Cod sursa(job #811710)
Utilizator | Data | 12 noiembrie 2012 20:49:28 | |
---|---|---|---|
Problema | Stramosi | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.45 kb |
#include<fstream>
#define nmax 250005
using namespace std;
ifstream f("stramosi.in");
ofstream g("stramosi.out");
int n,m,a[20][nmax];
int main()
{
f>>n>>m;
int i,j,p,q;
for(i=1;i<=n;i++)
f>>a[0][i];
for(i=1;i<=18;i++)
for(j=1;j<=n;j++)
a[i][j]=a[i-1][a[i-1][j]];
while(m--)
{
f>>q>>p;
while(p)
{
for(i=1;1<<i<=p;i++);
i--;
p-=1<<i;
q=a[i][q];
}
g<<q<<'\n';
}
f.close();
g.close();
return 0;
}