INTERVIEW QUESTIONS PROGRAMMING LANGUAGES SIGNATURE DETAILS

Question:
How a C program will execute(run) automatically even though you have not runned it?

Answer: by using functions
eg:
main()
{
sum();
}
sum()
{
int i,j;
printf("enter i,j values:");
scanf("%d%d",&i,&j);
printf("%d",i+j);
}

by using functions
eg:
main()
{
sum();
}
sum()
{
int i,j;
printf("enter i,j values:");
scanf("%d%d",&i,&j);
printf("%d",i+j);
}
Source: CoolInterview.com

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