sorted List	1 .py
Longest-Substring-with-Character-Count-of-at-Least-K	Longest Substring with Character Count of at Least K	1 .py	MEDIUM	DIVIDE-AND-CONQUER
Matrix-Prefix-Sum	Matrix Prefix Sum	2 .py .cpp	EASY	MATH PREFIX SUM
K-and-K	K and K	1 .py	EASY	HASH TABLE
Unique-Ab-Strings	Unique Ab Strings	1 .py	EASY	MATH
Linked-List-Union	Linked List Union	1 .py	MEDIUM	RECURSION
Convert-to-Full-Binary-Tree	Convert to Full Binary Tree	1 .cpp	MEDIUM	DFS RECURSION
Vertical-Lines-in-Binary-Tree	Vertical Lines in Binary Tree	1 .py	EASY	BFS
Anagram-Substrings	Anagram Substrings	1 .py	MEDIUM	SLIDING WINDOW
Longest-Strictly-Increasing-Then-Decreasing-Sublist	Longest Strictly Increasing Then Decreasing Sublist	1 .py	MEDIUM	DP
String-Sequence	String Sequence	1 .cpp	EASY	MEMOIZATION RECURSION
Number-of-Bits	Number of Bits	1 .py	EASY	MATH
Vigenere-Cipher	Vigenere Cipher	1 .cpp	EASY	STRING
Maximum-Number-by-Inserting-Five	Maximum Number by Inserting Five	1 .py	EASY	MATH
Central-Linked-List	Central Linked List	1 .py	MEDIUM	TWO POINTER
Consecutive-Ones	Consecutive Ones	1 .cpp	EASY	ARRAY
Run-Length-Decoding	Run Length Decoding	2 .py .cpp	EASY	STRING
Noisy-Palindrome	Noisy Palindrome	1 .py	EASY	TWO POINTER
Course-Scheduling	Course Scheduling	1 .py	MEDIUM	TOPOLOGICAL SORT GRAPH
Collatz-Sequence	Collatz Sequence	1 .cpp	EASY	MATH RECURSION
Binary-Search-Tree-Validation	Binary Search Tree Validation	1 .py	MEDIUM	RECURSION
Remove-Duplicates-in-Linked-List	Remove Duplicates in Linked List	1 .cpp	MEDIUM	HASH TABLE
Largest-Square-Submatrix	Largest Square Submatrix	1 .py	HARD	DP
Shortest-String	Shortest String	1 .cpp	EASY	MATH STRING
Big-Numbers	Big Numbers	1 .cpp	EASY	MATH
Max-Product-of-Three-Numbers	Max Product of Three Numbers	1 .py	EASY	MATH
Tree-Detection	Tree Detection	1 .py	MEDIUM	DFS GRAPH
Number-of-Sublists-with-Max-in-Interval	Number of Sublists with Max in Interval	1 .py	MEDIUM	MATH
Longest-Distinct-Sublist	Longest Distinct Sublist	1 .cpp	MEDIUM	SLIDING WINDOW TWO POINTER
Length-of-a-Linked-List	Length of a Linked List	1 .py	EASY	RECURSION
Minimum-Starting-Nodes-to-Visit-Graph	Minimum Starting Nodes to Visit Graph	1 .py	MEDIUM	GRAPH
Remove-Last-Duplicate-Entries	Remove Last Duplicate Entries	1 .py	EASY	HASH TABLE
Sibling-Tree-Value	Sibling Tree Value	1 .cpp	MEDIUM	RECURSION
Nth-Fibonacci-Number	Nth Fibonacci Number	1 .cpp	EASY	MATH
Number-of-Moves-to-Capture-the-King	Number of Moves to Capture the King	1 .py	MEDIUM	BFS
Multiset-Sum	Multiset Sum	1 .cpp	MEDIUM	RECURSION
Remove-One-Letter	Remove One Letter	1 .cpp	EASY	STRING
Escape-Maze	Escape Maze	1 .py	MEDIUM	BFS
Search-Engine	Search Engine	1 .py	MEDIUM	DFS TRIE
Brick-Layout	Brick Layout	1 .py	MEDIUM	DP
Target-Number-with-Operations-Sequel	Target Number with Operations Sequel	1 .py	MEDIUM	MATH
Partition-Tree	Partition Tree	1 .cpp	MEDIUM	BFS
