//#pragma GCC optimize("Ofast,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
typedef long long llo;
#define mp make_pair
#define pb push_back
#define a first
#define b second
#define endl '\n'
int n;
int aa[500001];
int bb[500001];
int ind[500001];
int co[500001];
vector<int> ss[500001];
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin>>n;
for(int i=0;i<n;i++){
cin>>ind[i];
ind[i]--;
co[ind[i]]++;
}
for(int i=0;i<n;i++){
cin>>aa[i];
}
for(int i=0;i<n;i++){
cin>>bb[i];
}
for(int i=0;i<n;i++){
ss[ind[i]].pb(bb[i]);
}
for(int i=1;i<n;i++){
co[i]+=co[i-1];
}
pair<int,int> mi={n+1,-1};
for(int i=0;i<n;i++){
co[i]-=(i+1);
if(co[i]<mi.a){
mi={co[i],i};
}
}
int xx=(mi.b+1);
if(xx==n){
xx=0;
}
set<int> cur;
int ans=0;
for(int i=0;i<n;i++){
for(auto j:ss[xx]){
cur.insert(j);
}
auto k=cur.upper_bound(aa[xx]);
if(k!=cur.end()){
ans++;
cur.erase(k);
}
else{
cur.erase(cur.begin());
}
xx=(xx+1);
if(xx==n){
xx=0;
}
}
cout<<ans<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
732 ms |
38756 KB |
Output is correct |
2 |
Correct |
447 ms |
38116 KB |
Output is correct |
3 |
Correct |
576 ms |
44772 KB |
Output is correct |
4 |
Correct |
642 ms |
45452 KB |
Output is correct |
5 |
Correct |
344 ms |
22636 KB |
Output is correct |
6 |
Correct |
291 ms |
22892 KB |
Output is correct |
7 |
Correct |
398 ms |
25836 KB |
Output is correct |
8 |
Correct |
334 ms |
25280 KB |
Output is correct |
9 |
Correct |
417 ms |
26476 KB |
Output is correct |
10 |
Correct |
343 ms |
24064 KB |
Output is correct |