LeetCode

Longest Palindromic Substring - Go Solution

Solving the LeetCode "Longest Palindromic Substring" Problem in Go Difficulty: Medium | Tags: Two Pointers, String, Dynamic Programming Introduction Finding the longest palindromic substring is a classic problem in computer science, often used to test understanding of string manipulation and dynamic programming. A palindrome reads the same backward as

Remove Duplicates from Sorted Array II - Go Solution

Solving the LeetCode "Remove Duplicates from Sorted Array II" Problem in Go Difficulty: Medium | Tags: Array, Two Pointers Introduction This problem requires modifying a sorted array in-place to remove duplicates such that each unique element appears at most twice. The challenge lies in achieving this efficiently without using

Add Two Numbers - Go Solution

Solving the LeetCode "Add Two Numbers" Problem in Go Difficulty: Medium | Tags: Linked List, Math, Recursion Introduction The "Add Two Numbers" problem requires adding two numbers represented as linked lists in reverse order. This is a fundamental problem for understanding linked list manipulation and arithmetic operations

Sort Colors - Go Solution

Solving the LeetCode "Sort Colors" Problem in Go Difficulty: Medium | Tags: Array, Two Pointers, Sorting Introduction The "Sort Colors" problem requires sorting an array of integers representing colors (0 for red, 1 for white, and 2 for blue) in-place without using a library sort function. This

Search in Rotated Sorted Array II - Go Solution

Solving the LeetCode "Search in Rotated Sorted Array II" Problem in Go Difficulty: Medium | Tags: Array, Binary Search Introduction This problem involves searching for a target value in a rotated sorted array that may contain duplicates. The challenge is to efficiently determine whether the target exists in the

Subsets - Go Solution

Solving the LeetCode "Subsets" Problem in Go Difficulty: Medium | Tags: Array, Backtracking, Bit Manipulation Introduction The "Subsets" problem requires generating all possible subsets of a given array of unique integers. This is a fundamental problem in combinatorics and backtracking, often used to test a developer'

Permutations II - Go Solution

Solving the LeetCode "Permutations II" Problem in Go Difficulty: Medium | Tags: Array, Backtracking, Sorting Introduction The "Permutations II" problem requires generating all unique permutations of an array that may contain duplicate elements. Unlike the standard permutations problem, handling duplicates efficiently is crucial to avoid redundant results.

Edit Distance - Go Solution

Solving the LeetCode "Edit Distance" Problem in Go Difficulty: Medium | Tags: String, Dynamic Programming Introduction The "Edit Distance" problem is a classic dynamic programming challenge that measures the minimum number of operations required to transform one string into another. This problem has practical applications in fields

Divide Two Integers - Go Solution

Solving the LeetCode "Divide Two Integers" Problem in Go Difficulty: Medium | Tags: Math, Bit Manipulation Introduction Dividing two integers without using multiplication, division, or mod operators is a classic problem that tests understanding of bit manipulation and efficient arithmetic operations. This problem requires careful handling of edge cases,

Combination Sum - Go Solution

Solving the LeetCode "Combination Sum" Problem in Go Difficulty: Medium | Tags: Array, Backtracking Introduction The "Combination Sum" problem requires finding all unique combinations of numbers from a given array that sum up to a target value. This problem is a classic example of backtracking, where we

Reverse Integer - Go Solution

Solving the LeetCode "Reverse Integer" Problem in Go Difficulty: Medium | Tags: Math Introduction Reversing an integer is a common programming challenge that tests your ability to handle edge cases, such as overflow and negative numbers. This problem requires reversing the digits of a 32-bit signed integer while ensuring

Longest Substring Without Repeating Characters - Go Solution

Solving the LeetCode "Longest Substring Without Repeating Characters" Problem in Go Difficulty: Medium | Tags: Hash Table, String, Sliding Window Introduction The problem requires finding the length of the longest substring without repeating characters in a given string. This is a classic sliding window problem that tests your ability