#include <stdio.h>#include <stdlib.h>#include <time.h>void quiksort(int a[],int low,int high){ int i = low; int j = high; int temp = a[i]; if( low < high) {  while(i < j)  {   while((a[j] >= temp) && (i < j))   {    j--;   }   a[i] = a[j];   while((a[i] <= temp) && (i < j))   {    i++;   }   a[j]= a[i];  }  a[i] = temp;  quiksort(a,low,i-1);  quiksort(a,j+1,high); } else {  return; }}int search(int x, int v[], int n){ int low, high, mid; low = 0; high = n - 1; while ( low <= high ) {  mid = (low + high) / 2;  if(x < v[mid]){   high = mid - 1;  }  else if(x > v[mid]){   low = mid + 1;  }  else{   return mid;  } } return -1;}int main(){ int arry[100] ; int i,j; srand((unsigned)time(NULL)); //產生不同的隨機數 for(i=0;i<100;i++) {  j = rand()%100;  //if(i%2==0) //產生負數  //j =-j;  arry[i]=j; } int location; int number ; quiksort(arry,0,99);//隨機數先進行排序 for(i=0;i<100;i++) {  printf("%d ",arry[i]); } printf("/n"); printf("請輸入你要查找的數字"); scanf("%d",&number); location = search(number, arry, 100); printf("%d/n", location); return 0;}