宁输出看好大小写
by KevTheDev @ 2020-08-02 21:39:40
但答案还不对
by する @ 2020-08-02 21:40:20
```cpp
if(len(x[i],y[i],z[i],0,y[i],z[i])<=r)
{
u(i,0);
}
if(len(x[i],y[i],z[i],h+1,y[i],z[i])<=r)
{
u(i,h+1);
}
```
判断和上下表面有没有相交/切只需要看垂直距离，也就是
z[i]<=r--------与下表面相交/切
z[i]+r>=h------与上表面相交/切
by donghanwen1225 @ 2020-08-03 21:55:29