Files

.vscode
Check if All the Integers in a Range Are Covered.cpp
Final Value of Variable After Performing Operations.cpp
Find Numbers with Even Number of Digits.cpp
Greatest Common Divisor of Strings.cpp
Island Perimeter.cpp
Longest Nice Substring.cpp
Most Frequent Number Following Key In an Array.cpp
Reorder Data in Log Files.cpp
Word Ladder.cpp
1-bit and 2-bit Characters.cpp
3Sum Closest.cpp
3Sum.cpp
4Sum.cpp
A Number After a Double Reversal.cpp
Add Binary.cpp
Add Digits.cpp
Add Strings.cpp
Add Two Numbers.cpp
Add to Array-Form of Integer.cpp
Additive Number.cpp
Arranging Coins.cpp
Array Partition I.cpp
Assign Cookies.cpp
Available Captures for Rook.cpp
Average Salary Excluding the Minimum and Maximum Salary.cpp
Average of Levels in Binary Tree.cpp
Backspace String Compare.cpp
Balanced Binary Tree.cpp
Base 7.cpp
Baseball Game.cpp
Basic Calculator II.cpp
Best Time to Buy and Sell Stock II.cpp
Best Time to Buy and Sell Stock with Cooldown.cpp
Best Time to Buy and Sell Stock.cpp
Binary Gap.cpp
Binary Number with Alternating Bits.cpp
Binary Prefix Divisible By 5.cpp
Binary Search Tree Iterator.cpp
Binary Search.cpp
Binary Tree Inorder Traversal.cpp
Binary Tree Level Order Traversal II.cpp
Binary Tree Level Order Traversal.cpp
Binary Tree Paths.cpp
Binary Tree Postorder Traversal.cpp
Binary Tree Preorder Traversal.cpp
Binary Tree Right Side View.cpp
Binary Tree Tilt.cpp
Binary Tree Zigzag Level Order Traversal.cpp
Binary Watch.cpp
Bitwise AND of Numbers Range.cpp
Buddy Strings.cpp
Build Array from Permutation.cpp
Build an Array With Stack Operations.cpp
Bulb Switcher.cpp
Bulls and Cows.cpp
Calculate Money in Leetcode Bank.cpp
Can Make Arithmetic Progression From Sequence.cpp
Can Place Flowers.cpp
Capitalize the Title.cpp
Cells in a Range on an Excel Sheet.cpp
Cells with Odd Values in a Matrix.cpp
Check Array Formation Through Concatenation.cpp
Check If All 1's Are at Least Length K Places Away.cpp
Check If It Is a Straight Line.cpp
Check If N and Its Double Exist.cpp
Check If String Is a Prefix of Array.cpp
Check If Two String Arrays are Equivalent.cpp
Check If a Word Occurs As a Prefix of Any Word in a Sentence.cpp
Check Whether Two Strings are Almost Equivalent.cpp
Check if All A's Appears Before All B's.cpp
Check if All Characters Have Equal Number of Occurrences.cpp
Check if Array Is Sorted and Rotated.cpp
Check if Binary String Has at Most One Segment of Ones.cpp
Check if Every Row and Column Contains All Numbers.cpp
Check if Numbers Are Ascending in a Sentence.cpp
Check if One String Swap Can Make Strings Equal.cpp
Check if Word Equals Summation of Two Words.cpp
Check if the Sentence Is Pangram.cpp
Climbing Stairs.cpp
Clone Graph.cpp
Coin Change.cpp
Combination Sum II.cpp
Combination Sum III.cpp
Combination Sum IV.cpp
Combination Sum.cpp
Combinations.cpp
Compare Strings by Frequency of the Smallest Character.cpp
Compare Version Numbers.cpp
Complement of Base 10 Integer.cpp
Concatenation of Array.cpp
Consecutive Characters.cpp
Construct Binary Tree from Inorder and Postorder Traversal.cpp
Construct Binary Tree from Preorder and Inorder Traversal.cpp
Construct String from Binary Tree.cpp
Construct the Rectangle.cpp
