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>
#define ll long long
#define endl "\n"
#define fi first
#define se second
#define pb push_back
#define pll pair<long long, long long>
#define loop(i,n) for(int i=1;i<=n;i++)
#define loop0(i,n) for(int i=0;i<n;i++)
using namespace std;
//pbds template
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
template <class T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>;
void solve(){
ll n;
map<ll,ll> mp;
cin >> n;
ll arr[n+5] = {0};
for(int i=1;i<=n;i++){
cin >> arr[i];
mp[arr[i]] = 1;
}
ll chk;
for(int i=1;i<=n;i++){
cin >> chk;
}
if(!mp.count(chk)){
cout << "0" << endl;
return;
}
priority_queue<ll> pq;
ll ans = 0;
for(int i=1;i<=n;i++){
// cout << i << ' ' << pq.size() << endl;
if(arr[i]>chk){
if(pq.top()==chk) ans += pq.size();
pq = priority_queue<ll>();
}
else if(arr[i]<=chk) pq.push(arr[i]);
}
if(pq.top()==chk){
while(!pq.empty()){
ans++;
pq.pop();
}
}
cout << ans << endl;
}
int main(){
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int tc = 1;
// cin >> tc;
while(tc--){
solve();
}
}
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