1 #include <stdio.h> 2  3 void bubble(int *arr, int length) 4 { 5     int i, j, tmp; 6     for(i=0;i<length-1;i++) 7     { 8         for(j=0;j<length-1-i;j++) 9         {10             if(arr[j]>arr[j+1])11             {12                 tmp = arr[j];13                 arr[j] = arr[j+1];14                 arr[j+1] = tmp;15             }16         }17     }18 19 }20 21 int search(int *arr, int key, int high, int low)22 {23     int middle = 0;24     if(high<low)25         return -1; 26     middle = (low+high)/2;27     printf("hello\n");28     if(arr[middle] == key)29     {   30         return middle;31     }   32     else if(arr[middle]<key)33         return search(arr, key, high, middle+1);34     }35     else36     {37         return search(arr, key, middle-1, low);38     }39 }40 41 int main()42 {43     int i = 0;44     int a[] = {1, 32, 5, 56, 39, 4, 67, 83, 25, 98};45     46     for(i=0;i<10;i++)47     {   48         printf("%d\t", a[i]);49     }50     printf("\n");51     bubble(a, 10);52     i = search(a, 32, 9, 0);53     printf("i=%d\n", i);54     for(i=0;i<10;i++)55     {   56         printf("%d\t", a[i]);57     }58     printf("\n");59     return 0;60 }