Submission #920780

#	Time	Username	Problem	Language	Result	Execution time	Memory
920780		Muhammad_Aneeq	Toys (CEOI18_toy)	C++17	100 / 100	891 ms	24012 KiB

toy

/*
بسم الله الرحمن الرحيم
Author:
                          (:Muhammad Aneeq:)
*/

#include <iostream>
#include <cmath>
#include <vector>
#include <algorithm>
#include <map>
#include <cstring>
using namespace std;
map<int,vector<int>>d;
vector<int> divsum(int n)
{
    if (d.find(n)!=d.end())
        return d[n];
    vector<int>ans;
    ans.push_back(n-1);
    for (int i=2;i<=sqrt(n);i++)
    {
        if (n%i==0)
        {
            vector<int>y=divsum(n/i);
                for (auto j:y)
                    ans.push_back(i+j-1);
        }
    }
    sort(begin(ans),end(ans));
    int z=unique(begin(ans),end(ans))-begin(ans);
    ans.resize(z);
    d[n]=ans;
    return ans;
}
inline void solve()
{
    int n;
    cin>>n;
    vector<int>z=divsum(n);
    cout<<z.size()<<endl;
    for (auto i:z)
        cout<<i<<' ';
    cout<<endl;
}
int main()
{
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
        solve();
}

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