Codeforces Round #592 (Div. 2) C - The Football Season（推公式）

?? ?? ??

题意加题解：

//x*w+y*d=p;
//x+y+z=0
int main()
{
    ll n,p,w,d;
    cin>>n>>p>>w>>d;
    ll y=0;
    while(y<w&&(p-d*y)%w) ++y;
    if(y==w) return puts("-1"),0;
    ll x=(p-d*y)/w;
    if(x<0||x+y>n) return puts("-1"),0;
    cout<<x<<" "<<y<<" "<<n-x-y<<" ";
    //stop;
    return 0;
}

原文地址：https://www.cnblogs.com/Herlo/p/12111925.html