Cod sursa(job #3120738)

Utilizator ana_valeriaAna Valeria Duguleanu ana_valeria Data 8 aprilie 2023 13:25:49
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.57 kb
#include <fstream>

using namespace std;
ifstream cin ("stramosi.in");
ofstream cout ("stramosi.out");
int tata[250010],stramos[25][250010];
int main()
{
    int n,q,i,p,x,k;
    cin>>n>>q;
    for (i=1; i<=n; i++)
    {
        cin>>tata[i];
        stramos[0][i]=tata[i];
    }
    for (p=1; p<20; p++)
        for (i=1; i<=n; i++)
            stramos[p][i]=stramos[p-1][stramos[p-1][i]];
    for (i=1; i<=q; i++)
    {
        cin>>x>>k;
        for (p=0; p<20; p++)
            if ((k&(1<<p))!=0)
                x=stramos[p][x];
        cout<<x<<"\n";
    }
    return 0;
}