Submission #81544

#	Time	Username	Problem	Language	Result	Execution time	Memory
81544		antimirage	Toys (CEOI18_toy)	C++17	59 / 100	5026 ms	17396 KiB

toy

#include <bits/stdc++.h>

#define mk make_pair
#define pb push_back
#define fr first
#define sc second

using namespace std;

int n;

vector <int> vec, ans;

set <int> res;

void dfs (int v, vector <int> &vec, int s = 0)
{
	ans.pb(s + v - 1);
	for (auto to : vec)
	{
		if (v  % to == 0 &&  v/ to >= to)
			dfs(v / to, vec, s + to - 1);
	}
}
int main() 
{
	cin >> n;
	for (int i = 2; i * i <= n; i++)
	{
		if (n % i != 0) continue;
		vec.pb(i);
	}
	dfs(n, vec);
	
	for (auto to : ans)
		res.insert(to);
	
	cout << res.size() << endl;
	for (auto to : res)
		printf("%d ", to);
}

• Subtask 1: 19 / 19
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 21