5X + 2Y +Z = 50 的所有非负整数解

 1 #include <iostream>
 2 using namespace std;
 3 int main()
 4 {
 5     int x, y, z;
 6 
 7     for (x = 0; x <= 10; x++ )
 8     {
 9         for ( y = 0; y <= 25; y++)
10         {
11             for ( z = 0; z <= 50; z++)
12             {
13                 if ((5 * x + 2 * y + z) == 50)
14                 {
15                     cout<<"x = "<<x <<" , y = "<<y<<" , z = "<<z<<endl; 
16                 }
17             }
18         }
19     }
20 
21     return 0;
22 }