제출 #990700

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
990700		vjudge1	Dijamant (COI16_dijament)	C++17	13 / 100	109 ms	712 KiB

dijament

#include <bits/stdc++.h>

using namespace std;

int main()
{
	set<string> add;
	int n;
	cin>>n;
	bitset<1000> inh[n],der[n],t;
	map<string,int> ind;
	for (int oops=0;oops<n;oops++)
	{
		string s;
		cin>>s;
		string ans="ok";
		if (add.find(s)!=add.end())
			ans="greska";
		string s1;
		vector<string> v;
		cin>>s1;
		while (1)
		{
			cin>>s1;
			if (s1==";")
				break;
			if (add.find(s1)==add.end())
				ans="greska";
			v.push_back(s1);
		}
		if (ans=="ok")
		{
			ind[s]=add.size();
			add.insert(s);
			for (auto i:v)
			{
				inh[ind[s]].set(ind[i]);
				inh[ind[s]]|=inh[ind[i]];
			}
			for (int i=0;i<n;i++)
				if (inh[ind[s]][i])
					der[i].set(ind[s]);
			for (int i=0;i<n;i++)
			{
				t=der[i]&inh[ind[s]];
				if (t.count()>1)
				{
					ans="greska";
					break;
				}
			}
			if (ans=="greska")
			{
				for (int i=0;i<n;i++)
					if (inh[ind[s]][i])
						der[i].set(ind[s],0);
				inh[ind[s]].reset();
				ind.erase(s);
				add.erase(s);
			}
		}
		cout<<ans<<endl;
	}
	
	return 0;
}

• Subtask 1: 13 / 13
• Subtask 2: 0 / 14
• Subtask 3: 0 / 29
• Subtask 4: 0 / 44