2- (What's the Value of X?) The following program uses function multiple to determine if the integer entered from the keyboard is a multiple of some integer X. Examine the function multiple, then determine X's value. Make sure you test the code with your compiler.

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2- (What's the Value of X?) The following program uses function multiple to determine if the
integer entered from the keyboard is a multiple of some integer X. Examine the function multiple,
then determine X's value. Make sure you test the code with your compiler.
1// ex10_16.c
2// This program determines whether a value is a multiple of X.
3 #include <stdio.h>
4
5 int multiple( int num ); // prototype
7 int main( void )
8{
9
int y; // y will hold an integer entered by the user
10
puts( "Enter an integer between 1 and 32000: " );
scanf( "%d", &y );
11
12
13
// if y is a multiple of X
if ( multiple( y ) ) {
printf( "%d is a multiple of X\n", y );
} // end if
else {
14
15
16
17
18
printf( "%d is not a multiple of X\n", y );
} // end else
19
20
21 } // end main
22
23 // determine whether num is a multiple of X
24 int multiple( int num )
25 {
int i; // counter
int mask = 1; // initialize mask
int mult = 1; // initialize mult
26
27
28
29
30
for (i
= 1; i <= 10; ++i, mask «= 1 ) {
31
if ( ( num & mask ) != 0) {
mult = 0;
break;
} // end if
} // end for
32
33
34
35
36
37
return mult;
39 } // end function multiple
38
Transcribed Image Text:2- (What's the Value of X?) The following program uses function multiple to determine if the integer entered from the keyboard is a multiple of some integer X. Examine the function multiple, then determine X's value. Make sure you test the code with your compiler. 1// ex10_16.c 2// This program determines whether a value is a multiple of X. 3 #include <stdio.h> 4 5 int multiple( int num ); // prototype 7 int main( void ) 8{ 9 int y; // y will hold an integer entered by the user 10 puts( "Enter an integer between 1 and 32000: " ); scanf( "%d", &y ); 11 12 13 // if y is a multiple of X if ( multiple( y ) ) { printf( "%d is a multiple of X\n", y ); } // end if else { 14 15 16 17 18 printf( "%d is not a multiple of X\n", y ); } // end else 19 20 21 } // end main 22 23 // determine whether num is a multiple of X 24 int multiple( int num ) 25 { int i; // counter int mask = 1; // initialize mask int mult = 1; // initialize mult 26 27 28 29 30 for (i = 1; i <= 10; ++i, mask «= 1 ) { 31 if ( ( num & mask ) != 0) { mult = 0; break; } // end if } // end for 32 33 34 35 36 37 return mult; 39 } // end function multiple 38
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