C语言代码示例：判断奇偶数

#include <stdio.h>
int main(void)
{
    int number;
    printf('Please enter a number: ');
    scanf('%d', &number);
    if (number % 2 == 0)
    {
        printf('The number is even.
');
    }
    else
    {
        printf('The number is odd.
');
    }
    return 0;
}