c question, what is the problem ?

Question

#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
int blsearch(int st[],int len,int no)
{
int mid,low=0,high=len-1;
while(low<=high)
{
mid=(low+high)/2;
if(no<st[mid])
high=mid-1;
else if(no>st[mid])
low=mid+1;
else
return mid;
}
return -1;
}
void binarysearch(int temp[],int len,int y)
{
int i,j,item,a;
for(i=len-1;i>0;i--)
for(j=0;j<i;j++)
if(temp[j]>temp[j+1])
{
item=temp[j];
temp[j]=temp[j+1];
temp[j+1]=item;
}
a =blsearch(temp,len,y);
if(a==-1)
printf("\n number %d not exsit in list",y);
else
printf("\n number %d exsit in list:",y);
}
int lsearch(int st[],int len,int y)
{
int i;
for(i=0;i<len;i++)
if(st[i]==y)
return i;
return -1;
}
void linearsearch(int temp[],int len,int y)
{
if(lsearch(temp,len,y)==-1)
printf("\n number %d not exsit in list",y);
else
printf("\n number %d exsit in list:",y);
}
int main()
{
int i,len,n,x ,y;
printf("enter a len:\n");
scanf("%d",len);
int a[len];
printf("enter a members:\n");
for(i=0;i<len;i++)
scanf("%d",&n);
sytem("cls");
printf("if you are binary search enter a 1\n if you are linear search enter a 2\n");
scanf("%d",&x);
system("cls");
printf("what number do you want to look for?\n");
scanf("%d",&y);
if(x==1)
binarysearch(a,len,y);
else
linearsearch(a,len,y);
return 0;
}

Answer 1

مرسی خیلی ممنون

Answer 2

یه سوال اگه بخوام خونه ی اون عددی که دنبالش می گردیم رو چاپ کنه باید چی کار کنیم ؟