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Author: anishLearnsToCode

README.md

@@ -907,7 +907,7 @@
 | 3114 | [Latest Time You Can Obtain After Replacing Characters](https://leetcode.com/problems/latest-time-you-can-obtain-after-replacing-characters)                           |                                                                       [![Java](assets/java.png)](src/LatestTimeYouCanObtainAfterReplacingCharacters.java)                                                                        |                                                                                                                                   |
 | 3120 | [Count the Number of Special Characters I](https://leetcode.com/problems/count-the-number-of-special-characters-i)                                                     |                                                                             [![Java](assets/java.png)](src/CountTheNumberOfSpecialCharactersI.java)                                                                              |                                                                                                                                   |
 | 3127 | [Make a Square with the Same Color](https://leetcode.com/problems/make-a-square-with-the-same-color)                                                                   |                                                                                 [![Java](assets/java.png)](src/MakeASquareWithTheSameColor.java)                                                                                 |                                                                                                                                   |
-| 3131 | [Find the Integer Added to Array I](https://leetcode.com/problems/find-the-integer-added-to-array-i)                                                                   |                                                                                                                                                                                                                                  |                                                                                                                                   |
+| 3131 | [Find the Integer Added to Array I](https://leetcode.com/problems/find-the-integer-added-to-array-i)                                                                   |                                                                                 [![Java](assets/java.png)](src/FindTheIntegerAddedToArrayI.java)                                                                                 |                                                                                                                                   |
 | 3136 | [Valid Word](https://leetcode.com/problems/valid-word)                                                                                                                 |                                                                                                                                                                                                                                  |                                                                                                                                   |
 | 3142 | [Check if Grid Satisfies Conditions](https://leetcode.com/problems/check-if-grid-satisfies-conditions)                                                                 |                                                                                                                                                                                                                                  |                                                                                                                                   |
 | 3146 | [Permutation Difference between Two Strings](https://leetcode.com/problems/permutation-difference-between-two-strings)                                                 |                                                                                                                                                                                                                                  |                                                                                                                                   |

src/FindTheIntegerAddedToArrayI.java

@@ -0,0 +1,19 @@
+// https://leetcode.com/problems/find-the-integer-added-to-array-i
+// T: O(N)
+// S: O(1)
+
+public class FindTheIntegerAddedToArrayI {
+    public int addedInteger(int[] array1, int[] array2) {
+        final int min1 = smallestElement(array1);
+        final int min2 = smallestElement(array2);
+        return min2 - min1;
+    }
+
+    private static int smallestElement(int[] array) {
+        int result = Integer.MAX_VALUE;
+        for (int element : array) {
+            result = Math.min(result, element);
+        }
+        return result;
+    }
+}