added function to ensure that the value of kgV is always positive

src/kgV/kgV.c

@@ -1,7 +1,10 @@
 #include <stdio.h>
+#include <stdlib.h>
 #include "ggT.h"
 
 int kgV(int a, int b){
     if(a == 0 || b == 0) return 0;
-    return a*b/ ggT(a, b);
+    int kgV = a*b/ ggT(a, b);
+    int absoluteKgV = abs(kgV);
+    return absoluteKgV;
 }