leetcode.com

Leetcode solutions

A collection of 500+ LeetCode problems that I've solved primarily in Go, SQL, and Java some of them definitely would deserve a refactoring.

Each directory includes a solution to the problem and the directory name is the challenge name.

Name		Name	Last commit message	Last commit date
Latest commit History 470 Commits
Day of the Week		Day of the Week
Find Total Time Spent by Each Employee		Find Total Time Spent by Each Employee
Students With Invalid Departments		Students With Invalid Departments
3042. Count Prefix and Suffix Pairs I		3042. Count Prefix and Suffix Pairs I
3110. Score of a String		3110. Score of a String
A Number After a Double Reversal		A Number After a Double Reversal
Account Balance After Rounded Purchase		Account Balance After Rounded Purchase
Account Balance		Account Balance
Accounts Merge		Accounts Merge
Active Businesses		Active Businesses
Add Binary		Add Binary
Add Digits		Add Digits
Add One Row to Tree		Add One Row to Tree
Add Strings		Add Strings
Add Two Integers		Add Two Integers
Adding Spaces to a String		Adding Spaces to a String
All Elements in Two Binary Search Trees		All Elements in Two Binary Search Trees
All the Matches of the League		All the Matches of the League
Allow One Function Call		Allow One Function Call
Alternating Digit Sum		Alternating Digit Sum
Ant on the Boundary		Ant on the Boundary
Apple Redistribution into Boxes		Apple Redistribution into Boxes
Apples & Oranges		Apples & Oranges
Apply Discount Every n Orders		Apply Discount Every n Orders
Apply Transform Over Each Element in Array		Apply Transform Over Each Element in Array
Armstrong Number		Armstrong Number
Arranging Coins		Arranging Coins
Array Partition I		Array Partition I
Array Reduce Transformation		Array Reduce Transformation
Array Wrapper		Array Wrapper
Article Views I		Article Views I
Assign Cookies		Assign Cookies
Average Salary Excluding the Minimum and Maximum Salary		Average Salary Excluding the Minimum and Maximum Salary
Average Selling Price		Average Selling Price
Average Time of Process per Machine		Average Time of Process per Machine
Average Value of Even Numbers That Are Divisible by Three		Average Value of Even Numbers That Are Divisible by Three
Average of Levels in Binary Tree		Average of Levels in Binary Tree
Backspace String Compare		Backspace String Compare
Bank Account Summary II		Bank Account Summary II
Bank Account Summary		Bank Account Summary
Base 7		Base 7
Baseball Game		Baseball Game
Basic Calculator II		Basic Calculator II
Best Poker Hand		Best Poker Hand
Best Time to Buy and Sell Stock		Best Time to Buy and Sell Stock
Big Countries		Big Countries
Biggest Single Number		Biggest Single Number
Binary Gap		Binary Gap
Binary Number with Alternating Bits		Binary Number with Alternating Bits
Binary Prefix Divisible By 5		Binary Prefix Divisible By 5
Binary Search Tree Iterator		Binary Search Tree Iterator
Binary Tree Inorder Traversal		Binary Tree Inorder Traversal
Binary Tree Paths		Binary Tree Paths
Binary Tree Postorder Traversal		Binary Tree Postorder Traversal
Binary Tree Preorder Traversal		Binary Tree Preorder Traversal
Build Array from Permutation		Build Array from Permutation
Buildings With an Ocean View		Buildings With an Ocean View
Bulls and Cows		Bulls and Cows
Calculate Amount Paid in Taxes		Calculate Amount Paid in Taxes
Calculate Money in Leetcode Bank		Calculate Money in Leetcode Bank
Calculate Salaries		Calculate Salaries
Calculate Special Bonus		Calculate Special Bonus
Calculate the Influence of Each Salesperson		Calculate the Influence of Each Salesperson
Calculator with Method Chaining		Calculator with Method Chaining
Can Make Arithmetic Progression From Sequence		Can Make Arithmetic Progression From Sequence
Can Place Flowers		Can Place Flowers
Capital Gain-loss		Capital Gain-loss
Capitalize the Title		Capitalize the Title
Categorize Box According to Criteria		Categorize Box According to Criteria
Cells with Odd Values in a Matrix		Cells with Odd Values in a Matrix
Change Data Type		Change Data Type
Check Distances Between Same Letters		Check Distances Between Same Letters
Check If All 1's Are at Least Length K Places Away		Check If All 1's Are at Least Length K Places Away
Check If N and Its Double Exist		Check If N and Its Double Exist
Check If Two String Arrays are Equivalent		Check If Two String Arrays are Equivalent
Check If a Number Is Majority Element in a Sorted Array		Check If a Number Is Majority Element in a Sorted Array
Check If a Word Occurs As a Prefix of Any Word in a Sentence		Check If a Word Occurs As a Prefix of Any Word in a Sentence
Check Whether Two Strings are Almost Equivalent		Check Whether Two Strings are Almost Equivalent
Check if All A's Appears Before All B's		Check if All A's Appears Before All B's
Check if All Characters Have Equal Number of Occurrences		Check if All Characters Have Equal Number of Occurrences
Check if Binary String Has at Most One Segment of Ones		Check if Binary String Has at Most One Segment of Ones
Check if Bitwise OR Has Trailing Zeros		Check if Bitwise OR Has Trailing Zeros
Check if Number Has Equal Digit Count and Digit Value		Check if Number Has Equal Digit Count and Digit Value
Check if Numbers Are Ascending in a Sentence		Check if Numbers Are Ascending in a Sentence
Check if One String Swap Can Make Strings Equal		Check if One String Swap Can Make Strings Equal
Check if The Number is Fascinating		Check if The Number is Fascinating
Check if Word Equals Summation of Two Words		Check if Word Equals Summation of Two Words
Check if an Array Is Consecutive		Check if an Array Is Consecutive
Check if the Sentence Is Pangram		Check if the Sentence Is Pangram
Classes More Than 5 Students		Classes More Than 5 Students
Climbing Stairs		Climbing Stairs
Combine Two Tables		Combine Two Tables
Compare Strings by Frequency of the Smallest Character		Compare Strings by Frequency of the Smallest Character
Complement of Base 10 Integer		Complement of Base 10 Integer
Compute the Rank as a Percentage		Compute the Rank as a Percentage
Concatenate the Name and the Profession		Concatenate the Name and the Profession
Concatenation of Array		Concatenation of Array
Confusing Number		Confusing Number
Consecutive Available Seats		Consecutive Available Seats
Consecutive Characters		Consecutive Characters

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