Cod sursa(job #502519)

Utilizator mraresMardare Rares mrares Data 19 noiembrie 2010 21:35:27
Problema Stramosi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.48 kb
#include <fstream>

using namespace std;

ifstream f("stramosi.in");
ofstream g("stramosi.out");

int a[31][250001];

int main()
{
    int n, m, i, j, p, q, nr;

    f>>n>>m;
    for(i=1;i<=n;++i) f>>a[0][i];

    for(i=1;i<=30;++i)
        for(j=1;j<=n;++j)
            a[i][j]=a[i-1][a[i-1][j]];

    for(i=1;i<=m;++i)
    {
        f>>q>>p;
        for(nr=0;p;++nr,p=p>>1)
            if(p&1)
                q=a[nr][q];
        g<<q<<"\n";
    }
    return 0;
}