Submission #260588

#	Time	Username	Problem	Language	Result	Execution time	Memory
260588		stefantaga	Toys (CEOI18_toy)	C++14	59 / 100	5056 ms	780 KiB

toy

#include <bits/stdc++.h>

using namespace std;
int valori[10000005],q1,n,q,divi[1000005],solutii[1000005],fin;
void back1(int nr,int suma,int prod)
{
    if (prod==n)
    {
        valori[++fin]=suma-nr;
        return;
    }
    int i;
    for (i=1;i<=q;i++)
    {
        if ((n/prod)%divi[i]==0&&solutii[nr-1]<=divi[i])
        {
            solutii[nr]=divi[i];
            back1(nr+1,suma+divi[i],prod*divi[i]);
        }
    }
}
int i,nr;
int main()
{
    #ifdef HOME
    ifstream cin("date.in");
    ofstream cout("date.out");
    #endif // HOME
    cin>>n;
    if (n==1)
    {
        cout<<"1"<<'\n';
        cout<<"0";
        return 0;
    }
    for (i=1;i*i<=n;i++)
    {
        if (n%i==0)
        {
            if (i!=1)
            {
                divi[++q]=i;
            }
            divi[++q]=n/i;
        }
    }
    back1(0,0,1);
    sort (valori+1,valori+fin+1);
    nr=0;
    for (i=1;i<=fin;i++)
    {
        if (valori[i]!=valori[i-1])
        {
            nr++;
        }
    }
    cout<<nr<<'\n';
    for (i=1;i<=fin;i++)
    {
        if (valori[i]!=valori[i-1])
        {
            cout<<valori[i]<<" ";
        }
    }
    return 0;
}

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