从三个红球,五个白球,六个黑球中任意取出八个球,必须有白球和黑球，且黑球为偶数，输出所有可能的方案？

Question

#include <stdio.h>
void main()
{
int red,white,black;
for(red=0;red<=3;red++)
{
for(white=___[1]___;white<=5;white++)
{
black=___[2]____;
if(_____[3]____)
{
printf("red:%d,white:%d,black:%d\n",red,white,black);
}
}
}
}

Answer 1

1

8-white-red

black<=6&&black>0&&black%2==0