这。。。，图复制上去好诡异
by zfzfzfzf @ 2017-10-23 20:19:34
n--试试？
by Ice_watermelon @ 2018-05-03 20:26:45
```
#include<bits/stdc++.h>
using namespace std;
int n,hh;
string a[1000001];
int main()
{
scanf("%d",&n);
n--;
a[1]=" /";
a[1]=a[1]+(char)92+' ';
a[2]="/__";
a[2]=a[2]+(char)92;
hh=2;
for (int i=1;i<=n;++i){
for (int j=1;j<=hh;j++)
a[j+hh]=a[j]+a[j];
for (int j=1;j<=hh;++j)
for (int k=1;k<=hh;++k)
a[j]=' '+a[j]+' ';
hh*=2;
}
for (int i=1;i<=hh;++i)
cout<<a[i]<<endl;
return 0;
}
```
by Ice_watermelon @ 2018-05-03 20:26:53