Container With Most Water.cpp
Contains Duplicate II.cpp
Contains Duplicate III.cpp
Contains Duplicate.cpp
Convert 1D Array Into 2D Array.cpp
Convert Binary Number in a Linked List to Integer.cpp
Convert Integer to the Sum of Two No-Zero Integers.cpp
Convert Sorted Array to Binary Search Tre.cpp
Convert Sorted List to Binary Search Tree.cpp
Convert a Number to Hexadecimal.cpp
Copy List with Random Pointer.cpp
Count Binary Substrings.cpp
Count Common Words With One Occurrence.cpp
Count Complete Tree Nodes.cpp
Count Elements With Strictly Smaller and Greater Elements.cpp
Count Equal and Divisible Pairs in an Array.cpp
Count Good Triplets.cpp
Count Hills and Valleys in an Array.cpp
Count Integers With Even Digit Sum.cpp
Count Items Matching a Rule.cpp
Count Largest Group.cpp
Count Negative Numbers in a Sorted Matrix.cpp
Count Number of Pairs With Absolute Difference K.cpp
Count Numbers with Unique Digits.cpp
Count Odd Numbers in an Interval Range.cpp
Count Operations to Obtain Zero.cpp
Count Primes.cpp
Count Special Quadruplets.cpp
Count Square Sum Triples.cpp
Count Vowel Substrings of a String.cpp
Count and Say.cpp
Count of Matches in Tournament.cpp
Count the Number of Consistent Strings.cpp
Counting Bits.cpp
Counting Words With a Given Prefix.cpp
Course Schedule II.cpp
Course Schedule.cpp
Cousins in Binary Tree.cpp
Crawler Log Folder.cpp
Create Target Array in the Given Order.cpp
DI String Match.cpp
Day of the Week.cpp
Day of the Year.cpp
Decode String.cpp
Decode Ways.cpp
Decode XORed Array.cpp
Decompress Run-Length Encoded List.cpp
Decrypt String from Alphabet to Integer Mapping.cpp
Defanging an IP Address.cpp
Defuse the Bomb.cpp
Degree of an Array.cpp
Delete Characters to Make Fancy String.cpp
Delete Columns to Make Sorted.cpp
Delete Node in a Linked List.cpp
Design Add and Search Words Data Structure.cpp
Design HashMap.cpp
Design HashSet.cpp
Design Parking System.cpp
Design Twitter.cpp
Design an Ordered Stream.cpp
Destination City.cpp
Detect Capital.cpp
Detect Pattern of Length M Repeated K or More Times.cpp
Determine Color of a Chessboard Square.cpp
Determine Whether Matrix Can Be Obtained By Rotation.cpp
Determine if String Halves Are Alike.cpp
Diameter of Binary Tree.cpp
Different Ways to Add Parentheses.cpp
Distance Between Bus Stops.cpp
Distribute Candies to People.cpp
Distribute Candies.cpp
Divide Array Into Equal Pairs.cpp
Divide Two Integers.cpp
Divide a String Into Groups of Size k.cpp
Divisor Game.cpp
Duplicate Zeros.cpp
Element Appearing More Than 25% In Sorted Array.cpp
Elimination Game.cpp
Employee Importance.cpp
Evaluate Reverse Polish Notation.cpp
Excel Sheet Column Number.cpp
Excel Sheet Column Title.cpp
Factorial Trailing Zeroes.cpp
Fair Candy Swap.cpp
Fibonacci Number.cpp
Final Prices With a Special Discount in a Shop.cpp
Find All K-Distant Indices in an Array.cpp
Find All Numbers Disappeared in an Array.cpp
Find Center of Star Graph.cpp
Find Common Characters.cpp
Find First Palindromic String in the Array.cpp
Find First and Last Position of Element in Sorted Array.cpp
Find Greatest Common Divisor of Array.cpp
Find K Pairs with Smallest Sums.cpp
Find Lucky Integer in an Array.cpp
Find Minimum in Rotated Sorted Array.cpp
