Summary\n\nThis MR improves the quicksort algorithm implementation with several optimizations:\n\n### Changes Made\n1. Median-of-three pivot selection for non-inplace quicksort\n2. Random pivot selection for inplace quicksort to avoid worst-case performance\n3. Insertion sort optimization for small arrays (size <= 10)\n\n### Benefits\n- Better average-case performance\n- Avoids worst-case O(n²) time complexity\n- More efficient for small arrays\n- All existing tests continue to pass\n\n### Testing\n- All 13 existing unit tests pass\n- Manual testing with various input cases\n\n### Related Issue\nCloses #1 (closed)