What is redefinition int main() in C++

Answer 1

Can you upload and share the code link for inspection purposes?

https://www.sololearn.com/post/75089/?ref=app

Answer 2

Becz you have written main function in your code but in the editor it already defined or may be there written u dont need to write main function that's why its overriding. These things often happening in the test cases question in competitive programming

Answer 3

Please always tag the language you're asking about.
https://code.sololearn.com/W3uiji9X28C1/?ref=app