#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("fast-math")
//#pragma GCC optimize("no-stack-protector")
#define F first
#define S second
#define sz(x) int(x.size())
#define pb push_back
#define N 500501
#define M ll(1e9 + 7)
#define inf 1e9 + 1e9
using namespace std;
//using namespace __gnu_pbds;
typedef long double ld;
typedef long long ll;
typedef short int si;
typedef array <int, 3> a3;
//typedef tree <int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
vector <int> g[N];
bool mk[N];
int main()
{
//freopen("input.txt", "r", stdin); //freopen("output4.txt", "w", stdout);
ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int n;
cin >> n;
for (int i = 0; i < n; i++) {int x; cin >> x; x--; g[x].pb(i);}
int p[n], a[n];
for (int i = 0; i < n; i++) cin >> p[i];
for (int i = 0; i < n; i++) cin >> a[i];
multiset <int> se; se.clear();
int ans = 0;
for (int i = 0; i < n; i++)
for (auto it : g[i]) se.insert(a[it]);
for (int i = 0; i < n; i++)
{
auto it = se.upper_bound(p[i]);
if (it == se.end()) continue;
se.erase(se.find(*it));
ans++;
}
cout << ans << endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
739 ms |
35708 KB |
Output is correct |
2 |
Correct |
507 ms |
35060 KB |
Output is correct |
3 |
Correct |
557 ms |
40808 KB |
Output is correct |
4 |
Correct |
562 ms |
41424 KB |
Output is correct |
5 |
Incorrect |
1051 ms |
39800 KB |
Output isn't correct |
6 |
Incorrect |
656 ms |
40312 KB |
Output isn't correct |
7 |
Incorrect |
1088 ms |
44168 KB |
Output isn't correct |
8 |
Incorrect |
856 ms |
41976 KB |
Output isn't correct |
9 |
Incorrect |
1212 ms |
45996 KB |
Output isn't correct |
10 |
Incorrect |
1055 ms |
43392 KB |
Output isn't correct |