Submission #248797

#	Time	Username	Problem	Language	Result	Execution time	Memory
248797		Sorting	Toys (CEOI18_toy)	C++14	100 / 100	496 ms	16896 KiB

toy

#include <bits/stdc++.h>

using namespace std;

vector<int> ans;

void solve(int sum, int n, int last){
    ans.push_back(sum + n - 1);
    for(int i = last; i * i <= n; ++i)
        if(n % i == 0)
            solve(sum + i - 1, n / i, i);
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(NULL);

    int n;
    cin >> n;

    solve(0, n, 2);
    sort(ans.begin(), ans.end());
    ans.resize(unique(ans.begin(), ans.end()) - ans.begin());

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

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