Cod sursa(job #2792422)

Utilizator Mircea08Tomita Mircea Stefan Mircea08 Data 1 noiembrie 2021 17:36:02
Problema Stramosi Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.55 kb
#include <fstream>
using namespace std;
ifstream fin("stramosi.in");
ofstream fout("stramosi.out");
int n, m, stramos[250005], frecv[250005], P, Q;
int main() {
    fin >> n >> m;
    for (int i = 1; i <= n; ++ i)
        fin >> stramos[i], ++ frecv[stramos[i]];
    for (int i = 0; i < m; ++ i) {
        fin >> Q >> P;
        P -= frecv[Q];
        while (P > 0) {
            if (stramos[Q] == 0)
                break;
            Q = stramos[Q];
            P -= frecv[Q];
        }
        fout << Q << '\n';
    }
    return 0;
}