Find Mode in Binary Search Tree.cpp
Find N Unique Integers Sum up to Zero.cpp
Find Nearest Point That Has the Same X or Y Coordinate.cpp
Find Peak Element.cpp
Find Pivot Index.cpp
Find Positive Integer Solution for a Given Equation.cpp
Find Smallest Letter Greater Than Target.cpp
Find Subsequence of Length K With the Largest Sum.cpp
Find Target Indices After Sorting Array.cpp
Find Winner on a Tic Tac Toe Game.cpp
Find Words That Can Be Formed by Characters.cpp
Find if Path Exists in Graph.cpp
Find the Difference.cpp
Find the Distance Value Between Two Arrays.cpp
Find the Duplicate Number.cpp
Find the Highest Altitude.cpp
Find the Middle Index in Array.cpp
Find the Town Judge.cpp
Finding 3-Digit Even Numbers.cpp
First Bad Version.cpp
First Unique Character in a String.cpp
Fizz Buzz.cpp
Flatten Binary Tree to Linked List.cpp
Flatten Nested List Iterator.cpp
Flipping an Image.cpp
Flood Fill.cpp
Flower Planting With No Adjacent.cpp
Fraction to Recurring Decimal.cpp
Game of Life.cpp
Gas Station.cpp
Generate Parentheses.cpp
Generate a String With Characters That Have Odd Counts.cpp
Get Maximum in Generated Array.cpp
Goal Parser Interpretation.cpp
Goat Latin.cpp
Gray Code.cpp
Group Anagrams.cpp
Groups of Special-Equivalent Strings.cpp
Guess Number Higher or Lower II.cpp
Guess Number Higher or Lower.cpp
H-Index II.cpp
H-Index.cpp
Hamming Distance.cpp
Happy Number.cpp
Heaters.cpp
Height Checker.cpp
House Robber II.cpp
House Robber III.cpp
House Robber.cpp
How Many Numbers Are Smaller Than the Current Number.cpp
Image Smoother.cpp
Implement Queue using Stacks.cpp
Implement Stack using Queues.cpp
Implement Trie (Prefix Tree).cpp
Implement strStr().cpp
Increasing Decreasing String.cpp
Increasing Order Search Tree.cpp
Increasing Triplet Subsequence.cpp
Insert Delete GetRandom O(1).cpp
Insert Interval.cpp
Insertion Sort List.cpp
Integer Break.cpp
Integer to Roman.cpp
Intersection of Two Arrays.cpp
Intersection of Two Linked Lists.cpp
Invert Binary Tree.cpp
Is Subsequence.cpp
Isomorphic Strings.cpp
Jewels and Stones.cpp
Jump Game.cpp
K-diff Pairs in an Array.cpp
Keep Multiplying Found Values by Two.cpp
Keyboard Row.cpp
Kids With the Greatest Number of Candies.cpp
Kth Distinct String in an Array.cpp
Kth Largest Element in a Stream.cpp
Kth Largest Element in an Array.cpp
Kth Missing Positive Number.cpp
Kth Smallest Element in a BST.cpp
Kth Smallest Element in a Sorted Matrix.cpp
LICENSE
LRU Cache.cpp
Largest Divisible Subset.cpp
Largest Number At Least Twice of Others.cpp
Largest Number.cpp
Largest Odd Number in String.cpp
Largest Perimeter Triangle.cpp
Largest Substring Between Two Equal Characters.cpp
Largest Triangle Area.cpp
Last Stone Weight.cpp
Latest Time by Replacing Hidden Digits.cpp
Leaf-Similar Trees.cpp
Lemonade Change.cpp
Length of Last Word.cpp
Letter Combinations of a Phone Number.cpp
Lexicographical Numbers.cpp
License Key Formatting.cpp
Linked List Cycle II.cpp
Linked List Cycle.cpp
Linked List Random Node.cpp
Long Pressed Name.cpp
Longer Contiguous Segments of Ones than Zeros.cpp
Longest Absolute File Path.cpp
Longest Common Prefix.cpp
Longest Continuous Increasing Subsequence.cpp
Longest Harmonious Subsequence.cpp
