Pagini recente » Cod sursa (job #457121) | Cod sursa (job #1897202) | Cod sursa (job #692339) | Cod sursa (job #3041607) | Cod sursa (job #2438182)
#include <fstream>
using namespace std;
ifstream cin("stramosi.in");
ofstream cout("stramosi.out");
int n, m, DP[22][300005];
int main()
{
cin >> n >> m;
for (int i = 1; i <= n; i++)
cin >> DP[0][i];
for (int i = 1; i <= n; i++)
for (int j = 1; j <= 20; j++)
DP[j][i] = DP[j - 1][DP[j - 1][i]];
while (m--)
{
int x, y;
cin >> x >> y;
for (int i = 20; i >= 0; i--)
if (y & (1 << i))
x = DP[i][x];
cout << x << "\n";
}
return 0;
}