Cod sursa(job #1042932)
| Utilizator | Data | 27 noiembrie 2013 20:03:16 | |
|---|---|---|---|
| Problema | Cerere | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.57 kb |
#include <fstream>
using namespace std;
ifstream f("stramosi.in");
ofstream g("stramosi.out");
int v[250001],a[20][250001],i,n,k,m,q,p;
int main()
{
f>>n>>m;
for(i=1;i<=n;i++)
f>>a[0][i];
v[1]=0;
for(i=2;i<=n;i++)
v[i]=v[i/2]+1;
for(i=1;i<=v[n];i++)
{
for(int j=1;j<=n;j++)
a[i][j]=a[i-1][a[i-1][j]];
}
for(i=1;i<=m;i++)
{
f>>q>>p;
while(p>0){
k=v[p];
q=a[k][q];
p=p-(1<<k);
}
g<<q<<'\n';
}
return 0;
}
