🧩 LeetCode Solutions

Personal collection of algorithmic problem solutions for interview preparation.

📁 Exercises

• Two Sum (TwoSum (1)/) - Find two numbers that add up to target
• Longest Common Prefix (LongestCommonPrefix (14)/) - Find longest common prefix among strings
• Valid Parentheses (ValidParentheses (20)/) - Check if parentheses are balanced
• Palindrome Number (PalindromeNumber (9)/) - Determine if number reads the same backwards
• Roman to Integer (RomanToInteger (13)/) - Convert Roman numerals to integers
• Merge Two Sorted Lists (MergeTwoSortedLists (21)/) - Merge sorted linked lists
• Remove Duplicates from Sorted List (RemoveDuplicatesFromSortedList (83)/) - Remove duplicates from sorted linked list
• Remove Element (RemoveElement (27)/) - Remove specific element from array
• Search Insert Position (SearchInsertPosition (35)/) - Find position to insert element
• Power of Two (PowerOfTwo (231)/) - Check if number is power of two
• Valid Palindrome (ValidPalindrome (125)/) - Check if string is palindrome ignoring non-alphanumeric
• Length of Last Word (LengthOfLastWord (58)/) - Find length of last word in string
• Find Index of First Occurrence in String (FindIndexOfFirstOccurrenceInString (28)/) - Find first occurrence of substring
• Concatenation of Array (ConcatenationOfArray (1929)/) - Concatenate array to itself
• Contains Duplicate (ContainsDuplicate (217)/) - Check if array contains duplicates
• Convert the Temperature (ConvertTheTemperature (2469)/) - Convert temperature between Celsius and Fahrenheit
• Divisible Non-Divisible Sum Difference (DivisibleNonDivisibleSummDiff/) - Find difference between sum of divisible and non-divisible numbers
• Group Anagrams (GroupAnagrams (49)/) - Group words that are anagrams
• Majority Element (MajorityElement (169)/) - Find element that appears more than n/2 times
• Plus One (PlusOne (66)/) - Add one to number represented as array
• Sqrt(x) (SqrtX (69)/) - Compute integer square root
• Two Sum II (TwoSumII (167)/) - Find two numbers that add up to target in sorted array
• Valid Anagram (ValidAnagram (242)/) - Check if two strings are anagrams

This repository serves as my personal training ground 🎯 for tackling LeetCode challenges before official submission. Each problem resides in its dedicated folder 📂, featuring implementations in both C and Python that showcase different approaches to algorithmic problem-solving 💡.