谁教你读实数用快读？
by 空气树 @ 2019-01-27 15:27:50
@[海盗村长](/space/show?uid=119137)
by 空气树 @ 2019-01-27 15:28:08
不用快读即可
by 空气树 @ 2019-01-27 15:28:22
好吧
by grx_o_o_dxy @ 2019-01-27 15:29:59
你这和题解一模一样啊
by ⚡LZSY01_XZY⚡ @ 2019-01-27 15:34:37
就加了个读入优化
by ⚡LZSY01_XZY⚡ @ 2019-01-27 15:35:00
小心被管理员发现
by ⚡LZSY01_XZY⚡ @ 2019-01-27 15:36:19
$double$ 的快读：
```cpp
void read_lf(double x)
{
int out=1;
char c;x=0;
while(c<'0' || c>'9'){if(c=='-')out=-1;c=getchar();}
while(c>='0'&&c<='9')
{
x=x*10+c-48;
c=getchar();
}
if(c=='.')
{
double lf=0.1;
c=getchar();
while(c>='0'&&c<='9')
{
x=x+lf*(c-48);
lf=lf*0.1;
}
}
x=x*out;
}
```
by ⚡LZSY01_XZY⚡ @ 2019-01-27 15:45:20