Cod sursa(job #622057)

Utilizator dtoniucDaniel Toniuc dtoniuc Data 17 octombrie 2011 12:18:30
Problema Stramosi Scor 80
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.47 kb
#include<iostream>
#include<fstream>
using namespace std;
int n,m,p,q;
int a[20][250001];
int main()
{
	freopen ("stramosi.in","r",stdin);
	ofstream fout("stramosi.out");
	scanf ("%d%d",&n,&m);
	for(int i=1;i<=n;++i)
		scanf("%d",&a[0][i]);
	for(int i=1;i<=19;++i)
		for(int j=1;j<=n;++j)
			a[i][j]=a[i-1][a[i-1][j]];
	for(int i=1;i<=m;++i)
	{
		scanf("%d%d",&q,&p);
		for (int j=19;j>=0;--j)
			if ((p>>j)&1) q=a[j][q];
		fout<<q<<'\n';
	}
	return 0;
}