Cod sursa(job #485830)

Utilizator drywaterLazar Vlad drywater Data 19 septembrie 2010 17:19:48
Problema Stramosi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.5 kb
#include <stdio.h>
using namespace std;
FILE *f=fopen("stramosi.in","r"),*g=fopen("stramosi.out","w");
int n,m,a,b,v[32][250010],i,j,x;
int main(void)
{
	fscanf(f,"%d%d",&n,&m);
	for (i=1;i<=n;i++)
		fscanf(f,"%d",&v[0][i]);
	for (i=1;i<=30;i++)
	{
		for (j=1;j<=n;j++)
			v[i][j]=v[i-1][v[i-1][j]];
	}
	for (i=1;i<=m;i++)
	{
		fscanf(f,"%d%d",&a,&b);
		x=0;
		while (b)
		{
			if (b%2==1)
				a=v[x][a];
			x++;
			b/=2;
		}
		fprintf(g,"%d\n",a);
	}
	fclose(g);
	return 0;
}