题解 | #百鸡问题#

#include <stdio.h>

int main()
{
    int n;
    int x, y ,z;
    scanf("%d", &n);
    for (x = 0; x <= 100; x ++)
        for (y = 0; y <= 100; y++)
        {
            if (x + y > 100) continue;
            for (z = 0; z <= 100; z++)
            {
                if(x + y + z > 100) continue;
                if( x + y + z == 100 && 15 * x + 9 * y + z <= 3 * n)
                    printf("x=%d,y=%d,z=%d\n",x , y, z);
            }
        }
}