Cod sursa(job #2522136)

Utilizator andra1782Andra Alazaroaie andra1782 Data 12 ianuarie 2020 00:27:58
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.56 kb
#include <stdio.h>
#define MAX 250001
int d[18][MAX];
int main(){
  FILE *fin=fopen("stramosi.in","r");
  FILE *fout=fopen("stramosi.out","w");
  int n,m,i,j,q,p;

  fscanf(fin,"%d%d",&n,&m);
  for(i=1; i<=n; i++)
    fscanf(fin,"%d",&d[0][i]);
  for(i=1; i<18; i++)
    for(j=1; j<=n; j++)
      d[i][j]=d[i-1][d[i-1][j]];
  for(i=0; i<m; i++){
    fscanf(fin,"%d%d",&q,&p);
    j=0;
    while(p){
      if(p%2!=0)
        q=d[j][q];
      p/=2;
      j++;
    }
    fprintf(fout,"%d\n",q);
  }
  fclose(fin);
  fclose(fout);
  return 0;
}