27 lines
374 B
C
27 lines
374 B
C
#include <stdio.h>
|
|
#include <math.h>
|
|
|
|
#define bool int
|
|
#define true 1
|
|
#define false 0
|
|
bool isPowerOfFour(int num)
|
|
{
|
|
while (num % 4 == 0)
|
|
{
|
|
num /= 4;
|
|
if (num == 0)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
return num == 1;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
isPowerOfFour(27);
|
|
isPowerOfFour(4);
|
|
isPowerOfFour(16);
|
|
getchar();
|
|
return 0;
|
|
} |