Cod sursa(job #1197487)

Utilizator RaulTofanTofan Raul RaulTofan Data 12 iunie 2014 10:27:48
Problema Stramosi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.48 kb
#include<fstream>
#include<algorithm>
using namespace std;

int i,j,n,m,x,y,a[20][250005],aux;

int main()
{
  ifstream cin("stramosi.in");
  ofstream cout("stramosi.out");

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

  for(i=1;i<=18;i++)
    for(j=1;j<=n;j++)
    a[i][j]=a[i-1][a[i-1][j]];

  while(m--)
  {
    cin>>x>>y;
    aux=0;
    while(y!=0)
    {
      if(y%2==1) x=a[aux][x];
      y/=2;
      aux++;
    }
    cout<<x<<'\n';
  }

 return 0;
}