Cod sursa(job #1677088)

Utilizator Vasile_RotaruVasea Rotaru Vasile_Rotaru Data 6 aprilie 2016 12:34:18
Problema Hashuri Scor 70
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include<bits/stdc++.h>

using namespace std;

ifstream fin("hashuri.in");
ofstream fout("hashuri.out");

map<int,int>H;;
int N,c,i,x;

int main()
{
	fin>>N;
	H.clear();
	for(int i=1;i<=N;++i)
	{
		fin>>c>>x;
		if(c==1)
		{
			if(!H[x])H[x]=1;
		}
		if(c==2)
		{
			if(H[x])H[x]=0;
		}
		if(c==3)fout<<H[x]<<"\n";
	}
 	return 0;
}