Cod sursa(job #2754918)

Utilizator GhiuzanuEdward Ghiuzan Ghiuzanu Data 26 mai 2021 17:56:08
Problema Stramosi Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.65 kb
#include <iostream>
#include <fstream>

using namespace std;

const int NMAX = 25e4;
const int LOGMAX = 17;
ifstream fin ( "stramosi.in" );
ofstream fout ( "stramosi.out" );
int a[LOGMAX + 1][NMAX + 1];
int main() {
    int n, Q, q, p, j;
    fin >> n >> Q;

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

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

    while (Q--) {
        fin >> q >> p;
        j = 0;
        while (p){
            if (p & 1) //par sau impar
                q = a[j][q];
            j++;
            p /= 2;
        }
        fout<<q<<'\n';
    }
    return 0;
}