Pagini recente » Cod sursa (job #912628) | Cod sursa (job #522820) | Cod sursa (job #1636189) | Cod sursa (job #2770428) | Cod sursa (job #1887675)
#include <fstream>
#include <vector>
#define nmax 250010
using namespace std;
ifstream fin("stramosi.in");
ofstream fout("stramosi.out");
int n,m,x,y,d[30][nmax];
int main()
{
int i,j;
fin>>n>>m;
for(i=1;i<=n;i++)
fin>>d[0][i];
for(i=1;(1<<i)<=n;i++)
{
for(j=1;j<=n;j++)
{
d[i][j]=d[i-1][d[i-1][j]];
}
}
for(i=1;i<=m;i++)
{
fin>>x>>y;
for(j=0; (1<<j)<=y ;j++)
{
if(y&(1<<j))
x=d[j][x];
}
fout<<x<<'\n';
}
fin.close();
fout.close();
return 0;
}