Cod sursa(job #2611825)

Utilizator tomitza.1604Sacuiu TomaAndrei tomitza.1604 Data 7 mai 2020 17:15:28
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.72 kb
#include <iostream>
#include <fstream>
using namespace std;

ifstream in("stramosi.in");
ofstream out("stramosi.out");

int v[20][250001], n, m;

int main()
{
    in >> n >> m;
    for(int i = 1; i <= n; i++)
    {
        in >> v[0][i];
    }
    for(int i = 1; i <= 18; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            v[i][j] = v[i-1][v[i-1][j]];
        }
    }
    while(m)
    {
        m --;
        int p, q, ans, j = 0;
        in >> q >> p;
        ans = q;
        while(p)
        {
            if(p%2 != 0)
            {
                ans = v[j][ans];
            }
            p /= 2;
            j++;
        }
        out << ans << "\n";
    }
    return 0;
}