Tutorials

C# Delegate Equivalent in Java

This article will guide you how to achieve C# delegate-like feature in Java

Posted December 6, 2022 by Hary Prabowo Suryoatmojo ‐ 3 min read

Partition Equal Subset Sum

This tutorial will show some algorithms to solve Partition Equal Subset Sum problem that often appears in coding interview or competitive programming contest.

Posted October 24, 2022 by Hary Prabowo Suryoatmojo ‐ 3 min read

Paint Fence

This tutorial will show some algorithms to solve Paint Fence problem that often appears in coding interview or competitive programming contest.

Posted October 22, 2022 by Hary Prabowo Suryoatmojo ‐ 3 min read

Paint House

This tutorial will show some algorithms to solve Paint House problem that often appears in coding interview or competitive programming contest.

Posted September 30, 2022 by Hary Prabowo Suryoatmojo ‐ 3 min read

Delete and Earn

This tutorial will show some algorithms to solve Delete and Earn problem that often appears in coding interview or competitive programming contest.

Posted September 24, 2022 by Hary Prabowo Suryoatmojo ‐ 5 min read

House Robber II

This tutorial will show some algorithms to solve House Robber II problem that often appears in coding interview or competitive programming contest.

Posted September 23, 2022 by Hary Prabowo Suryoatmojo ‐ 5 min read

House Robber

This tutorial will show some algorithms to solve House Robber problem that often appears in coding interview or competitive programming contest.

Posted September 21, 2022 by Hary Prabowo Suryoatmojo ‐ 4 min read

Maximum Score from Performing Multiplication Operations

This tutorial will show some algorithms to solve Maximum Score from Performing Multiplication Operations problem.

Posted September 12, 2022 by Hary Prabowo Suryoatmojo ‐ 6 min read

Trie Implementation in C#

This tutorial will show how to implement Trie data structure in C#.

Posted September 6, 2022 by Hary Prabowo Suryoatmojo ‐ 4 min read

Longest Palindromic Substring

This tutorial will show some algorithms to find the longest palindromic substring in a string.

Posted August 13, 2022 by Hary Prabowo Suryoatmojo ‐ 3 min read

How to Mock Static Method or Property in C#

How to Mock Static Method or Property in C#.

Posted August 10, 2022 by Hary Prabowo Suryoatmojo ‐ 3 min read

Find the Kth Largest Integer in the Array

This tutorial will show some algorithms to find the Kth Largest Integer in an Array.

Posted December 14, 2021 by Hary Prabowo Suryoatmojo ‐ 4 min read

Insert Delete GetRandom O(1)

This tutorial will show how to design RandomizedSet class that has average O(1) time complexity for each Insert, Delete and GetRandom functionality

Posted November 28, 2021 by Hary Prabowo Suryoatmojo ‐ 3 min read

Kth Largest Element in an Array

This tutorial will show some algorithms to find Kth Largest Element in an Array.

Posted November 28, 2021 by Hary Prabowo Suryoatmojo ‐ 3 min read

Top K Frequent Elements

This tutorial will show some algorithms to solve Top K Frequent Elements problem.

Posted November 24, 2021 by Hary Prabowo Suryoatmojo ‐ 9 min read

Top K Frequent Words

This tutorial will show some algorithms to find Top K Frequent Words in an array of strings.

Posted November 14, 2021 by Hary Prabowo Suryoatmojo ‐ 2 min read

Median of Two Sorted Arrays

This tutorial will show some algorithms to find median of two sorted arrays.

Posted November 7, 2021 by Hary Prabowo Suryoatmojo ‐ 2 min read

Intersection of Two Linked Lists

This tutorial will show some algorithms to find the intersection of two linked lists.

Posted October 26, 2021 by Hary Prabowo Suryoatmojo ‐ 4 min read

Happy Number Problem

This tutorial will show some algorithms to check whether a number is happy or not.

Posted October 8, 2021 by Hary Prabowo Suryoatmojo ‐ 6 min read

Merge Intervals Problem

This tutorial will show you how to solve Merge Intervals problem.

Posted October 6, 2021 by Hary Prabowo Suryoatmojo ‐ 2 min read

Count Binary Substrings

This tutorial will show you how to solve Count Binary Substrings problem.

Posted October 5, 2021 by Hary Prabowo Suryoatmojo ‐ 2 min read

How to Detect Cycle in a Linked List

This tutorial will show you some algorithms to detect whether a Linked List contains a cycle.

Posted March 5, 2021 by Hary Prabowo Suryoatmojo ‐ 2 min read

Minimum Time Visiting All Points

This tutorial will show you how to solve Minimum Time Visiting All Points problem.

Posted February 28, 2021 by Hary Prabowo Suryoatmojo ‐ 3 min read

C# Enum

In C#, Enum is a value type whose members are named constant and its underlying value is integer.

Posted February 20, 2021 by Hary Prabowo Suryoatmojo ‐ 3 min read

Fix Invalid Filename Deployment Error in Hugo

This tutorial will show you how to fix 'Invalid Filename: Deployed filenames cannot contain # or ? characters' Deployment Error in Hugo.

Posted February 14, 2021 by Hary Prabowo Suryoatmojo ‐ 2 min read

Adding Content Security Policy (CSP) to Hugo Site

This tutorial will show you how to add Content Security Policty (CSP) to Hugo site.

Posted February 4, 2021 by Hary Prabowo Suryoatmojo ‐ 2 min read

Func and Action Equivalent in Java

This tutorial will show you how to achieve Func and Action functionality in Java.

Posted January 27, 2021 by Hary Prabowo Suryoatmojo ‐ 2 min read

How to Add Google Analytics to Hugo Site

This tutorial will show you how to add Google Analytics to Hugo site.

Posted January 17, 2021 by Hary Prabowo Suryoatmojo ‐ 2 min read

How to Add and Modify Hugo Syntax Highlighting

This tutorial will show you how to add and modify Hugo Syntax Highlighting.

Posted January 13, 2021 by Hary Prabowo Suryoatmojo ‐ 2 min read

How to Create Hugo Site

This tutorial will show you how to create a static website based on Hugo.

Posted January 6, 2021 by Hary Prabowo Suryoatmojo ‐ 2 min read