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Implemented in Rust and compiled to WebAssembly.

Implemented in Rust and compiled to WebAssembly.

How to make and use one

Why is it so crucial to improve your worst performances?

My own journey - A three part series

100x Coding Speed Increase Guaranteed!

Tips and tricks for how to represent lines in code.

2021 ICPC Asia Shanghai Regional Programming Contest, Problem H

Using Unison to sync to the cloud.

How they used style transfer techniques to improve a GAN

My experience solving assorted challenges in PicoCTF 2021

My experience solving web exploitation challenges in PicoCTF 2021

My experience solving general skills challenges in PicoCTF 2021

A beginner's guide to CTFs, based on my own personal experiences starting out!

A list of common command line tools that are useful for solving CTFs

A list of useful tools and software for capture the flags.

How to nab every flag in the COMP6841 Tutor CTF

(300 points) Web Challenge

(750 points) Reverse Engineering Challenge

(500 points) Pwn Challenge

(500 points) Misc. Challenge

(450 points) Binary Exploitation Challenge

(300 points) Reverse Engineering Challenge

(300 points) Crypto Challenge

(200 points) Forensics Challenge

(200 points) Forensics Challenge

(200 points) Forensics Challenge

(200 points) Forensics Challenge

(300 points) Binary Exploitation Challenge

(200 points) Binary Exploitation Challenge

(250 points) Crypto Challenge

(250 points) Misc. Challenge

(150 points) Misc. Challenge

(140 points) Crypto Challenge

(100 points) Misc Challenge

Explanations for every last problem in the 2021 AIO.

2021 AIO Problem 6 Solution

2021 AIO Problem 5 Solution

2021 AIO Problem 4 Solution

2021 AIO Problem 3 Solution

2021 AIO Problem 2 Solution

2021 AIO Problem 1 Solution

Explanations for all problems in the 2018 Asia Signapore ICPC Regionals

Explanations for all problems in the 2020 AIO.

How to use brute force algorithms to debug your code (with code examples)!

2018 ICPC Asia Singapore Regional Contest, Problem E Solution

2018 ICPC Asia Singapore Regional Contest, Problem D Solution

2018 ICPC Asia Singapore Regional Contest, Problem I Solution

A test blog post that contains all the markdown commonly used in writeups

2018 ICPC Asia Singapore Regional Contest, Problem F Solution

2018 ICPC Asia Singapore Regional Contest, Problem H Solution

2018 ICPC Asia Singapore Regional Contest, Problem K Solution

2018 ICPC Asia Singapore Regional Contest, Problem A Solution

2018 ICPC Asia Singapore Regional Contest, Problem G Solution

2018 ICPC Asia Singapore Regional Contest, Problem C Solution

2018 ICPC Asia Singapore Regional Contest, Problem L Solution

2018 ICPC Asia Singapore Regional Contest, Problem B Solution

2018 ICPC Asia Singapore Regional Contest, Problem J Solution

2020 AIO Problem 1 Solution

Using memset to make array initialisation a breeze

Find out more about who I am, and why I chose to make a site!