题解 | #百钱买百鸡问题#

    //input
    int input;
    while(cin >> input)
    {
        for(int i=0; i<21; i++)
        {
            int j = (100-7*i)/4;
            int k = (300+3*i)/4;
            if(j>0 && k>0)
            {
                if(i+j+k == 100)
                {
                    cout<<i<<" "<<j<<" "<<k<<endl;
                }
            }
        }
    }

    //return
    return 0;