Cod sursa(job #2904761)

Utilizator florina15Florina florina15 Data 18 mai 2022 01:15:21
Problema Stramosi Scor 60
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.62 kb
#include <iostream>
#include <fstream>
using namespace std;

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

int n, m, a[20][250003];

int main()
{
    int i, j, x, k, res;

    f >> n >> m;

    for (i = 1; i <= n; i++)
        f >> a[0][i];

    for (i = 1; i <= 18; i++)
        for (j = 1; j <= n; j++)
            a[i][j] = a[i-1][a[i-1][j]];

    for (i = 1; i <= m; i++)
    {
        f >> x >> k;
        res = 0;
        while (k > 0)
        {
            if (k % 2 == 1) x = a[res][x];
            res++;
            k = k>>1;
        }
        g << x << endl;
    }
    return 0;
}