clone with git clone --recurse-submodules https://github.com/GorgWorgington/pwnable_coin1_solution.git
One is written in C, the other in Rust
To build the C version, run gcc -lm -o solution solution.c
Then run with ./solution 128.61.240.205 9007
To build and run the Rust solution go into rust_solution/ and run
cargo run www.pwnable.kr 9007
you'll need cargo installed of course.