PartitiiMultime2

#include <bits/stdc++.h>
using namespace std;

short int x[12], n;
ifstream fin("partitiimultime2.in");
class OutParser
{
private:
    FILE *fout;
    char *buff;
    int sp;

    void write_ch(char ch)
    {
        if(sp==50000)
        {
            fwrite(buff,1,50000,fout);
            sp=0;
            buff[sp++]=ch;
        }
        else
        {
            buff[sp++]=ch;
        }
    }

public:
    OutParser(const char* name)
    {
        fout=fopen(name,"w");
        buff=new char[50000]();
        sp=0;
    }
    ~OutParser()
    {
        fwrite(buff,1,sp,fout);
        fclose(fout);
    }

    OutParser& operator <<(int vu32)
    {
        if(vu32<=9)
        {
            write_ch(vu32+'0');
        }
        else
        {
            (*this) <<(vu32/10);
            write_ch(vu32%10+'0');
        }
        return *this;
    }

    OutParser& operator <<(long long vu64)
    {
        if(vu64<=9)
        {
            write_ch(vu64+'0');
        }
        else
        {
            (*this) <<(vu64/10);
            write_ch(vu64%10+'0');
        }
        return *this;
    }

    OutParser& operator <<(char ch)
    {
        write_ch(ch);
        return *this;
    }
    OutParser& operator <<(const char *ch)
    {
        while(*ch)
        {
            write_ch(*ch);
            ++ch;
        }
        return *this;
    }
};
OutParser fout("partitiimultime2.out");
short int maxim(short int k);
void scrie();
void Back(short int k);
int main()
{
    fin>>n;
    x[1]=1;
    Back(2);
    return 0;
}

short int maxim(short int k)
{
    short int i,z=0;
    for(i=1; i<k; i++)
        z=max(x[i],z);
    return z;
}
void scrie()
{
    short int i,z,j;
    z=maxim(n+1);
    for(i=1; i<=z; i++)
    {
        for(j=1; j<=n; j++)
            if(x[j]==i)
                fout<<j;
        fout<<"*";
    }
    fout<<'\n';
}

void Back(short int k)
{
    if(k==n+1)
        scrie();
    else
        for(short int i=1; i<=maxim(k)+1; i++)
        {
            x[k]=i;
            Back(k+1);
        }
}