Create subtract-the-product-and-sum-of-digits-of-an-integer.cpp

Author: kamyu104

C++/subtract-the-product-and-sum-of-digits-of-an-integer.cpp

@@ -0,0 +1,14 @@
+// Time:  O(n)
+// Space: O(1)
+
+class Solution {
+public:
+    int subtractProductAndSum(int n) {
+        int product = 1, total = 0;
+        for (; n; n /= 10) {
+            product *= n % 10;
+            total += n % 10;
+        }
+        return product - total;
+    }
+};