Algorithms Solutions in Swift This repository contains solutions from AlgoExpert, LeetCode & HackerRank in Swift programming language.
Suggestions and contributions are welcome.
Serial No.
Problem
Solution
Time Complexity
Space Complexity
Notes
1
3D Surface Area
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2
Almost Sorted
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3
Binary Search Trees
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4
Bitwise AND
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5
Convert Decimal to Binary
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6
Count Pairs
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7
Encryption
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8
Extra Long Factorials
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9
Larry's Array
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10
Merge Sort
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11
Palindrome String
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12
Reverse String
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13
Sum of Natural Number
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14
Tic Tac Toe Winner
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15
Two Strings
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Serial No.
Problem
Solution
Time Complexity
Space Complexity
Notes
1
3 Sum Closest
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2
Merge Intervals
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3
Divide Two Integers
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4
Single Number
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5
Majority Element
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6
Three Number Sum Zero
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7
Binary Search
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8
First Bad Version
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9
Search Insert Position
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10
Merge Intervals
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11
Sort Colors
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12
Design HashMap
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13
Squares of a Sorted Array
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14
Rotate Array
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15
Move Zeros to End
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16
Two Sum - Input Array Sorted
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17
Pascal's Triangle - II
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18
Rotate Image
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19
Spiral Matix II
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20
Reverse String
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21
Reverse Words in a String
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22
Search in a 2D Matrix
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23
Erase Overlapping Intervals
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24
Middle of the Linked List
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25
Remove Nth Node from End of the Linked List
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26
Longest Substring without Repeating Characters
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27
Permutation in a String
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28
Increasing Triplet Subsequence
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29
Porduct of Array Except Self
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30
Sub Array Sum Equals K
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31
Add Strings
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32
Longest Palindrome
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33
Word Pattern
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34
Partition Labels
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35
Group Anagrams
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36
Multiply Strings
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37
Flood Fill
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38
Max Area of Island
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39
Merge Two Binary Trees
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40
Populatng Next Right Pointer In Each Node
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41
Three Sum Smaller
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42
Spiral Matrix
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43
Valid Parentheses
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44
Best Time to Buy and Sell Stock
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45
Longest Palindrome
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46
Subsets
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47
Convert Time with Minimum Operations
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48
Find Players with Zero or One Loses
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49
Largest Integer Digit Swap By Parity
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50
Container with Most Water
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51
License Key Formatting
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52
Unique Email Addresses
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53
Sort By Parity
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54
Maximum Bags with Full Capacity of Rocks
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55
Search 2D Matrix II
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56
Remove Duplicates Sorted Array
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57
Remove Element
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Serial No.
Problem
Solution
Time Complexity
Space Complexity
Notes
1
Breadth First Search
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2
Array of Products
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3
Binary Search Tree Construction
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4
Binary Search Tree Traversal
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5
Binary Search
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6
Binary Tree Diameter
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7
Branch Sums
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8
Bubble Sort
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9
Caesar Cipher Encryptor
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10
Class Photos
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11
Depth First Search
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12
Find Closest Value in Binary Search Tree
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13
Find Loop in Linked List
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14
Find Successor
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15
Find Three Largest Numbers
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16
First Duplicate Value
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17
First Non-Repeating Character
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18
Four Number Sum
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19
Generate Document
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20
Invert Binary Tree
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21
Insertion Sort
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22
Largest Range
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23
Linked List Construction
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24
Longest Palindromic Substring
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25
Longest Peak
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26
Max Subset Sum No Adjacent
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27
Merge Linked Lists
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28
Merge Overlapping Intervals
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Merge Sort
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30
Minimum Height Binary Search Tree
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31
Minimum Waiting Time
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32
Monotonic Array
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Move Element To End
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34
Node Depths
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Non-Constructible Change
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36
Nth Fibonacci Number
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37
Palindrome Check
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38
Prodcut Sum
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Quick Sort
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Remove Duplicates From Linked List
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Remove kth Node From End
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Reverse Linkedlist
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Run Length Encoding
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44
Search For Range
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Search in Sorted Matrix
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Selection Sort
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47
Shifted Binary Search
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48
Single Cycle Check
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49
Smallest Difference
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50
Sorted Squared Array
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51
Spiral Traverse
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52
Subarray Sort
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53
Sum of Linkedlist
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54
Tandem Bicycle
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55
Three Number Sort
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56
Three Number Sum
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57
Tournament Winner
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58
Two Number Sum
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59
Validate Binary Search Tree
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60
Validate Subsequence
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61
ZigZag Traverse
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62
Valid Starting City
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63
Task Assignment
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64
Min Rewards
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65
Kadanes Algorithm
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66
Calender Matching
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67
Balanced Brackets
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68
Apartment Hunting
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69
Group Anagrams
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70
Valid IP Addresses
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71
Permutations
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72
Power Sets
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Note: ReadMe file does not contain all the solution links from this repo. It is still in progress and I am updating in my free time.