c语言鸡兔同笼

1、#include<stdio.h>

int main()

{

int sum,min,max;

scanf("%d",&sum);

if(sum%2==0)

max=sum/2;

else

max=0;

if(sum%4==0)

min=sum/4;

else

{

if(sum%4==2)

min=sum/4+1;

else

min=0;

}

printf("%d %d\n",min,max);

return 0;

}