Submission #584975

#	Time	Username	Problem	Language	Result	Execution time	Memory
584975		Jomnoi	Toys (CEOI18_toy)	C++17	59 / 100	978 ms	262144 KiB

toy

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

vector <int> ans;

void solve(int n, int sum = 0) {
    if(n == 1) {
        ans.push_back(sum);
        return;
    }

    int x = sqrt(n);
    for(int i = 2; i <= x; i++) {
        if(n % i == 0) {
            solve(n / i, sum + i - 1);
            if(i != n / i) {
                solve(n / (n / i), sum + (n / i) - 1);
            }
        }
    }

    solve(1, sum + n - 1);
}

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);

    int N;
    cin >> N;

    solve(N);   

    sort(ans.begin(), ans.end());
    ans.resize(unique(ans.begin(), ans.end()) - ans.begin());

    cout << ans.size() << '\n';
    for(auto v : ans) {
        cout << v << ' ';
    } 
    return 0;
}

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