Merge pull request #35 from fartem/3536-Maximum-Product-of-Two-Digits

2025-05-05 v. 1.0.6: added "3536. Maximum Product of Two Digits"

Author: fartem

README.md

@@ -42,3 +42,4 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/).
 | 500. Keyboard Row                               | [Link](https://leetcode.com/problems/keyboard-row/)                               | [Link](./lib/easy/500_keyboard_row.dart)                               |
 | 3280. Convert Date to Binary                    | [Link](https://leetcode.com/problems/convert-date-to-binary/)                     | [Link](./lib/easy/3280_convert_date_to_binary.dart)                    |
 | 3516. Find Closest Person                       | [Link](https://leetcode.com/problems/find-closest-person/)                        | [Link](./lib/easy/3516_find_closest_person.dart)                       |
+| 3536. Maximum Product of Two Digits             | [Link](https://leetcode.com/problems/maximum-product-of-two-digits/)              | [Link](./lib/easy/3536_maximum_product_of_two_digits.dart)             |

lib/easy/3536_maximum_product_of_two_digits.dart

@@ -0,0 +1,15 @@
+class Solution {
+  int maxProduct(int n) {
+    final digits = [];
+
+    while (n != 0) {
+      digits.add(n % 10);
+
+      n = n ~/ 10;
+    }
+
+    digits.sort();
+
+    return digits[digits.length - 1] * digits[digits.length - 2];
+  }
+}

pubspec.yaml

@@ -1,6 +1,6 @@
 name: leetcode_dart
 description: Some solved problems from https://leetcode.com on Dart
-version: 1.0.5
+version: 1.0.6
 homepage: https://github.com/fartem/leetcode-dart
 
 environment:

test/easy/3536_maximum_product_of_two_digits_test.dart

@@ -0,0 +1,33 @@
+import 'package:leetcode_dart/easy/3536_maximum_product_of_two_digits.dart';
+import 'package:test/test.dart';
+
+void main() {
+  group(
+    'Example tests',
+    () {
+      final solution = Solution();
+
+      test(
+        '3',
+        () => expect(
+          3,
+          solution.maxProduct(31),
+        ),
+      );
+      test(
+        '4',
+        () => expect(
+          4,
+          solution.maxProduct(22),
+        ),
+      );
+      test(
+        '8',
+        () => expect(
+          8,
+          solution.maxProduct(124),
+        ),
+      );
+    },
+  );
+}