Cod sursa(job #3225002)
Utilizator | Mirel Costel unom | Data | 16 aprilie 2024 19:23:10 |
---|---|---|---|
Problema | Stramosi | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.86 kb |
#include <fstream>
#include <vector>
using namespace std;
ifstream in("stramosi.in");
ofstream out("stramosi.out");
int n, q;
int v[250005];
int w[21][250005];
int main()
{
in>>n>>q;
for(int i = 1; i<=n; i++)
{
in>>v[i];
}
for(int i = 0; i<=20; i++)
{
if(i == 0)
{
for(int j = 1; j<=n; j++)
{
w[i][j] = v[j];
}
}
else
{
for(int j = 1; j<=n; j++)
{
w[i][j] = w[i - 1][w[i - 1][j]];
}
}
}
int x, y;
while(q--)
{
in>>x>>y;
for(int i = 0; i<=20; i++)
{
if(y & (1 << i))
{
x = w[i][x];
}
}
out<<x<<'\n';
}
return 0;
}