Categories

Remove N-th Node From End of List in C#

2 minute read

Learn how to remove the n-th node from the end of a singly-linked list using the two-pointer approach in C#.

LeetCode: Reorder List in C#

4 minute read

Learn how to reorder a singly-linked list in-place using the slow/fast pointer technique, list reversal, and alternate merging in C#.

Median of Two Sorted Arrays in C#

5 minute read

Learn how to find the median of two sorted arrays using both an intuitive merging approach and the optimal O(log(N+M)) binary search approach in C#.

Linked List Cycle Detection in C#

2 minute read

Learn how to detect a cycle in a linked list using Floyd’s Cycle-Finding Algorithm (Tortoise and Hare) in C#.

Merging Two Sorted Lists in C#

3 minute read

Discover how to merge two sorted linked lists into a single sorted list using an iterative approach with a sentinel node in C#.

Reverse Linked List in C#

3 minute read

Learn how to reverse a singly-linked list using both iterative and recursive (NeetCode) approaches in C#.

Time Based Key-Value Store in C#

3 minute read

Learn how to build a time-based key-value store using a dictionary and binary search in C#.

Search in Rotated Sorted Array in C#

4 minute read

Learn how to search for a target value in a rotated sorted array efficiently using binary search in C#.

Find Minimum in Rotated Sorted Array in C#

2 minute read

Learn how to efficiently find the minimum element in a rotated sorted array using a modified binary search approach in C#.

Solving Koko Eating Bananas in C#

3 minute read

Learn how to find the minimum eating speed for Koko using a Binary Search on Answer strategy in C#.

Search a 2D Matrix in C#

2 minute read

Explore multiple ways to search for a target value in a sorted 2D matrix, including the virtual 1D array and staircase search approaches.

Solving Binary Search in C#

2 minute read

Learn how to find a target value in a sorted array using a Binary Search approach in C#.

Solving Trapping Rain Water in C#

2 minute read

Learn how to compute trapped rain water efficiently using a left-max array and a reverse sweep in C#.

Solving Largest Rectangle in Histogram in C#

4 minute read

Learn how to find the largest rectangular area in a histogram by using either a centered-expansion strategy or an optimized monotonic stack approach in C#.

Solving Container With Most Water in C#

3 minute read

Learn how to find the maximum amount of water a container can store using an efficient two-pointer approach in C#.

Solving 3Sum in C#

3 minute read

Learn how to find all unique triplets in an array that add up to zero using sorting and a two-pointer approach in C#.

Solving Two Sum II - Input Array Is Sorted in C#

3 minute read

Learn how to find two numbers that add up to a specific target in a sorted array using a two-pointer approach within an iterative loop in C#.

Solving Valid Palindrome in C#

3 minute read

Learn how to determine if a string is a palindrome by considering only alphanumeric characters and ignoring cases using a two-pointer approach in C#.

Solving Car Fleet in C#

3 minute read

Learn how to determine the number of car fleets that will reach the target using a stack-based approach in C#.

Solving Daily Temperatures in C#

2 minute read

Learn how to find the number of days until a warmer temperature using a Monotonic Stack in C#.

Solving Evaluate Reverse Polish Notation in C#

3 minute read

Learn how to evaluate arithmetic expressions in Reverse Polish Notation (RPN) efficiently using a Stack in C#.

Solving Valid Sudoku in C#

5 minute read

Learn how to validate a 9x9 Sudoku board efficiently by checking rows, columns, and sub-boxes using HashSets.

Solving Valid Parentheses in C#

3 minute read

Learn how to validate a string of parentheses efficiently by using a Stack and Dictionary to ensure every bracket matches correctly.

Solving Min Stack in C#

3 minute read

Learn how to design a stack that supports push, pop, top, and retrieving the minimum element in constant time using a single stack with Tuples.

Solving Longest Consecutive Sequence in C#

2 minute read

Learn how to find the length of the longest consecutive sequence in an unsorted array in O(n) time using HashSets.

Solving Product of Array Except Self in C#

4 minute read

Learn how to calculate the product of all elements except the current one in O(N) time and O(1) extra space without using the division operator.

Solving Encode and Decode Strings in C#

3 minute read

Learn how to encode and decode a list of strings in C# using both a unique separator and the robust length-prefix approach.

Solving Top K Frequent Elements in C# with PriorityQueue

3 minute read

Learn how to find the most frequent elements in an array efficiently using a Dictionary and a Min-Heap (PriorityQueue) in .NET.

Solving the Group Anagrams Problem in C#

2 minute read

Learn how to efficiently group anagrams from a list of strings using sorting and dictionaries in .NET 10.

Solving the Two Sum Problem in C# with Dictionaries

2 minute read

Learn how to solve the classic Two Sum LeetCode problem efficiently using a Dictionary for O(n) performance in .NET 10.

Categories

LeetCode

Algorithms

.NET

Programming

C#

.NET C#

Docker

DevOps

Healthcare-IT

FHIR

Distributed Systems

Azure