Pythagorean-Triplets	Pythagorean Triplets	1 .py	EASY	SORT MATH TWO POINTER
Insert-Into-Linked-List	Insert Into Linked List	1 .py	EASY	LINKED LIST
Toeplitz-Matrix	Toeplitz Matrix	1 .cpp	EASY	MATH
Partition-List-to-Pairs-that-Are-Divisible-by-K	Partition List to Pairs that Are Divisible by K	1 .py	MEDIUM	HASH TABLE MATH
Interval-Intersection	Interval Intersection	1 .cpp	EASY	MATH
Binary-Tree-Width	Binary Tree Width	1 .py	MEDIUM	BFS
Spiral-Matrix	Spiral Matrix	1 .cpp	MEDIUM	SIMULATION
Vertical-Cipher	Vertical Cipher	1 .cpp	EASY	STRING
Roomba	Roomba	1 .py	EASY	SIMULATION
Count-of-Sublists-with-Same-First-and-Last-Values	Count of Sublists with Same First and Last Values	1 .py	MEDIUM	HASH TABLE
K-Distinct-Window	K Distinct Window	1 .cpp	MEDIUM	SLIDING WINDOW
Prime-Factorization	Prime Factorization	1 .cpp	EASY	MATH
Clock-Angle	Clock Angle	1 .py	MEDIUM	MATH
Acronym	Acronym	1 .cpp	EASY	STRING
Narcissistic-Number	Narcissistic Number	1 .cpp	EASY	MATH
Consecutive-Duplicates	Consecutive Duplicates	1 .py	EASY	STRING
Generate-Primes	Generate Primes	1 .py	EASY	MATH
Elephant-Tree	Elephant Tree	1 .py	MEDIUM	DFS
Latin-Square	Latin Square	1 .cpp	EASY	HASH TABLE MATH
Longest-Consecutive-Sequence	Longest Consecutive Sequence	1 .py	MEDIUM	DP
Shortest-Path-in-a-Graph	Shortest Path in a Graph	1 .py	MEDIUM	UCS GRAPH
Stepping-Numbers	Stepping Numbers	1 .py	MEDIUM	DP
CPU-Scheduling	CPU Scheduling	1 .cpp	MEDIUM	SORT PRIORITY QUEUE
Chain-of-Blocks	Chain of Blocks	1 .cpp	MEDIUM	DFS MEMOIZATION DP
Set-Split	Set Split	1 .cpp	MEDIUM	SORT PREFIX SUM
Partition-String	Partition String	1 .cpp	HARD	TWO POINTER STRING
Longest-Tree-Sum-Path-From-Root-to-Leaf	Longest Tree Sum Path From Root to Leaf	1 .cpp	MEDIUM	DFS
Longest-Even-Value-Path	Longest Even Value Path	1 .py	MEDIUM	DFS RECURSION
Count-Exact-Sum	Count Exact Sum	1 .cpp	HARD	DP
Longest-Alliteration	Longest Alliteration	1 .py	EASY	STRING
Phone-Number-Permutations	Phone Number Permutations	1 .py	MEDIUM	DFS
Pascal's-Triangle	Pascal's Triangle	1 .cpp	EASY	DP
Even-Frequency	Even Frequency	1 .cpp	EASY	SORT
All-Sublists-Sum	All Sublists Sum	1 .cpp	MEDIUM	MATH
Odd-Palindrome	Odd Palindrome	1 .py	MEDIUM	STRING
Maximum-Number-After-One-Swap	Maximum Number After One Swap	1 .py	MEDIUM	GREEDY
Count-Next-Element	Count Next Element	1 .py	EASY	HASH TABLE
Ugly-Number	Ugly Number	1 .cpp	EASY	MATH
Changing-Directions	Changing Directions	1 .py	EASY	MATH
Reverse-Sublists-to-Convert-to-Target	Reverse Sublists to Convert to Target	1 .py	EASY	HASH TABLE
Task-Hare	Task Hare	1 .py	EASY	GREEDY TWO POINTER
Contiguous-Intervals	Contiguous Intervals	1 .cpp	MEDIUM	SORT MATH
Sum-of-Four-Numbers	Sum of Four Numbers	1 .cpp	MEDIUM	RECURSION
Caesar-Cipher	Caesar Cipher	1 .cpp	EASY	MATH STRING
List-Calculator	List Calculator	1 .cpp	EASY	MATH
