#include <iostream>
using namespace std;
int main() {
int count = 0; // 记录解的数量
// 枚举九头鸟的可能数量,最多11只(因为12只九头鸟就有108个头,超过了100)
for (int bird = 0; bird <= 11; bird++) {
// 枚举鸡的可能数量,最多100只
for (int chicken = 0; chicken <= 100; chicken++) {
// 计算兔子的数量,根据头的总数为100
int rabbit = 100 - 9 * bird - chicken;
// 检查兔子数量是否非负
if (rabbit >= 0) {
// 检查脚的总数是否为100
if (2 * bird + 2 * chicken + 4 * rabbit == 100) {
cout << bird << " " << chicken << " " << rabbit << endl;
count++;
}
}
}
}
// 输出解的总数
cout << count << endl;
return 0;
}
/**************************************************************
Problem: 1076
User: fuyijun
Language: C++
Result: Accepted
Time:5 ms
Memory:2072 kb
****************************************************************/