Submission #113324

#	Time	Username	Problem	Language	Result	Execution time	Memory
113324		maruii	Toys (CEOI18_toy)	C++14	100 / 100	618 ms	24596 KiB

toy

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

vector<int> f(int x, int a) {
	vector<int> ret = {x - 1};
	for (int i = a; i * i <= x; ++i) {
		if (x % i) continue;
		auto v = f(x / i, i);
		for (auto j: v) ret.push_back(j + i - 1);
	}
	return ret;
} 

int main(){
	ios_base::sync_with_stdio(0), cin.tie(0);
	int N; cin >> N;
	vector<int> ans = f(N, 2);
	sort(ans.begin(), ans.end());
	ans.erase(unique(ans.begin(), ans.end()), ans.end());
	cout << ans.size() << '\n';
	for (auto i: ans) cout << i << ' ';
	return 0;
}

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