After you have finished checking that the code is correct and works perfectly, which service do you upload the code to in order to display it?
According to the official rules, after verifying that your code is correct and works perfectly, you need to upload it as part of your submission. However, the official rules do not specify a particular service for uploading the code to display it. Instead, it is required that the code must be uploaded along with your submission when entering the competition.
For more detailed information, refer to the “Submission requirements” subsection of Section 5: “HOW TO ENTER” in the official rules of the Gemini API Developer Competition.