Cod sursa(job #1043131)
Utilizator | Data | 28 noiembrie 2013 00:44:57 | |
---|---|---|---|
Problema | Stramosi | Scor | 50 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.52 kb |
#include<fstream>
#define NMAX 250005
using namespace std;
int v[18][NMAX],n,m,i,j,p,q;
int main()
{
ifstream in("stramosi.in");
ofstream out("stramosi.out");
in>>n>>m;
for(i=1;i<=n;i++)
in>>v[0][i];
for(i=1;(1<<i)<=n;i++)
for(j=1;j<=n;j++)
v[i][j]=v[i-1][v[i-1][j]];
for(;m;--m)
{
in>>p>>q;
for(i=0,j=1;j<=q;i++,j<<=1)
if(j&q)
p=v[i][p];
out<<p<<endl;
}
in.close();
out.close();
return 0;
}