solves subtract the product and sum of digits of an integer

Author: anishLearnsToCode

README.md

@@ -330,7 +330,7 @@
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 | 1271 | 🔒 [Hexspeak](https://leetcode.com/problems/hexspeak)                                                                                                |                                                                                                                                                                             |                                                                                                                                   |
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-| 1281 | [Subtract the Product and Sum of Digits of a Integer](https://leetcode.com/problems/subtract-the-product-and-sum-of-digits-of-an-integer)            |                                                                                                                                                                             |                                                                                                                                   |
+| 1281 | [Subtract the Product and Sum of Digits of a Integer](https://leetcode.com/problems/subtract-the-product-and-sum-of-digits-of-an-integer)            |                                              [![Java](assets/java.png)](src/SubtractTheProductAndSumOfDigitsOfAnInteger.java)                                               |                                                                                                                                   |
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 | 1295 | [Find Numbers With Even Numbers of Digits](https://leetcode.com/problems/find-numbers-with-even-number-of-digits)                                    |                                                                                                                                                                             |                                                                                                                                   |

src/SubtractTheProductAndSumOfDigitsOfAnInteger.java

@@ -0,0 +1,12 @@
+public class SubtractTheProductAndSumOfDigitsOfAnInteger {
+    public int subtractProductAndSum(int n) {
+        int product= 1, sum = 0, digit;
+        while (n > 0) {
+            digit = n % 10;
+            product *= digit;
+            sum += digit;
+            n /= 10;
+        }
+        return product - sum;
+    }
+}