Check if Array is Sorted or Not | CodeChef & LeetCode | Java Solution
In this video, I explain how to check whether an array is sorted or not using a simple and efficient approach in Java.
Code link: https://docs.google.com/document/d/1K...
This problem is commonly asked in:
CodeChef practice problems
LeetCode beginner problems
Campus placement interviews
DSA fundamentals
Understanding how to verify if an array is sorted is very important because it helps in:
Applying Binary Search
Solving rotated array problems
Optimizing sorting-related logic
Improving algorithm thinking
Topics covered in this video:
What does "sorted array" mean?
Ascending vs Descending order
Step by step logic explanation
Java implementation
Time complexity analysis
Edge cases discussion
Example:
Input: [1, 2, 3, 4, 5]
Output: Sorted
Input: [1, 3, 2, 4, 5]
Output: Not Sorted
Time Complexity: O(n)
Space Complexity: O(1)
This video is helpful for beginners learning Data Structures and Algorithms and for students preparing for coding interviews.
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