Cod sursa(job #1302906)
| Utilizator | Data | 27 decembrie 2014 14:26:08 | |
|---|---|---|---|
| Problema | Stramosi | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.62 kb |
#include <fstream>
#include <cstdio>
using namespace std;
ofstream fout("stramosi.out");
int s[250001][20];
int p,q,m,n;
int main()
{
freopen("stramosi.in","r",stdin);
scanf("%d%d",&n,&m);
for(int i=1;i<=n;i++)
{
scanf("%d",&p);
if(p!=0)
{
s[i][1]=p;
for(int j=2;j<=19;j++)
s[i][j]=s[p][j-1];
}
}
for(int i=1;i<=m;i++)
{
scanf("%d%d",&q,&p);
while(p>19)
{
if(s[q][19]==0) break;
q=s[q][19],p-=19;
}
fout<<s[q][p]<<'\n';
}
return 0;
}
