1、data.length;i+) for(int j=i;(j0)&(dataji; if(datajdataj-1)选择排序:public class SelectionSort implements SortUtil.Sort /* * (non-Javadoc) * for (int i = 0; i i; j-) if (dataj 2;i/=2) for(int j=0;j1) quickSort(data,i,k-1); if(j-k)1) quickSort(data,k+1,j); * return private int partition(int data, int l, i
2、nt r,int pivot) do while(data+l SortUtil.swap(data,l,r); while(l0) int j=stacktop-; int i=stacktop-; pivotIndex=(i+j)/2; pivot=datapivotIndex; /partition l=i-1; r=j;(data-rpivot); SortUtil.swap(data,l,j); if(l-i)THRESHOLD) stack+top=i; stack+top=l-1; if(j-l) stack+top=l+1; stack+top=j; /new InsertSo
3、rt().sort(data); insertSort(data); private void insertSort(int data) 归并排序:public class MergeSort implements SortUtil.Sort int temp=new intdata.length; mergeSort(data,temp,0,data.length-1); private void mergeSort(int data,int temp,int l,int r) int mid=(l+r)/2; if(l=r) return ; mergeSort(data,temp,l,m
4、id); mergeSort(data,temp,mid+1,r); for(int i=l;=r; tempi=datai; int i1=l; int i2=mid+1; for(int cur=l;curr) datacur=tempi1+; else if(tempi1= THRESHOLD) mergeSort(data, temp, l, mid); insertSort(data, l, mid - l + 1); if (r - mid) THRESHOLD) mergeSort(data, temp, mid + 1, r); insertSort(data, mid + 1
5、, r - mid); for (i = l;= mid; tempi = datai; for (j = 1; j = r - mid; j+) tempr - j + 1 = dataj + mid; int a = templ; int b = tempr; for (i = l, j = r, k = l; k = r; k+) if (a b) datak = tempi+; a = tempi; else datak = tempj-; b = tempj; * param l private void insertSort(int data, int start, int len
6、) for(int i=start+1;start+len;start) & datajdataj-1;堆排序:public class HeapSort implements SortUtil.Sort MaxHeap h=new MaxHeap(); h.init(data);i+) h.remove(); System.arraycopy(h.queue,1,data,0,data.length); private static class MaxHeap void init(int data) this.queue=new intdata.length+1; queue+size=datai; fixUp(size); private int size=0; private int queue; public int get() return queue1; public void remove() SortUtil.swap(queue,1,size-); fixDown(1); /fixdown private void fixDown(int k) int j; while (j = k 1) = size) if (j size & queuejqueue
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