数据结构上机习题10：快速排序和希尔排序

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

void ShellSort(int V[], int n){
    int compcnt=0,movecnt=0;
    
    int d=n, x, i, j,k;
    while (d > 1){   
        d = d/2;
        for (i=d; i<n; i++){     
            x = V[i];   
            j = i-d;
            while (j >= 0 && V[j] > x){
                compcnt++;
                movecnt++;
                V[j+d] = V[j];      
                j = j-d;
            }
            V[j+d] = x;
            movecnt++;
        }
    }
    printf("\nthe compcnt and movecnt of shellsort are %d and %d\n",compcnt,movecnt);
}

void QuickSort(int V[],int low, int high){  
    int i, j, x, k;
    int compcnt=0,movecnt=0;

    if (low <= high){   
        i=low+1;  j=high;  k=V[low];
        while (i<j){
            compcnt++;  
            while (low<j && V[j]>=k) j--;compcnt++;
            while (i<high && V[i]<k) i++;compcnt++;
            if (i<j){
                movecnt++;
                x=V[i];   V[i]=V[j];  V[j]=x;  
            }
        }
        if (low+1==high && V[low]<V[high]) j=low;
        V[low]=V[j];  V[j]=k;
        movecnt++;
        QuickSort(V, low, j-1);    QuickSort(V, j+1, high);
    }    
    printf("the compcnt and movecnt of quicksort are %d and %d\n",compcnt,3*movecnt);   
}

int main(){
    int A[100],B[100],i;
    srand(time(NULL));

    for(i=0;i<100;i++){
        A[i] = rand()%100;
        B[i] = A[i];
        printf("%d ",A[i]);
    }
    int n = sizeof(A)/sizeof(A[0]);

    ShellSort(A,n);
    printf("\n");
    for(i=0;i<100;i++){
        printf("%d ",A[i]);
    }
    QuickSort(B,0,n-1);
    printf("\n");
    for(i=0;i<100;i++){
        printf("%d ",B[i]);
    }
    return 0;
}