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Last edited by Shirish on Fri Apr 14, 2006 3:56 pm; edited 1 time in total
/*********************************************************
Program to find whether a number is power of 2
like 2, 4, 8, 16, 32, , without using division operator
Author : Shirish Goyal
*********************************************************/
#include <iostream.h>
int main()
{
long int a;
cout<<"Input a number ? ";
cin>>a;
cout<<endl<<a<<(((a & (a-1))==0)?" is":" is not")<<" a power of 2";
return 0;
}
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