Cod sursa(job #3173607)

Utilizator Radu_MocanasuMocanasu Radu Radu_Mocanasu Data 23 noiembrie 2023 12:42:36
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.54 kb
#include <bits/stdc++.h>

using namespace std;
ifstream fin("stramosi.in");
ofstream fout("stramosi.out");
int up[250002][19];
int main()
{
    int n,q,i,j,t,h;
    fin >> n >> q;
    for(i = 1; i <= n; i++) fin >> up[i][0];
    for(i = 1; i <= n; i++){
        for(j = 1; (1 << j) <= n; j++) up[i][j] = up[up[i][j - 1]][j - 1];
    }
    for(i = 1; i <= q; i++){
        fin >> t >> h;
        for(int e = 0; (1 << e) <= h; e++){
            if((1 << e) & h) t = up[t][e];
        }
        fout << t << "\n";
    }
    return 0;
}