#include #include using namespace std; int main(){ int n; cin>>n; vector v(n); for(auto&& r : v) cin>>r; vector left(n,0); vector right(n,0); for(int i=1; iv[i-1]) left[i]=left[i-1]+1; for(int i=n-2; i>=0; --i) if(v[i]>v[i+1]) right[i]=right[i+1]+1; int cnt=0; for(int i=0;i=9 && right[i]>=9) ++cnt; cout<