LeetCode Coding Challenges and Solutions in Swift

Solved Challenges

Arrays:

• Remove Duplicates from Sorted Array
• Rotate Array
• Contains Duplicate
• Single Number
• Intersection of Two Arrays
• Plus One
• Move Zeroes
• Two Sums
• Valid Sudoku
• Rotate Image
• Group Anagrams

Strings:

• Reverse String
• Reverse Integer
• First Unique Character in a String
• Valid Anagram
• Valid Palindrome
• String to Integer (atoi)
• Implement strStr()
• Count and Say
• Longest Common Prefix
• Longest Substring Without Repeating Characters

Sorting and searching:

• Merge Sorted Array
• First Bad Version

Math:

• Fizz Buzz
• Count Primes
• Power of Three
• Roman to Integer

Others:

• Number of 1 Bits
• Hamming Distance
• Reverse Bits
• Missing Number
• Valid Parentheses
• Pascal's Triangle