Cod sursa(job #2266612)

Utilizator pancufPancu Flavian pancuf Data 22 octombrie 2018 20:01:44
Problema Hashuri Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.55 kb
#include <fstream>
#include <map>

using namespace std;
map <int, int> f[666013];
void insert (int x){
        f[x%66013][x]+=1;
}
void erase (int x){
        f[x%666013].erase(x);
}
bool find (int x) {
        return f[x%666013].count(x)!=0;
}
int main()
{
    int n;
    ifstream fin ("hashuri.in");
    ofstream fout ("hashuri.out");
    fin>>n;
    for(int i=1;i<=n;i++){
        int op,x;
        fin>>op>>x;
        if(op==1) insert(x);
        if(op==2) erase(x);
        if(op==2) fout<<find(x)<<endl;
    }
    return 0;
}