Submission #393232

#	Time	Username	Problem	Language	Result	Execution time	Memory
393232		nikatamliani	Toys (CEOI18_toy)	C++14	100 / 100	888 ms	24212 KiB

toy

#include <bits/stdc++.h>
using namespace std;
vector<int> dp(int n, int mini) {
    vector<int> ans = {n - 1};
    if(n == 1) {
        return ans;
    }
    for(int i = mini; i * i <= n; ++i) {
        if(n % i == 0) {
            for(int x : dp(n / i, i)) {
                ans.push_back(x + i - 1);
            }
        }
    }
    return ans;
}
int main() {
	ios::sync_with_stdio(0); cin.tie(0);
	int n;
	cin >> n;
	vector<int> ans = dp(n, 2);
	set<int> s(ans.begin(), ans.end());
	cout << (int)s.size() << '\n';
	for(int i : s) cout << i << ' ';
}

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