Update greedy_algorithms/digit_separation.cpp

Co-authored-by: realstealthninja <[email protected]>

Author: mjk22071998

greedy_algorithms/digit_separation.cpp

@@ -138,6 +138,8 @@ void tests(){
     assert(forwardOrder == expectedForward);
 }
 
+    reverseOrder = ds.digitSeparationReverseOrder(number);
+    assert(reverseOrder == expectedReverse);
 int main() {
     tests();