Subject : Structured Programming Approach

Title : Functions and Parameter

Marks : 6M

#include<stdio.h>
#include<conio.h>
void main()
{
int no1,no2,gcd;
int GCD (int no1, int no2);
clrscr();
printf("Enter two numbers:");
scanf("%d %d",&no1,&no2);
gcd=GCD(no1,no2);
if(gcd==1)
printf("GCD doesnt exist");
else
printf("GCD=%d",gcd);
getch();
  }
  int GCD (int no1, int no2)
 {
int gcd;
if(no1<no2)
gcd=no1;
else
gcd=no2;
while(no1%gcd!=0 || no2%gcd!=0)
{
    gcd--;
}
return gcd;
 }