Submission #1032646

#	Time	Username	Problem	Language	Result	Execution time	Memory
1032646		juicy	Intercastellar (JOI22_ho_t1)	C++17	100 / 100	69 ms	10180 KiB

Main

#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

int main() {
	ios::sync_with_stdio(false); cin.tie(nullptr);

	int N; cin >> N;
	vector<int> A(N);
	for (int i = 0; i < N; ++i) {
		cin >> A[i];
	}
	function<int(int)> rec = [&](int x) {
		if (x & 1) {
			return 1;
		}
		return 2 * rec(x / 2);
	};
	vector<pair<int, long long>> B;
	for (int i = 0; i < N; ++i) {
		int x = A[i];
		while (x % 2 == 0) {
			x /= 2;
		}
		B.push_back({x, rec(A[i])});
	}
	for (int i = 1; i < N; ++i) {
		B[i].second += B[i - 1].second;
	}
	int Q; cin >> Q;
	while (Q--) {
		long long X; cin >> X;
		int L = 0, R = N - 1, res = -1;
		while (L <= R) {
			int md = (L + R) / 2;
			if (B[md].second >= X) {
				res = md;
				R = md - 1;
			} else {
				L = md + 1;
			}
		}
		cout << B[res].first << "\n";
	}
	return 0;
}

• Subtask 1: 25 / 25
• Subtask 2: 35 / 35
• Subtask 3: 40 / 40