Cod sursa(job #2440893)

Utilizator driver71528@gmail.comTerec Andrei-Sorin [email protected] Data 19 iulie 2019 15:38:03
Problema Stramosi Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.73 kb
#include <fstream>
#include <iostream>
#define MaxN 250001
#define MaxM 300001
#define LogN 19
using namespace std;
int tati[LogN+1][MaxN];
int n,m;
int main()
{
    ifstream f("stramosi.in");
    ofstream g("stramosi.out");
    f>>n>>m;
    for(int i=1;i<=n;i++)
        f>>tati[1][i];
    for(int i=2;i<=LogN;i++)
        for(int j=1;j<=n;j++)
            tati[i][j]=tati[i-1][tati[i-1][j]];
    int q,p;
    for(int i=1;i<=m;i++)
    {
        f>>q>>p;
        int rez=q;
        for(int j=1;p;j=(j<<1))
        {
            if(p&j)
            {
                p-=j;
                rez = tati[j][rez];
            }
        }
        g<<rez<<'\n';
    }
    f.close();
    g.close();
    return 0;
}