find the hcf of a number c-basics

Author: kartikgandhi

hcf.c

@@ -0,0 +1,18 @@
+#include<stdio.h>
+#include<math.h>
+void main()
+{
+    int a,b,n;
+    printf("Enter the number1");
+    scanf("%d",&a);
+    printf("Enter the number2");
+    scanf("%d",&b);
+    while(n!=0)
+    {
+        n=a-b;
+        n=abs(n);
+        b=a;
+        a=n;
+    }
+    printf("%d",b);
+}