QuickSort (MFC)

#include "stdafx.h" #include <afxmt.h> #include <iostream> #include <afxwin.h> #include "time.h" # Define Num 10000000using namespace Std;long wht_length;long wht_array[num];long Wht_array1[num];long Wht_array2[num]; CEvent FaxEvent1 (FALSE); CEvent FaxEvent2 (FALSE); CEvent FaxEvent3 (FALSE); CEvent faxevent (FALSE);/* Function name: QuickSort * Function: Serial fast sequencing of array sequences with starting and ending positions of Wht_start and Wht_end. * Input: Unordered array wht_array[1,wht_n] * return: Ordered array wht_array[1,wht_n] */int QuickSort (long R[],long Wht_start, long wht_end) {long i=w Ht_start,j=wht_end;long wht_tmp;if (wht_start<wht_end) {wht_tmp=r[wht_start];while (i!=j) {while (j>i& &wht_array[j]>=wht_tmp) J--;wht_array[i]=wht_array[j];while (i<j&&r[i]<=wht_tmp) i++;wht_ Array[j]=wht_array[i];} wht_array[i]=wht_tmp; QuickSort (wht_array,wht_start,i-1); QuickSort (Wht_array,i+1,wht_end); }return 0;} /* Function Name: QUICKSORT1 * Function: Serial fast sequencing of array sequences with starting and ending positions of Wht_start and Wht_end. * Input: Unordered array WHT_ARRAY[1,WHT_N/2] * return: Ordered array WHT_ARRAY[1,WHT_N/2] */int QuickSort1 (longWht_array1[],long Wht_start, Long wht_end) {long I=wht_start,j=wht_end;long wht_tmp;if (wht_start<wht_end) {wht_tmp =wht_array1[wht_start];while (I!=J) {while (j>i&&wht_array1[j]>=wht_tmp) j--;wht_array1[i]=wht_ Array1[j];while (i<j&&wht_array1[i]<=wht_tmp) i++;wht_array1[j]=wht_array1[i];} wht_array1[i]=wht_tmp; QuickSort1 (wht_array1,wht_start,i-1); QuickSort1 (Wht_array1,i+1,wht_end); }return 0;} /** function Name: Merge * Function: Merges the two arrays that are already sorted to form an ordered array. * Input: Ordered array WHT_ARRAY2[1,WHT_N/2],WHT_ARRAY1[1,WHT_N/2] * return: Ordered array wht_array[1,wht_n] */void Merge (Long wht_array[],long Wht_start,long Wht_mid,long wht_length) {Long *wht_array_temp;long i=wht_start,j=wht_mid+1,wht_k=0;wht_array_temp= ( Long *) malloc ((wht_length-wht_start+1) *sizeof (long)), while (i<=wht_mid&&j<=wht_length) if (Wht_array [I]<=wht_array[j]) {wht_array_temp[wht_k]=wht_array[i];i++;wht_k++;} else{wht_array_temp[wht_k]=wht_array[j];j++;wht_k++;} while (I<=wht_mid) {WHT_ARRAY_TEMP[WHT_K]=WHT_ARRAY[I];I++;WHt_k++;} while (j<=wht_length) {wht_array_temp[wht_k]=wht_array[j];j++;wht_k++;} for (wht_k=0,i=wht_start;i<=wht_length;wht_k++,i++) Wht_array[i]=wht_array_temp[wht_k];free (wht_array_temp);} UINT threadProc4 (lpvoid param) {{QuickSort (wht_array,0,wht_length/2-1);} SetEvent (faxEvent1); return 0;} UINT threadProc5 (lpvoid param) {{QuickSort (wht_array,wht_length/2,wht_length-1);} SetEvent (faxEvent2); return 0;} UINT threadProc6 (lpvoid param) {{Merge (wht_array,0,wht_length/2-1, wht_length-1);} SetEvent (FAXEVENT3); return 0;} UINT threadProc7 (lpvoid param) {{QuickSort1 (wht_array1,0,wht_length-1);} SetEvent (faxevent); return 0;} int _tmain (int argc, _tchar* argv[]) {//cout<< "MFC implementation" <<endl;//cout<< "input array length: =";//cin>>wht_ Length;//while (TRUE) {printf ("Please enter the number of random numbers generated:"); cin>>wht_length;/* read out the correct cin>>wht_length; return; otherwise, continue to require input * if ((wht_length>=90000) && (wht_length<=10000000)) {//break;} printf ("Input error, number range is [90000~100000]");} cout<< "Random number Generation:" <<endl;srand (396); for (int i=0;i<wht_length;i++) {wht_array[i]=rand ();//Generate random number wht_array1[i]=wht_array[i];cout<<wht_array[i]< < "";}    cout<<endl;clock_t T1=clock (); AfxBeginThread (Threadproc7,null); WaitForSingleObject (faxevent,infinite); clock_t t2=clock ();cout<< "serial result" <<endl;for (int i=0;i<wht_ length;i++) cout<<wht_array[i]<< ""; cout<<endl;double cost1=t2-t1;cout<< "Serial Time: =" << cost1<<endl;clock_t T3=clock (); AfxBeginThread (Threadproc4,null); AfxBeginThread (Threadproc5,null); WaitForSingleObject (Faxevent1,infinite); WaitForSingleObject (Faxevent2,infinite); AfxBeginThread (Threadproc6,null); WaitForSingleObject (faxevent3,infinite); clock_t t4=clock ();cout<< "parallel Result:" <<endl;for (int i=0;i<wht_ length;i++) cout<<wht_array[i]<< ""; cout<<endl;double cost2=t4-t3;cout<< "Parallel Time: =" << cost2<<endl;cout<< "acceleration ratio:" <<cost1/cost2<<endl;system ("pause"); return 0;}

QuickSort (MFC)