Submission #497677

#	Time	Username	Problem	Language	Result	Execution time	Memory
497677		MilosMilutinovic	Toys (CEOI18_toy)	C++14	100 / 100	501 ms	4412 KiB

toy

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

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout << fixed << setprecision(11);
	cerr << fixed << setprecision(6);

	int n;
	cin >> n;

	set<int> answer;
	function<void(int, int, int)> Dfs = [&](int sum, int rem, int lst) {
		answer.insert(sum + rem - 1);
		for (int i = lst; i * i <= rem; i++) {
			if (rem % i != 0) continue;
			Dfs(sum + i - 1, rem / i, i);
		}
	};

	Dfs(0, n, 2);

	cout << answer.size() << "\n";
	for (int c : answer)
		cout << c << " ";
}

• Subtask 1: 19 / 19
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 21 / 21