题解 | #鸡兔同笼#

//土尔逊Torson 编写于2023/05/22
#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
#include<cstdio>

using namespace std;

int main() {
	int a;
	while (scanf("%d", &a) != EOF) {
		int minimum = 0;
		int maxmum = 0;
		if (a % 2 == 0) { //偶数才有解
			minimum = a / 4 + (a % 4) / 2;
			maxmum = a / 2;
		}
		printf("%d %d\n", minimum, maxmum);
	}
	system("pause");
	return EXIT_SUCCESS;
}
// 64 位输出请用 printf("%lld")