Is it necessary to start main function using int main??

Answer 1

the return type can vary eg. int , void ... but yes the function name must remain main

Answer 2

did your main function end with return 0;? you can't use return when using void.

Answer 3

int main () is not necessary but main function is necessary....

Answer 4

but I have tried void main but output showing error
showing necessary to use int main

Answer 5

you are allowed only one to choose for a program. which one? depending on your program's nature

Answer 6

Yes