Answer / pavan_mustyala

/**********
First construct the structure with total count on numbers
to be added. Now these members are accessed via that
structure variables. In the below example, structure
contains 2 numbers only.
***********/
#include <stdio.h>

struct numbers
{
int num1;
int num2;
};

void main()
{
struct numbers mpk;
int result;

printf("Enter two numbers");
scanf("%d%d",&mpk.num1, &mpk.num2);

result = mpk.num1 + mpk.num2;
}

#define prod(a,b) a*b main() { int x=3,y=4; printf("%d",prod(x+2,y-1)); }

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