What is use of int main

Question

can somebody define into main easing

Answer 1

because when you run a program the program starts from main method so if you do not use main method than program will not run because no main method used.

Answer 2

question not clear .please briefly explain so that i can answer .

Answer 3

what is use of (int main) in c++

Answer 4

why we use int main in c++