This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
int n;
int a[100005],b[100005],aux[100005],l[100005],r[100005],fr[100005];
bool subtask2()
{
for(int i=2; i<=n; i++)
{
if(b[i]!=b[i-1])
{
return false;
}
}
return true;
}
bool subtask4()
{
for(int i=1; i<=n; i++)
{
aux[i] = a[i];
}
sort(aux+1,aux+n+1);
for(int i=2; i<=n; i++)
{
if(aux[i]==aux[i-1])
{
return false;
}
}
return true;
}
int solve_subtask2()
{
stack<int> st;
for(int i=1; i<=n; i++)
{
while(!st.empty() && a[i]>a[st.top()])
{
st.pop();
}
if(st.empty())
{
l[i] = 0;
}
else
{
l[i] = st.top();
}
st.push(i);
}
while(!st.empty())
{
st.pop();
}
for(int i=n; i>=1; i--)
{
while(!st.empty() && a[i]>a[st.top()])
{
st.pop();
}
if(st.empty())
{
r[i] = n+1;
}
else
{
r[i] = st.top();
}
st.push(i);
if(a[i]==b[1])
{
++fr[l[i]+1];
--fr[r[i]];
}
}
int rez = 0;
for(int i=1; i<=n; i++)
{
fr[i]+=fr[i-1];
if(fr[i])
{
++rez;
}
}
return rez;
}
int solve_subtask4()
{
return 0;
}
int solve_general()
{
return 0;
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);
cin>>n;
for(int i=1; i<=n; i++)
{
cin>>a[i];
}
for(int i=1; i<=n; i++)
{
cin>>b[i];
}
if(subtask2())
{
cout<<solve_subtask2()<<'\n';
return 0;
}
if(subtask4())
{
cout<<solve_subtask4()<<'\n';
return 0;
}
cout<<solve_general()<<'\n';
return 0;
}
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