Longest Increasing Subsequence.cpp
Longest Palindrome.cpp
Longest Palindromic Substring.cpp
Longest Substring Without Repeating Characters.cpp
Longest Substring with At Least K Repeating Characters.cpp
Longest Uncommon Subsequence I.cpp
Longest Word in Dictionary.cpp
Lowest Common Ancestor of a Binary Search Tree.cpp
Lowest Common Ancestor of a Binary Tree .cpp
Lucky Numbers in a Matrix.cpp
Majority Element II.cpp
Majority Element.cpp
Make The String Great.cpp
Make Two Arrays Equal by Reversing Sub-arrays.cpp
Matrix Cells in Distance Order.cpp
Matrix Diagonal Sum.cpp
Max Consecutive Ones.cpp
Maximal Square.cpp
Maximize Sum Of Array After K Negations.cpp
Maximum 69 Number.cpp
Maximum Ascending Subarray Sum.cpp
Maximum Average Subarray I.cpp
Maximum Depth of Binary Tree.cpp
Maximum Depth of N-ary Tree.cpp
Maximum Difference Between Increasing Elements.cpp
Maximum Nesting Depth of the Parentheses.cpp
Maximum Number of Balloons.cpp
Maximum Number of Balls in a Box.cpp
Maximum Number of Words Found in Sentences.cpp
Maximum Number of Words You Can Type.cpp
Maximum Population Year.cpp
Maximum Product Difference Between Two Pairs.cpp
Maximum Product Subarray.cpp
Maximum Product of Three Numbers.cpp
Maximum Product of Two Elements in an Array.cpp
Maximum Product of Word Lengths.cpp
Maximum Repeating Substring.cpp
Maximum Score After Splitting a String.cpp
Maximum Subarray.cpp
Maximum Units on a Truck.cpp
Mean of Array After Removing Some Elements.cpp
Merge Intervals.cpp
Merge Sorted Array.cpp
Merge Strings Alternately.cpp
Merge Two Binary Trees.cpp
Merge Two Sorted Lists.cpp
Middle of the Linked List.cpp
Min Cost Climbing Stairs.cpp
Min Stack.cpp
Mini Parser.cpp
Minimum Absolute Difference in BST.cpp
Minimum Absolute Difference.cpp
Minimum Changes To Make Alternating Binary String.cpp
Minimum Cost of Buying Candies With Discount.cpp
Minimum Cost to Move Chips to The Same Position.cpp
Minimum Depth of Binary Tree.cpp
Minimum Difference Between Highest and Lowest of K Scores.cpp
Minimum Distance Between BST Nodes.cpp
Minimum Distance to the Target Element.cpp
Minimum Height Trees.cpp
Minimum Index Sum of Two Lists.cpp
Minimum Moves to Convert String.cpp
Minimum Moves to Equal Array Elements.cpp
Minimum Number of Moves to Seat Everyone.cpp
Minimum Operations to Make the Array Increasing.cpp
Minimum Path Sum.cpp
Minimum Size Subarray Sum.cpp
Minimum Subsequence in Non-Increasing Order.cpp
Minimum Sum of Four Digit Number After Splitting Digits.cpp
Minimum Time Visiting All Points.cpp
Minimum Time to Type Word Using Special Typewriter.cpp
Minimum Value to Get Positive Step by Step Sum.cpp
Missing Number.cpp
Monotonic Array.cpp
Most Common Word.cpp
Most Visited Sector in a Circular Track.cpp
Move Zeroes.cpp
Moving Stones Until Consecutive.cpp
Multiply Strings.cpp
N-Repeated Element in Size 2N Array.cpp
N-ary Tree Postorder Traversal.cpp
N-ary Tree Preorder Traversal.cpp
N-th Tribonacci Number.cpp
Next Greater Element I.cpp
Next Permutation.cpp
Nim Game.cpp
Non-decreasing Array.cpp
Number Complement.cpp
Number Of Rectangles That Can Form The Largest Square.cpp
Number of 1 Bits.cpp
Number of Boomerangs.cpp
Number of Days Between Two Dates.cpp
