[Solved] Guide to changing int main() [duplicate]

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You create new functions and call them from main:

void foo() {}
void goo() {}

int main()
{
  foo();
  goo();
}

There’s nothing technically wrong with having main1 or main2 methods, but there’s only one entry point of a valid C++ program, and that’s main.

solved Guide to changing int main() [duplicate]