Submission #135867

#	Time	Username	Problem	Language	Result	Execution time	Memory
135867		Minnakhmetov	Toys (CEOI18_toy)	C++14	100 / 100	874 ms	4224 KiB

toy

#include<bits/stdc++.h>
using namespace std;
 
#define ll long long
#define all(aaa) aaa.begin(), aaa.end()

vector<int> solve(int n, int last) {
    vector<int> v = { n - 1 };
    for (int i = last; i * i <= n; i++) {
        if (n % i == 0) {
            auto q = solve(n / i, i);
            for (int x : q)  {
                x += i - 1;
                v.push_back(x);
            }
        }
    }
    sort(all(v));
    v.erase(unique(all(v)), v.end());
    return v;
}

 
signed main() {
#ifdef HOME
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    int n;
    cin >> n;

    auto v = solve(n, 2);

    cout << v.size() << "\n";
    for (int x : v)
        cout << x << " ";

    return 0;
}

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