Submission #128145

#	Time	Username	Problem	Language	Result	Execution time	Memory
128145		mahmoudbadawy	Minerals (JOI19_minerals)	C++17	6 / 100	159 ms	504 KiB

minerals

#include "minerals.h"
#include <bits/stdc++.h>

using namespace std;

const int N=43001;
set<int> ss,tmp;

int query(int x)
{
	int ans=Query(x);
	if(ss.find(x)!=ss.end()) ss.erase(x);
	else ss.insert(x);
	return ans;
}

vector< pair<int,int> > ans;

void Solve(int n)
{
	int las=0,cur;
	for(int i=1;i<=2*n;i++)
	{
		cur=query(i);
		/*if(i==6)
		{
			cout << "GOT: " << las << " " << cur << endl;
			for(auto it:ss)
				cout << it << endl;
		}*/
		if(cur==las)
		{
			//cout << i << " " << cur << endl;
			las=cur;
			while(ss.size())
			{
				int ce=*ss.begin();
				cur=query(ce);
				if(cur==las)
				{
					ans.push_back({ce,i});
					cur=query(i);
					break;
				}
				else
				{
					tmp.insert(ce);
					las=cur;
				}
			}
			while(tmp.size())
			{
				cur=query(*tmp.begin());
				tmp.erase(tmp.begin());
			}
		}
		las=cur;
	}
	for(auto i:ans)
	{
		//cout << i.first << " " << i.second << endl;
		Answer(i.first,i.second);
	}
}

• Subtask 1: 6 / 6
• Subtask 2: 0 / 25
• Subtask 3: 0 / 9
• Subtask 4: 0 / 30
• Subtask 5: 0 / 5
• Subtask 6: 0 / 5
• Subtask 7: 0 / 5
• Subtask 8: 0 / 5
• Subtask 9: 0 / 10