1 files changed, 21 insertions(+), 11 deletions(-)

M programs/gcd.c

@@ 2,7 2,12 @@
 #include <stdio.h>
 #endif
 
-int int_remainder(int a, int b) {
+int int_remainder(int a, int b)
+{
+    if (b == 0) {
+        return 0;
+    }
+
     while (a >= b) {
         a -= b;
     }


@@ 23,25 28,30 @@ int gcd(int a, int b)
     return previous_r;
 }
 
+#ifdef unix
 void main()
 {
-    int a = 1071;
-    int b = 462;
-
-    #ifdef unix
+    int a, b;
     printf("a: ");
     scanf("%d", &a);
     printf("b: ");
     scanf("%d", &b);
-    #endif
+    int res = gcd(a, b);
+    printf("%d\n", res);
+}
+#else
+void main()
+{
+    int* a_address = (int*)4;
+    int* b_address = (int*)8;
+
+    int a = *a_address;
+    int b = *b_address;
 
     int res = gcd(a, b);
 
-    #ifdef unix
-    printf("%d\n", res);
-    #else
     int* result_address = 0;
     *result_address = res;
-    #endif
-
 }
+#endif
+