제출 #855943

#제출 시각아이디문제언어결과실행 시간메모리
855943PanndaAbracadabra (CEOI22_abracadabra)C++14
10 / 100
318 ms524288 KiB
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n, q; cin >> n >> q; vector<vector<int>> key(1, vector<int>(n)); for(int i = 0; i < n; i++) { cin >> key[0][i]; } while (true) { vector<int> a(n); merge(key.back().begin(), key.back().begin() + n / 2, key.back().begin() + n / 2, key.back().end(), a.begin()); if (a == key.back()) break; key.push_back(a); } while (q--) { int t, i; cin >> t >> i; i--; t = min(t, (int)key.size() - 1); cout << key[t][i] << '\n'; } }
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