Cod sursa(job #2611807)

Utilizator rares9991Matisan Rares-Stefan rares9991 Data 7 mai 2020 16:44:41
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.58 kb
#include <fstream>

using namespace std;

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

int n, v[20][250001], m;

int main()
{
    in>>n>>m;
    for(int i=1; i<=n; i++)
        in>>v[0][i];
    for(int i=1; i<=18; i++)
        for(int j=1; j<=n; j++)
        v[i][j]=v[i-1][v[i-1][j]];
    while(m)
    {
        m--;
        int p,q, ans,j=0;
        in>>q>>p;
        ans=q;
        while(p)
        {
            if(p%2!=0)
                ans=v[j][ans];
            p/=2;
            j++;
        }
        out<<ans<<"\n";
    }
    return 0;
}