Determines if a value is a multiple of X. - C++ Operator

C++ examples for Operator:Bit Operator

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Description

Determines if a value is a multiple of X.

Demo Code

#include <iostream> 
using namespace std; 

bool multiple( int ); 

int main() //from ww w.j a v a2  s. c  o m
{ 
    int y; 

    cout << "Enter an integer between 1 and 32000: "; 
    cin >> y; 

    if ( multiple( y ) ) 
       cout << y << " is a multiple of X" << endl; 
   else 
       cout << y << " is not a multiple of X" << endl; 
}

// determine if num is a multiple of X 
bool multiple( int num ) 
{ 
   bool mult = true; 

    for ( int i = 0, mask = 1; i < 10; ++i, mask <<= 1 ) 
       if ( ( num & mask ) != 0 ) 
       { 
           mult = false; 
           break; 
       }

    return mult; 
} // end function multiple

Result


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