Submission #763464

#	Time	Username	Problem	Language	Result	Execution time	Memory
763464		SanguineChameleon	Toys (CEOI18_toy)	C++17	100 / 100	2268 ms	86472 KiB

toy

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

void just_do_it();

int main() {
	#ifdef KAMIRULEZ
		freopen("kamirulez.inp", "r", stdin);
		freopen("kamirulez.out", "w", stdout);
	#endif
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	just_do_it();
	return 0;
}

void just_do_it() {
	int n;
	cin >> n;
	vector<int> facts;
	for (int i = 1; i * i <= n; i++) {
		if (n % i == 0) {
			facts.push_back(i);
			if (n / i != i) {
				facts.push_back(n / i);
			}
		}
	}
	sort(facts.begin(), facts.end());
	vector<set<int>> dp(facts.size());
	dp[0].insert(0);
	for (int i = 1; i < (int)facts.size(); i++) {
		for (int j = 0; j < i; j++) {
			if (facts[i] % facts[j] == 0) {
				for (auto x: dp[j]) {
					dp[i].insert(x + facts[i] / facts[j] - 1);
				}
			}
		}
	}
	cout << dp.back().size() << '\n';
	for (auto x: dp.back()) {
		cout << x << " ";
	}
}

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