orz我也没看懂
by t162 @ 2019-02-16 10:59:01
二分嫌疑
by _Misaka_Mikoto @ 2019-02-16 11:00:07
。。。
by caek @ 2019-02-16 11:00:15
暴力递归！
by _Misaka_Mikoto @ 2019-02-16 11:00:51
https://vegetabird.blog.luogu.org/solution-p1028
by _Misaka_Mikoto @ 2019-02-16 11:01:19
老师刚刚说这段代码不对。。
by caek @ 2019-02-16 11:01:58
@[caek](/space/show?uid=110705) 我也觉得不对
by t162 @ 2019-02-16 11:02:43
```
#include <bits/stdc++.h>
using namespace std;
int n,s=0;
void er(int n)
{
for (int i=1; i<=n/2; i++)
{
s++;
er(n);
}
return;
}
int main()
{
cin>>n;
er(n);
cout<<s;
return 0;
}
```
by caek @ 2019-02-16 11:02:45
递归加~~循环的二分~~
by juruojjl_ @ 2019-02-16 11:02:59
@[caek](/space/show?uid=110705)
```cpp
#include <bits/stdc++.h>
using namespace std;
int n,s=0,i;
void er(int i)
{
for (int j=1; j<=i/2; j++)
{
s++;
er(j);
}
return;
}
int main()
{
cin>>n;
er(i);
cout<<s;
return 0;
}
```
by t162 @ 2019-02-16 11:03:26