你就不能像这样
```
#include<cstdio>
int main()
{
printd("hello world");
return 0;
}
```
把代码写好看一点么？
格式:
**```**
贴代码
**```**
by 密期望 @ 2018-02-16 18:45:05
@[密期望](/space/show?uid=81705) sorry,printf写错了
by 密期望 @ 2018-02-16 18:45:38
@[密期望](/space/show?uid=81705)
它复制粘贴就这样了..
// luogu-judger-enable-o2
#include<iostream>
#include<algorithm>
#include<cstdio>
using namespace std;
int quick_pow(int a,int r)
{
long long ans;
while(r)
{
if(r&1)ans*=a;
a*=a;
r>>=1;
}return ans;
}
int main()
{
int x,n;
cin>>x>>n;
cout<<quick_pow(x+1,n);
return 0;
}
by 阿蒙 @ 2018-02-25 13:37:16
```cpp
// luogu-judger-enable-o2
#include<iostream>
#include<algorithm>
#include<cstdio>
using namespace std;
int quick_pow(int a,int r)
{
long long ans;
while(r)
{
if(r&1)ans*=a;
a*=a;
r>>=1;
}return ans;
}
int main()
{
int x,n;
cin>>x>>n;
cout<<quick_pow(x+1,n);
return 0;
}
```@[密期望](/space/show?uid=81705)
by 阿蒙 @ 2018-02-25 13:38:03
```
#include<iostream>
#include<algorithm>
#include<cstdio>
using namespace std;
long long quick_pow
(long long a,int r)
//a要重复*=a，所以也要开long long
{
long long ans=1;//初始化
while(r)
{
if(r&1)ans*=a;
a*=a;
r>>=1;
}return ans;
}
int main()
{
int x,n;
cin>>x>>n;
cout<<quick_pow(x+1,n);
return 0;
}
```
by 密期望 @ 2018-02-28 18:28:52
@[叶淮秋](/space/show?uid=55067) 你要选择插入代码就不会有这种情况了
by xieyihang @ 2018-06-20 21:39:50