Split-Tree-to-Maximize-Product	Split Tree to Maximize Product	1 .py	MEDIUM	DFS
Sum-of-Three-Numbers-Less-than-Target	Sum of Three Numbers Less than Target	1 .py	MEDIUM	TWO POINTER
Mixed-Sorting	Mixed Sorting	1 .cpp	EASY	SORT
Parentheses-Grouping	Parentheses Grouping	1 .py	EASY	STRING
Unix-Path-Resolution	Unix Path Resolution	1 .cpp	EASY	STRING STACK
Palindrome-Count	Palindrome Count	2 .py .cpp	EASY	MATH STRING
Visible-Blocks	Visible Blocks	1 .py	HARD	MATH RECURSION DP
Intervals-Intersecting-at-Point	Intervals Intersecting at Point	1 .cpp	EASY	MATH
Symmetric-Binary-Tree	Symmetric Binary Tree	1 .py	MEDIUM	RECURSION
String-Addition	String Addition	1 .cpp	EASY	STRING
Arithmetic-Sequence-Permutation	Arithmetic Sequence Permutation	1 .py	EASY	MATH
Longest-Interval	Longest Interval	1 .py	MEDIUM	GREEDY MATH
0-1-Knapsack	0 1 Knapsack	1 .py	MEDIUM	DP
Longest-Substring-with-2-Distinct-Characters	Longest Substring with 2 Distinct Characters	1 .py	MEDIUM	SLIDING WINDOW
Rocketship-Rescue	Rocketship Rescue	1 .py	MEDIUM	GREEDY TWO POINTER
Delete-Even-Leaves	Delete Even Leaves	1 .cpp	MEDIUM	DFS
Last-Value-Map	Last Value Map	1 .cpp	MEDIUM	LINKED LIST
Linked-List-Deletion	Linked List Deletion	1 .cpp	EASY	RECURSION
CCCXXVV	CCCXXVV	1 .py	MEDIUM	MATH STRING
Longest-Zero-Sublist-Sum	Longest Zero Sublist Sum	1 .py	HARD	PREFIX SUM
Longest-Anagram-Subsequence	Longest Anagram Subsequence	1 .py	MEDIUM	HASH TABLE
In-place-Move-Zeros-to-End-of-List	In place Move Zeros to End of List	1 .cpp	EASY	ARRAY
Making-Change-Sequel	Making Change Sequel	1 .py	MEDIUM	MATH DP
Contiguously-Increasing-Numbers	Contiguously Increasing Numbers	1 .py	EASY	MATH
Remove-Duplicate-Numbers	Remove Duplicate Numbers	1 .py	MEDIUM	HASH TABLE
Linked-List-Intersection	Linked List Intersection	1 .cpp	MEDIUM	TWO POINTER
Split-String-with-Same-Distinct-Counts	Split String with Same Distinct Counts	1 .py	MEDIUM	SLIDING WINDOW
Equivalent-Pairs	Equivalent Pairs	1 .py	EASY	HASH TABLE MATH
Contained-Interval	Contained Interval	1 .cpp	EASY	SORT MATH
Group-Integers	Group Integers	1 .py	EASY	MATH GCD
Gene-Mutation-Groups	Gene Mutation Groups	1 .py	MEDIUM	DFS
List-to-Binary-Search-Tree	List to Binary Search Tree	1 .py	MEDIUM	RECURSION
First-Fit-Room	First Fit Room	1 .py	EASY	ARRAY

Total 273 Questions

By Difficulty

• MEDIUM
• EASY
• HARD
• HARDER

By Programming Language

• .cpp
• .py

By Tag

• BFS
• MATH
• DFS
• DP
• HASH TABLE
• GREEDY
• SWAP
• ARRAY
• GRAPH
• TWO POINTER
• STRING
• ROLLING HASH
• QUEUE
• LINE SWEEPING
• SEARCH
• RECURSIVE
• SORT
• MATRIX
• STACK
• ONE-LINER
• RECURSION
• SIMULATION
• SUFFIX
• PREFIX SUM
• HEAP
• LINKED LIST
• BINARY SEARCH
• BST
• BIT
• MERGE SORT
• TRIE
• SLIDING WINDOW
• DIVIDE-AND-CONQUER
• MEMOIZATION
• TOPOLOGICAL SORT
• UCS
• PRIORITY QUEUE
• GCD

Index generated by script at 16/10/2022 00:49:08