binary_search.c

#include<stdio.h>
int arr_len;
int main()
{
int n=1;
int mid;
int key;
printf("enter length of array ");
scanf("%d",&arr_len);
int arr[10];


for(n;n<=arr_len;n++)
scanf("%d",&arr[n]);

//n=1;

//for(n;n<=arr_len;n++)
//printf("%d",arr[n]);
printf("enter key");
scanf("%d",&key);
n=1;

}