Cpp: persistent burger task solution

Author: ProjectMutilation

cpp/codewars/persistentburger.cpp

@@ -0,0 +1,14 @@
+//https://www.codewars.com/kata/55bf01e5a717a0d57e0000ec
+
+int persistence(long long value){
+    int steps = 0;
+    while (value/10 != 0){
+        long long counter = 1;
+        for(; value != 0;value = value/10){
+            counter *= value%10;
+        }
+        value = counter;
+        steps++;
+    }
+    return steps;
+}