Cod sursa(job #2617369)

Utilizator pascustefanPascu Stefan Liviu pascustefan Data 21 mai 2020 15:59:34
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.61 kb
#include <bits/stdc++.h>

using namespace std;

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

int n, m, dp[19][250010], q, p, r, rez;

int main() {
    f>>n>>m;
    for(int i = 1; i <= n; i++)
        f>>dp[0][i];
    for(int j = 1; j <= 18; j++)
        for(int i = 1; i <= n; i++)
            dp[j][i] = dp[j - 1][dp[j - 1][i]];

    for(int i = 1; i <= m; i++) {
        f>>q>>p;
        r = 0;
        rez = q;

        while(p != 0) {
            if(p % 2 != 0)
                rez = dp[r][rez];
            p = p >> 1;
            r++;
        }
        g<<rez<<'\n';
    }
}