1211 or chicken and rabbit in the same cage

Title Description

There are chickens and rabbits in a cage （ Chicken has 2 One foot , The rabbit has 4 One foot ）. We already know the total number of feet in the cage a, Ask how many animals there are in the cage at least , How many animals at most .

Input requirements

The first line is the number of groups of test data n, Follow behind n Line input . Each group of test data takes up one line , Each line contains a positive integer a, Represents the total number of feet in the cage .

Output requirements

The output contains n That's ok , Each line corresponds to one input , contain 2 A positive integer , The first is the minimum number of animals , The second is the largest number of animals . If there is no answer that meets the requirements , Then output two 0.

sample input

2 3 20 

sample output

0 0 5 10

#include<cstdio>
#include<math.h>
int main(){
	int n,x,y,i,j,k,max,N,zll=0,set=1,six,five,four;
	scanf("%d",&x);
	for(i=0;i<x;++i){
		scanf("%d",&y);
		if(y%2==0&&y!=0){
			if(y%4==0){
				printf("%d ",y/4);
			}
			else{
				if(y%4==2){
					printf("%d ",(y/4)+1);
				}
			}
			printf("%d\n",y/2);
		}
		else{
			printf("0 0\n");
		}
	}
}