solves minimum operations to make the array increasing

Author: anishLearnsToCode

README.md

@@ -444,7 +444,7 @@
 | 1816 | [Truncate Sentence](https://leetcode.com/problems/truncate-sentence)                                                                                      |                                                                [![Java](assets/java.png)](src/TruncateSentences.java)                                                                |                                                                                                                                   |
 | 1822 | [Sign of the Product of an Array](https://leetcode.com/problems/sign-of-the-product-of-an-array)                                                          |                                                            [![Java](assets/java.png)](src/SignOfTheProductOfAnArray.java)                                                            |                                                                                                                                   |
 | 1826 | 🔒 [Faulty Sensor](https://leetcode.com/problems/faulty-sensor)                                                                                           |                                                                                                                                                                                      |                                                                                                                                   |
-| 1827 | [Minimum Operations to Make the Array Increasing](https://leetcode.com/problems/minimum-operations-to-make-the-array-increasing)                          |                                                                                                                                                                                      |                                                                                                                                   |
+| 1827 | [Minimum Operations to Make the Array Increasing](https://leetcode.com/problems/minimum-operations-to-make-the-array-increasing)                          |                                                    [![Java](assets/java.png)](src/MinimumOperationsToMakeTheArrayIncreasing.java)                                                    |                                                                                                                                   |
 | 1832 | [Check if the Sentence Is Pangram](https://leetcode.com/problems/check-if-the-sentence-is-pangram)                                                        |                                                                                                                                                                                      |                                                                                                                                   |
 | 1837 | [Sum of Digits in Base K](https://leetcode.com/problems/sum-of-digits-in-base-k)                                                                          |                                                                                                                                                                                      |                                                                                                                                   |
 | 1844 | [Replace All Digits with Characters](https://leetcode.com/problems/replace-all-digits-with-characters)                                                    |                                                                                                                                                                                      |                                                                                                                                   |

src/MinimumOperationsToMakeTheArrayIncreasing.java

@@ -0,0 +1,14 @@
+// https://leetcode.com/problems/minimum-operations-to-make-the-array-increasing
+// T: O(N)
+// S: O(1)
+
+public class MinimumOperationsToMakeTheArrayIncreasing {
+    public int minOperations(int[] nums) {
+        int operations = 0;
+        for (int index = 1, current = nums[0] ; index < nums.length ; index++) {
+            operations += Math.max(0, current - nums[index] + 1);
+            current = Math.max(current + 1, nums[index]);
+        }
+        return operations;
+    }
+}