Submission #545587

#	Time	Username	Problem	Language	Result	Execution time	Memory
545587		aryan12	Intercastellar (JOI22_ho_t1)	C++17	100 / 100	87 ms	10892 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#define int long long

mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());

void Solve() {
	int n;
	cin >> n;
	vector<int> a(n + 1);
	for(int i = 1; i <= n; i++) {
		cin >> a[i];
	}
	vector<pair<int, int> > final;
	for(int i = 1; i <= n; i++) {
		int cnt = 1;
		while(a[i] % 2 == 0) {
			a[i] /= 2;
			cnt *= 2;
		}
		final.push_back(make_pair(a[i], cnt));
	}
	for(int i = 1; i < final.size(); i++) {
		final[i].second += final[i - 1].second;
	}
	int q;
	cin >> q;
	while(q--) {
		int x;
		cin >> x;
		int l = 0, r = final.size() - 1;
		int ans = r;
		while(l <= r) {
			int mid = (l + r) / 2;
			if(final[mid].second >= x) {
				ans = mid;
				r = mid - 1;
			}
			else {
				l = mid + 1;
			}
		}
		cout << final[ans].first << "\n";
	}
}

int32_t main() {
	auto begin = std::chrono::high_resolution_clock::now();
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int t = 1;
	//cin >> t;
	while(t--) {
		Solve();
	}
	auto end = std::chrono::high_resolution_clock::now();
    auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
    cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n"; 
	return 0;
}

Compilation message (stderr)

Main.cpp: In function 'void Solve()':
Main.cpp:23:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |  for(int i = 1; i < final.size(); i++) {
      |                 ~~^~~~~~~~~~~~~~

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