Need help verifying contract

Hi, I'm having a problem verifying this contract for my assignment, can anyone help me with this
The first image is the code i was required from my lecture
The second image is the deploy step
Last image is the error I am having
Hope I can have some solution soon. Thank you so much



sorry, im quite new to this, what is TG

oh yeah, i do have it

oh, i got it, u have to flatten the sol file first

Hi, welcome to the community! :wave:

I think you can have a look at this topic: How to verify a contract on Etherscan/BscScan/PolygonScan