Cycle Sort in Java — An In-Depth Guide
When preparing for interviews at top companies like Amazon, Google, and Microsoft , you will often encounter problems that require efficient in-place sorting . One such elegant yet lesser-known algorithm is Cycle Sort . Unlike traditional sorting algorithms, Cycle Sort minimizes the number of writes, making it highly efficient when write operations are costly. 🔹 What is Cycle Sort? Cycle Sort is an in-place, comparison-based sorting algorithm. It works by placing each element directly in its correct position using the concept of cycles . Once an element is placed in the right spot, we continue the cycle until the entire array is sorted. Key Features: Minimizes the number of write operations (best choice when memory writes are expensive). Performs sorting in-place with constant space complexity (O(1)). Has a time complexity of O(n²), which makes it less practical for large datasets. 🔹 How Cycle Sort Works Let’s break the algorithm into simple steps: Sta...