제출 #533818

#제출 시각아이디문제언어결과실행 시간메모리
533818groshiToys (CEOI18_toy)C++17
100 / 100
771 ms4424 KiB
#include<iostream>
#include<vector>
#include<algorithm>
#include<set>
using namespace std;
vector<int> Q;
set<int> wynik;
set<int>::iterator it;
void rozklad(int n)
{
    for(int i=1;i*i<=n;i++)
        if(n%i==0)
        {
            if(i*i==n)
                Q.push_back(i);
            else{
                Q.push_back(i);
                Q.push_back(n/i);
            }
        }
    sort(Q.begin(),Q.end());
}
void oblicz(int n,int gdzie,int suma)
{
    if(n==1)
    {
        wynik.insert(suma);
        return;
    }
    for(int i=gdzie;i>0;i--)
    {
        if(n%Q[i]==0)
            oblicz(n/Q[i],i,suma+Q[i]-1);
    }
}
int main()
{
    cin.tie(0);
    cout.tie(0);
    ios_base::sync_with_stdio(0);
    int n;
    cin>>n;
    rozklad(n);
    oblicz(n,Q.size()-1,0);
    cout<<wynik.size()<<"\n";
    for(it=wynik.begin();it!=wynik.end();it++)
        cout<<*it<<" ";
    return 0;
}
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