mirror of
https://git.sb/baoshuo/OI-codes.git
synced 2024-11-10 06:18:48 +00:00
41 lines
905 B
C++
41 lines
905 B
C++
#include <bits/stdc++.h>
|
|
|
|
using std::cin;
|
|
using std::cout;
|
|
using std::endl;
|
|
|
|
int n, now;
|
|
long long ans;
|
|
std::pair<int, int> a[100005];
|
|
std::priority_queue<int> q;
|
|
|
|
int main() {
|
|
cin >> n;
|
|
for (int i = 1; i <= n; i++) {
|
|
cin >> a[i].first;
|
|
}
|
|
for (int i = 1; i <= n; i++) {
|
|
cin >> a[i].second;
|
|
}
|
|
q.push(0);
|
|
for (int i = 1; i <= n; i++) {
|
|
int max = q.top();
|
|
int maxn = now;
|
|
for (int j = now + 1; j <= n; j++) {
|
|
if ((a[j].first - a[now].first) * 2 + a[j].second >= max) {
|
|
max = (a[j].first - a[now].first) * 2 + a[j].second;
|
|
maxn = j;
|
|
}
|
|
}
|
|
if (maxn != now) q.push(max);
|
|
for (int j = now + 1; j < maxn; j++) {
|
|
q.push(a[j].second);
|
|
}
|
|
now = maxn;
|
|
ans += q.top();
|
|
q.pop();
|
|
cout << ans << endl;
|
|
}
|
|
return 0;
|
|
}
|