Introduction - If you have any usage issues, please Google them yourself
		 
Common sorting algorithm is broadly divided into four categories: 
1 Insertion Sort: Insertion Sort (insert.c), shell sort (shellsort.c) 
2 Select Sort by: Select Sort (selectsort.c), heap sort (heapsort.c) 
3 exchange Sort: Bubble Sort (bubblesort.c), quick sort (quicksort.c) 
4. Merge sort (mgergesort.c)