Answer Posted / ram khilawan

#include<iostream.h>
#include<conio.h>

int main()
{
int i,n,num,p=1;
cout<<"enter the number";
cin>>n;
num=pow(2,n)+1;
for(i=2;i<num/2;i++)
{
if(num%i==0)
{
p=0;
break;
}
}
if(p==1)
cout<<"prime";
else if(p==0)
{
cout<<"factors are";
for(i=2;i<num/2;i++)
if(num%i==0)
cout<<i<<",";
}
getch();
}

find level of following tree (state, parent) " J,D I,D H,C E,B F,B G,C B,A D,A C,A A,& K,E L,E L,F M,F N,G O,H P,I P,H Q,I R,J S,K U,P T,L

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