Number of Different Integers in a String.cpp
Number of Equivalent Domino Pairs.cpp
Number of Good Pairs.cpp
Number of Islands.cpp
Number of Lines To Write String.cpp
Number of Recent Calls.cpp
Number of Segments in a String.cpp
Number of Steps to Reduce a Number to Zero.cpp
Number of Strings That Appear as Substrings in Word.cpp
Number of Students Doing Homework at a Given Time.cpp
Number of Students Unable to Eat Lunch.cpp
Number of Valid Words in a Sentence.cpp
Occurrences After Bigram.cpp
Odd Even Linked List.cpp
Pairs of Songs With Total Durations Divisible by 60.cpp
Palindrome Linked List.cpp
Palindrome Partitioning.cpp
Partition Array Into Three Parts With Equal Sum.cpp
Partition List.cpp
Pascal's Triangle II.cpp
Pascal's Triangle.cpp
Path Crossing.cpp
Path Sum II.cpp
Path Sum.cpp
Peak Index in a Mountain Array.cpp
Peeking Iterator.cpp
Perfect Number.cpp
Perfect Squares.cpp
Permutations II.cpp
Permutations.cpp
Plus One.cpp
Populating Next Right Pointers in Each Node II.cpp
Populating Next Right Pointers in Each Node.cpp
Positions of Large Groups.cpp
Pow(x, n).cpp
Power of Four.cpp
Power of Three.cpp
Power of Two.cpp
Powerful Integers.cpp
Prime Arrangements.cpp
Prime Number of Set Bits in Binary Representation.cpp
Product of Array Except Self.cpp
Projection Area of 3D Shapes.cpp
README.md
Range Addition II.cpp
Range Sum Query - Immutable.cpp
Range Sum Query - Mutable.cpp
Range Sum Query 2D - Immutable.cpp
Range Sum of BST.cpp
Rank Transform of an Array.cpp
Ransom Note.cpp
Rearrange Spaces Between Words.cpp
Reconstruct Itinerary.cpp
Rectangle Area.cpp
Rectangle Overlap.cpp
Redistribute Characters to Make All Strings Equal.cpp
Reformat Date.cpp
Reformat Phone Number.cpp
Reformat The String.cpp
Relative Ranks.cpp
Relative Sort Array.cpp
Remove All Adjacent Duplicates In String.cpp
Remove Duplicate Letters.cpp
Remove Duplicates from Sorted Array II.cpp
Remove Duplicates from Sorted Array.cpp
Remove Duplicates from Sorted List II.cpp
Remove Duplicates from Sorted List.cpp
Remove Element.cpp
Remove Linked List Elements.cpp
Remove Nth Node From End of List.cpp
Remove One Element to Make the Array Strictly Increasing.cpp
Remove Outermost Parentheses.cpp
Remove Palindromic Subsequences.cpp
Reorder List.cpp
Repeated DNA Sequences.cpp
Repeated Substring Pattern.cpp
Replace All ?'s to Avoid Consecutive Repeating Characters.cpp
Replace All Digits with Characters.cpp
Replace Elements with Greatest Element on Right Side.cpp
Reshape the Matrix.cpp
Restore IP Addresses.cpp
Reverse Bits.cpp
Reverse Linked List II.cpp
Reverse Linked List.cpp
Reverse Only Letters.cpp
Reverse Prefix of Word.cpp
Reverse String II.cpp
Reverse String.cpp
Reverse Vowels of a String.cpp
Reverse Words in a String III.cpp
Reverse Words in a String.cpp
Richest Customer Wealth.cpp
Rings and Rods.cpp
Robot Return to Origin.cpp
Roman_to_Integer.cpp
Rotate Array.cpp
Rotate Function.cpp
Rotate Image.cpp
Rotate List.cpp
Rotate String.cpp
Rotated Digits.cpp
Running Sum of 1d Array.cpp
Same Tree.cpp
Search Insert Position.cpp
Search a 2D Matrix II.cpp
Search a 2D Matrix.cpp
Search in Rotated Sorted Array II.cpp
Search in Rotated Sorted Array.cpp
Search in a Binary Search Tree.cpp
