Cod sursa(job #2503255)

Utilizator FrostfireMagirescu Tudor Frostfire Data 2 decembrie 2019 19:24:38
Problema Stramosi Scor 80
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.58 kb
#include <fstream>

using namespace std;

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

int n, q, dp[250010][20], nod, dist;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin >> n >> q;
    for(int i=1; i<=n; i++) cin >> dp[i][0];
    for(int i=1; i<=18; i++)
        for(int j=1; j<=n; j++) dp[j][i] = dp[dp[j][i-1]][i-1];
    for(int j=1; j<=q; j++)
        {   cin >> nod >> dist;
            for(int i=0; i<=18; i++) if(dist&(1<<i)) nod = dp[nod][i];
            cout << nod << '\n';
        }
    return 0;
}