Iron Round 1 Solutions

The first contest has finished! Thank you to everyone who has participated. The solutions can be found here: https://drive.google.com/file/d/18OmWDPGKvCmEVAuxDMdGd22fbGH6ummX/view?usp=sharing. We would really appreciate it if users could also fill out the following Google form so that we can get some specific feedback: https://docs.google.com/forms/d/e/1FAIpQLSdvRmuxz1p0tPlc0_qxyX4ZnYgnMCKIojg0PgPmllro7hJ9fg/viewform?usp=dialog. There will be a competition next week for both the iron and bronze levels!