@[HHH6666666666](/user/767788) 少讨论了两种情况:
```cpp
if(xx<0&&XX>0)
{
if(yy>=0)print(XX*yy);
if(YY<=0)print(xx*YY);
if(yy<0&&YY>0)
print(max(zx*yy,fx*YY));
}
```
by _XHY20180718_ @ 2022-10-30 15:05:07
@[xiehuiying](/user/399475) 感谢
by HHH6666666666 @ 2022-10-30 15:16:08