project-euler

Tasks from projecteuler.net website

Disclaimer

All solutions are encrypted:

It was encrypted using openssl command. Here is an example for problem #11:

openssl aes-256-cbc -e -a -in problem-11.lua -out problem-11.lua.enc

To decrypt it you have to solve it first and then use the answer as a password:

openssl enc -aes-256-cbc -d -a -in problem-11.lua.enc

Usage

.c files

Compile and run:

cd 0001-problem && clang problem-1.c && ./a.out

.lua files

Just run it as an executable:

0011-problem/problem-11.lua

Installing lua

Mac OS:

brew install lua
# or
brew install tarantool

Important topics

Problem 3

• Prime factorization (MathWorld)
• Prime factorization Algorithms (MathWorld)
• Integer Factorization Algorithms - Connelly Barnes, Department of Physics, Oregon State University (December 7, 2004)

Problem 5

Interesting video from Numberphile on YouTube.