Pagini recente » Cod sursa (job #2611558) | Cod sursa (job #316367) | Cod sursa (job #2638047) | Cod sursa (job #2086977) | Cod sursa (job #2917508)
// AS 1
#include <iostream>
#include <fstream>
using namespace std;
#define M 2500001
ifstream f("stramosi.in");
ofstream g("stramosi.out");
int n,m,i,j,a[M][20],s,q,p,put,exp;
int main()
{
f>>n>>m;
for(i=1;i<=n;i++)
{
f>>a[i][1];
}
for(i=2;i<=19;i++)
{
for(j=1;j<=n;j++)
{
s=a[j][i-1];
a[j][i]=a[s][i-1];
}
}
for(i=1;i<=m;i++)
{
f>>q>>p;
while(p>0)
{
put=1;
exp=0;
while(put*2<p)
{
put=put*2;
exp++;
}
q=a[q][exp+1];
p=p-put;
}
g<<q<<"\n";
}
return 0;
}