Pagini recente » Cod sursa (job #1144772) | Cod sursa (job #1773095) | Cod sursa (job #2100115) | Cod sursa (job #2389591) | Cod sursa (job #2283178)
#include <bits/stdc++.h>
using namespace std;
ifstream in("stramosi.in");
ofstream out("stramosi.out");
const int Nmax = 25e4;
int stramos[20][Nmax + 10];
int main() {
ios::sync_with_stdio(false); in.tie(0); out.tie(0);
int n, m; in >> n >> m;
for(int i = 1; i <= n; ++i) {
in >> stramos[0][i];
}
for(int i = 1; (1 << i) <= n; ++i) {
for(int j = 1; j <= n; ++j) {
stramos[i][j] = stramos[i - 1][stramos[i - 1][j]];
}
}
while(m--) {
int q, p; in >> q >> p;
for(int i = 0; (1 << i) <= n && q; ++i) {
if((p >> i) % 2 == 1) {
q = stramos[i][q];
}
}
out << q << '\n';
}
in.close(); out.close();
return 0;
}