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B - Bracket Score

https://atcoder.jp/contests/agc048/submissions/31606165
This commit is contained in:
Baoshuo Ren 2022-05-11 21:05:11 +08:00
parent acdb922081
commit e08a844726
Signed by: baoshuo
GPG Key ID: 70F90A673FB1AB68

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AtCoder/AGC048/B/B.cpp Normal file
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#include <iostream>
#include <queue>
using std::cin;
using std::cout;
const char endl = '\n';
const int N = 1e5 + 5;
int n, a[N], b[N];
long long ans;
std::priority_queue<int> q1, q2;
int main() {
std::ios::sync_with_stdio(false);
cin >> n;
for (int i = 1; i <= n; i++) {
cin >> a[i];
ans += a[i];
}
for (int i = 1; i <= n; i++) {
cin >> b[i];
(!(i & 1) ? q1 : q2).push(b[i] - a[i]);
}
while (!q1.empty()) {
int t = q1.top() + q2.top();
q1.pop(), q2.pop();
if (t <= 0) break;
ans += t;
}
cout << ans << endl;
return 0;
}