#include <bits/stdc++.h>
#define ff first
#define ss second
#define endl '\n'
using namespace std;
const long long INF = (long long) 1e18;
const int mod = (int) 1e9+7;
const int MAXN = (int) 1e6+5;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
ll n;
int a[MAXN], p[MAXN], v[MAXN];
int suf[MAXN];
int yer[MAXN];
vector<int> kc[MAXN];
int main(){
ios_base::sync_with_stdio(false);
cin.tie(nullptr);cout.tie(nullptr);
#ifdef Local
freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/int.txt","r",stdin);
freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/out.txt","w",stdout);
#endif
cin>>n;
vector<int> ot;
for(int i = 1; i <= n; i++){
cin>>a[i];
yer[a[i]]++;
yer[a[i] + n]++;
}
for(int i = 1; i <= n; i++){
cin>>p[i];
p[n + i] = p[i];
}
for(int i = 1; i <= n; i++){
cin>>v[i];
kc[a[i]].push_back(v[i]);
kc[a[i] + n].push_back(v[i]);
}
for(int i = n; i >= 1; i--)
suf[i] = suf[i + 1] + yer[i];
int left = n + 1;
for(int j = n; j >= 1; j--){
if(suf[j] - suf[left] >= left - j + 1){
left = j;
}
}
set<int> st;
int ans = 0;
for(int j = left + n - 1; j >= left; j--){
sort(kc[j].begin(), kc[j].end());
st.insert(p[j]);
for(int l: kc[j]){
assert(!st.empty());
auto u = st.upper_bound(l);
if(u == st.begin()){
st.erase(prev(st.end()));
}else{
st.erase(prev(u));
ans++;
}
}
}
cout<<ans<<endl;
#ifdef Local
cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
#endif
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
517 ms |
55640 KB |
Output is correct |
2 |
Correct |
518 ms |
54752 KB |
Output is correct |
3 |
Correct |
668 ms |
62732 KB |
Output is correct |
4 |
Correct |
661 ms |
64040 KB |
Output is correct |
5 |
Correct |
459 ms |
45292 KB |
Output is correct |
6 |
Correct |
508 ms |
46188 KB |
Output is correct |
7 |
Correct |
607 ms |
51948 KB |
Output is correct |
8 |
Correct |
488 ms |
51136 KB |
Output is correct |
9 |
Correct |
639 ms |
53400 KB |
Output is correct |
10 |
Correct |
537 ms |
47980 KB |
Output is correct |