雄鸡7元1只，母鸡5元1只 ，小鸡1元1只。百钱百只。问各有几只？？？
1 //程序
2 #include <iostream>
3 #include<fstream>
4
5 using namespace std;
6
7 int main()
8 {
9
10 int cock, hen, chicken;
11
12 for (cock = 1;cock <= 13;cock++)
13 {
14 for (hen = 1;hen <= 18;hen++)
15 {
16 if (7 * cock + 5 * hen + (100 - cock - hen) / 3 == 100 && (100 - cock - hen) % 3 == 0)
//两个条件：钱数100，只数100，小鸡要被3整除
17 cout << "cock:" << cock << endl << "hen:" << hen <<endl << "chicken:" << 100-cock-hen << endl;
18 }
19 }
20
21 cin.ignore();
22 cin.get();
23 return 0;
24 }
cock:3
hen:10
chicken:87