Cod sursa(job #2488119)
| Utilizator | Data | 6 noiembrie 2019 10:02:33 | |
|---|---|---|---|
| Problema | Stramosi | Scor | 100 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva de probleme | Marime | 0.62 kb |
#include <fstream>
using namespace std;
ifstream f("stramosi.in");
ofstream g("stramosi.out");
int n,m,a[50][250001],log[250001],i,j,q,p;
int main()
{
f>>n>>m;
for(i=1; i<=n; i++)
{
f>>a[0][i];
}
for(i=1; (1<<i)<=n; i++)
for(j=1; j<=n; j++)
{
a[i][j]=a[i-1][a[i-1][j]];
}
for(i=2; i<=n; i++)
log[i]=log[i/2]+1;
for(i=1;i<=m;i++)
{
f>>q>>p;
int ans;
while(p>0)
{
int x=log[p];
q=a[x][q];
p-=(1<<x);
}
g<<q<<'\n';
}
return 0;
}