Second Largest Digit in a String.cpp
Second Minimum Node In a Binary Tree.cpp
Self Dividing Numbers.cpp
Set Matrix Zeroes.cpp
Set Mismatch.cpp
Shift 2D Grid.cpp
Shortest Completing Word.cpp
Shortest Distance to a Character.cpp
Shortest Unsorted Continuous Subarray.cpp
Shuffle String.cpp
Shuffle an Array.cpp
Shuffle the Array.cpp
Sign of the Product of an Array.cpp
Simplify Path.cpp
Single Number II.cpp
Single Number III.cpp
Single Number.cpp
Slowest Key.cpp
Smallest Index With Equal Value.cpp
Smallest Range I.cpp
Sort Array By Parity II.cpp
Sort Array By Parity.cpp
Sort Array by Increasing Frequency.cpp
Sort Colors.cpp
Sort Even and Odd Indices Independently.cpp
Sort Integers by The Number of 1 Bits.cpp
Sort List.cpp
Sorting the Sentence.cpp
Special Array With X Elements Greater Than or Equal X.cpp
Special Positions in a Binary Matrix.cpp
Spiral Matrix II.cpp
Spiral Matrix.cpp
Split a String in Balanced Strings.cpp
Squares of a Sorted Array.cpp
String Matching in an Array.cpp
String to Integer (atoi).cpp
Student Attendance Record I.cpp
Subdomain Visit Count.cpp
Subsets II.cpp
Subsets.cpp
Substrings of Size Three with Distinct Characters.cpp
Subtract the Product and Sum of Digits of an Integer.cpp
Subtree of Another Tree.cpp
Sum Root to Leaf Numbers.cpp
Sum of All Odd Length Subarrays .cpp
Sum of All Subset XOR Totals.cpp
Sum of Digits in Base K.cpp
Sum of Digits of String After Convert.cpp
Sum of Even Numbers After Queries.cpp
Sum of Left Leaves.cpp
Sum of Root To Leaf Binary Numbers.cpp
Sum of Two Integers.cpp
Sum of Unique Elements.cpp
Summary Ranges.cpp
Super Pow.cpp
Super Ugly Number.cpp
Surface Area of 3D Shapes.cpp
Surrounded Regions.cpp
Swap Nodes in Pairs.cpp
Symmetric Tree.cpp
Teemo Attacking.cpp
The K Weakest Rows in a Matrix.cpp
Third Maximum Number.cpp
Thousand Separator.cpp
Three Consecutive Odds.cpp
Three Divisors.cpp
Time Needed to Buy Tickets.cpp
To Lower Case.cpp
Toeplitz Matrix.cpp
Top K Frequent Elements.cpp
Transpose Matrix.cpp
Triangle.cpp
Trim a Binary Search Tree.cpp
Truncate Sentence.cpp
Two Furthest Houses With Different Colors.cpp
Two Out of Three.cpp
Two Sum II - Input array is sorted.cpp
Two Sum IV - Input is a BST.cpp
Two_Sum_s.cpp
UTF-8 Validation.cpp
Ugly Number II.cpp
Ugly Number.cpp
Uncommon Words from Two Sentences.cpp
Unique Binary Search Trees II.cpp
Unique Binary Search Trees.cpp
Unique Email Addresses.cpp
Unique Morse Code Words.cpp
Unique Number of Occurrences.cpp
Unique Paths II.cpp
Unique Paths.cpp
Univalued Binary Tree.cpp
Valid Anagram.cpp
Valid Boomerang.cpp
Valid Mountain Array.cpp
Valid Palindrome II.cpp
Valid Palindrome.cpp
Valid Parentheses.cpp
Valid Perfect Square.cpp
Valid Sudoku.cpp
Validate Binary Search Tree.cpp
Verify Preorder Serialization of a Binary Tree.cpp
Verifying an Alien Dictionary.cpp
Walking Robot Simulation.cpp
Water Bottles.cpp
Water and Jug Problem.cpp
Wiggle Sort II.cpp
Wiggle Subsequence.cpp
Word Break.cpp
Word Pattern.cpp
Word Search.cpp
X of a Kind in a Deck of Cards.cpp
XOR Operation in an Array.cpp
ZigZag Conversion.cpp
palindrome.cpp
reverse_integer.cpp
roman_to_int.cpp
sqrt(x).cpp

Complement of Base 10 Integer.cpp

Sep 30, 2020

b11d9ee · Sep 30, 2020