Write a function is_sorted(arr) that checks whether an array is sorted in non-decreasing (ascending) order. Return True or False.
Example:
Input: arr = [1, 2, 3, 4, 5]
Output: True
Input: arr = [1, 3, 2, 4, 5]
Output: False
Constraints:
Test Cases
Test Case 1
Input:
[1, 2, 3, 4, 5]Expected:
TrueTest Case 2
Input:
[1, 3, 2, 4, 5]Expected:
FalseTest Case 3
Input:
[5, 4, 3, 2, 1]Expected:
False+ 2 hidden test cases