POJ 2750:鸡兔同笼

#include<stdio.h>
int main()
{
int a,c,m,n=0;
scanf("%d",&m);
for(;n<m;n++)
{scanf("%d",&a);
if(a%2!=0)
printf("0 0\n");
else
{if(a%4==0)
c=a/4;
else c=a/4+1;
printf("%d ",c);
if(a%2==0)
c=a/2;
printf("%d\n",c);}}
return 0;
}