Submission #1100141

#	Time	Username	Problem	Language	Result	Execution time	Memory
1100141		sssamui	Untitled (POI11_rot)	C++17	36 / 100	1072 ms	32460 KiB

Main

#include <bits/stdc++.h>
using namespace std;
using ll = long long;

#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
template <class T>
using Tree =
tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

map<int, Tree<int>> plc;

const ll one = 1;

pair<pair<ll, ll>, Tree<int>> solve()
{
	int lf;
	cin >> lf;
	if (lf > 0)
	{
		Tree<int> ans = plc[0];
		ans.insert(lf);
		return { {0, 1}, ans };
	}

	else
	{
		pair<pair<ll, ll>, Tree<int>> lft = solve();
		pair<pair<ll, ll>, Tree<int>> rgt = solve();
		if (lft.second.size() < rgt.second.size()) swap(lft, rgt);
		pair<pair<ll, ll>, Tree<int>> ans = lft;
		ans.first.first += rgt.first.first, ans.first.second += rgt.first.second;
		ll tadd = 0;
		for (int tins : rgt.second) tadd += one * lft.second.order_of_key(tins), ans.second.insert(tins);
		tadd = fmin(tadd, lft.first.second * rgt.first.second - tadd);
		ans.first.first += tadd;
		return ans;
	}
}

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(nullptr);

	int n;
	cin >> n;
	cout << solve().first.first;
}

• Subtask 1: 9 / 9
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 9 / 9
• Subtask 5: 0 / 9
• Subtask 6: 0 / 9
• Subtask 7: 0 / 9
• Subtask 8: 0 / 9
• Subtask 9: 0 / 9
• Subtask 10: 0 / 9
• Subtask 11: 0 / 10