Cod sursa(job #3296637)

Utilizator biancalautaruBianca Lautaru biancalautaru Data 14 mai 2025 22:10:07
Problema Stramosi Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.45 kb
#include <fstream>
using namespace std;
ifstream fin("stramosi.in");
ofstream fout("stramosi.out");
int n, q, k, p, r, d[250001][19];
int main() {
	fin >> n >> q;
	for (int i = 1; i <= n; i++)
		fin >> d[i][0];
	for (int i = 1; i <= n; i++)
		for (int j = 1; j <= 18; j++)
			d[i][j] = d[d[i][j - 1]][j - 1];
	while (q--) {
		fin >> k >> p;
		r = 0;
		while (p != 0) {
			if (p % 2 != 0)
				k = d[k][r];
			r++;
			p /= 2;
		}
		fout << k << "\n";
	}
	return 0;
}