```cpp
#include<bits/stdc++.h>
using namespace std;
int n,f,ans,a[10005];
int main()
{
cin>>n;
for(int i=1;i<=n;i++)
cin>>a[i];
for(int i=2;i<n;i++)
{
if(a[i]<a[i-1] && f==0) f=1;
if(f==1 && a[i]<a[i+1])
{
ans++;
f=0;
}
}
cout<<ans;
return 0;
}
```
by Shui_Dream @ 2018-07-27 15:41:22
已变红
by jinhaoxian @ 2018-07-27 23:09:56