Cod sursa(job #2321627)

Utilizator OldpugAlex Ionescu Oldpug Data 16 ianuarie 2019 13:27:33
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.38 kb
#include <fstream>
int g[25][250001], n, m, i, j, k;main(){
  std::ifstream o{"stramosi.in"};
  o>>n>>m;
  for(i=1;i<=n;++i)
    o>>g[0][i];
  for(k=1;(1<<k)<=n;++k)
    for(j=1;j<=n;++j)
      g[k][j]=g[k-1][g[k-1][j]];
  std::ofstream s{"stramosi.out"};
  while(m--){
    k=0;o>>i>>j;
    while(j){
      if(j&1)i=g[k][i];
      ++k;j>>=1;
    }
    s<<i<<'\n';
  }
}