Create 1846-maximum-element-after-decreasing-and-rearranging.js

Author: everthis

1846-maximum-element-after-decreasing-and-rearranging.js

@@ -0,0 +1,13 @@
+/**
+ * @param {number[]} arr
+ * @return {number}
+ */
+const maximumElementAfterDecrementingAndRearranging = function(arr) {
+    arr.sort((a, b) => a - b);
+    arr[0] = 1;
+    for(let i = 1; i < arr.length; i++) {
+        if(arr[i] <= arr[i - 1] + 1) continue;
+        arr[i] = arr[i - 1] + 1;
+    }
+    return arr[arr.length - 1];
+};