Cod sursa(job #2243904)

Utilizator tigeraOprea Tereza Emilia tigera Data 21 septembrie 2018 17:52:17
Problema Stramosi Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.52 kb
#include <iostream>
#include <fstream>

using namespace std;


ifstream fin ("stramosi.in");
ofstream fout ("stramosi.out");


int a[250010][20], n, m, q, p, str, put;

int main ()
{
	fin >> n >> m;
	for (int i=1; i<=n; i++)
		fin >> a[0][i];
	for (int i=1; i<=18; i++)
	{
		for (int j=1; j<=n; j++)
			a[i][j] = a[i-1][a[i-1][j]];
	}
	for (int k=1; k<=m; k++)
	{
		fin >> q >> p;
		str = a[0][q];
		p--;
		put = 0;
		while (p!=0)
		{
			if(p%2==1)
			{
				str = a[put][str];
			}
			p/=2;
			put++;
		}
		fout << str << '\n';
	}
}