Cod sursa(job #169101)

Utilizator MciprianMMciprianM MciprianM Data 1 aprilie 2008 07:07:39
Problema Stramosi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.51 kb
#include<fstream>
using namespace std;
int x[250001], n,m,p,q,a[32][250001];
int main(){
  int i, j, s;
  ifstream f("stramosi.in");
  f>>n>>m;
  for(i=1;i<=n;i++)
    f>>x[i];
  for(i=1;i<=n;i++)
    a[0][i]=x[i];
  for(i=1;i<32;i++)
    for(j=1;j<=n;j++)
      a[i][j]=a[i-1][a[i-1][j]];
  ofstream g("stramosi.out");
  for(i=0;i<m;i++){
    f>>q>>p;
    j=0;s=q;
    while(p){
      if(p&1)  s=a[j][s];
      j++;
      p>>=1;
    }
    g<<s<<'\n';
  }
  f.close();
  g.close();
  return 0;
}