June 2018 Update

Task/Factorial/C/factorial-3.c

@@ -1,7 +1,3 @@
-int fac_aux(int n, int acc) {
-    return n < 1 ? acc : fac_aux(n - 1, acc * n);
-}
-
 int factorial(int n) {
-    return fac_aux(n, 1);
+    return n == 0 ? 1 : n * factorial(n - 1);
 }