Cod sursa(job #1856775)
| Utilizator | Data | 25 ianuarie 2017 13:57:18 | |
|---|---|---|---|
| Problema | Stramosi | Scor | 80 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.56 kb |
#include <iostream>
#include <fstream>
#include <cmath>
using namespace std;
ifstream f ("stramosi.in");
ofstream g ("stramosi.out");
int r[300000];
int n,m, a[300000][50],q,p;
int main()
{
f>>n>>m;
for (int i=1;i<=n;i++)
f>>a[i][0];
for (int j=1;(1<<j)<=n;j++)
for (int i=1;i<=n;i++)
a[i][j]= a[a[i][j-1]][j-1];
for (int i=1;i<=m;i++)
{
f>>q>>p;
for (int i = 0; (1<<i) <= p; i++)
if ((1<<i) & p)
q = a[q][i];
g<< q<<'\n';
}
return 0;
}
