Pagini recente » Cod sursa (job #370605) | Cod sursa (job #869663) | Cod sursa (job #3279635) | Cod sursa (job #3223522) | Cod sursa (job #2339703)
#include <iostream>
#include <fstream>
using namespace std;
ifstream in("stramosi.in");
ofstream out("stramosi.out");
const int N =250005;
int n, m;
int p[25][N];
int afis;
void citire(){
in >> n >> m;
for (int i = 1; i <= n; ++i) {
in >> p[0][i];
}
}
void init(){
for (int i = 1; (1<<i) <= n ; ++i) {
for (int j = 1; j <= n; ++j){
p[i][j] = p[i - 1][p[i - 1][j]];
}
}
}
void interg(){
while (m--){
int q, r;
in >> q >> r;
for (int i = 0; i <= 18; ++i) {
if ((1<<i) & r)
q = p[i][q];
}
out << q << "\n";
}
}
int main() {
ios::sync_with_stdio (false);
citire ();
init();
interg ();
return 0;
}