mirror of
https://git.sb/baoshuo/OI-codes.git
synced 2024-12-18 10:11:59 +00:00
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
#include <algorithm>
|
|
#include <iostream>
|
|
#include <vector>
|
|
|
|
using std::cin;
|
|
using std::cout;
|
|
const char endl = '\n';
|
|
|
|
const int mod = 1e6;
|
|
|
|
int n, op, x, ans;
|
|
std::vector<int> a, b;
|
|
|
|
int main() {
|
|
std::ios::sync_with_stdio(false);
|
|
cin >> n;
|
|
for (int i = 1; i <= n; i++) {
|
|
cin >> op >> x;
|
|
if (op == 0) {
|
|
if (b.empty()) {
|
|
a.insert(std::lower_bound(a.begin(), a.end(), -x), -x);
|
|
} else {
|
|
auto it = std::lower_bound(b.begin(), b.end(), -x);
|
|
if (it == b.end() || it != b.begin() && std::abs(-*it - x) > std::abs(-*(it - 1) - x)) --it;
|
|
ans = (ans + std::abs(-*it - x)) % mod;
|
|
b.erase(it);
|
|
}
|
|
} else { // op == 1
|
|
if (a.empty()) {
|
|
b.insert(std::lower_bound(b.begin(), b.end(), -x), -x);
|
|
} else {
|
|
auto it = std::lower_bound(a.begin(), a.end(), -x);
|
|
if (it == a.end() || it != a.begin() && std::abs(-*it - x) > std::abs(-*(it - 1) - x)) --it;
|
|
ans = (ans + std::abs(-*it - x)) % mod;
|
|
a.erase(it);
|
|
}
|
|
}
|
|
}
|
|
cout << ans % mod << endl;
|
|
return 0;
|
|
}
|