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int DataBase::split(fstream& from,fstream& from0,unsigned int p){
    int pos0 = static_cast<int>(from.tellp());
    char *a,*b;
    Data d,d0;
    Index x,x0;
    from.clear();
    from.seekp(0,ios::end);
    int PosEnd = static_cast<int>(from.tellp());
    PosEnd -=static_cast<int>(p);
    a = new char[PosEnd];
    from.seekp(p,ios::beg);
    from.read(a,PosEnd); 
    from.seekp(p+BlockSize,ios::beg);
    from.write(a,PosEnd); 
    from.seekp(p+BlockSize,ios::beg);
    b = a+5*RecordSize;
    from.write(b,RecordSize*5);
    for (int i = 0; i < 5; ++i){ 
        from << d;
    }
    from.seekp(p+RecordSize*5,ios::beg);
    for (int i = 0; i < 5; ++i){ 
        from << d;
    }
    from.seekg(p+RecordSize*4);
    from >> d;
    int newmax = d.Id(); 
    from0.seekp(0,ios::end);
    int indexend =static_cast<int>(from0.tellp());
    from0.seekg(0,ios::beg);
    while(true){ 
        from0 >> x;
        if(from0.eof())break;
        if(x.Pointer() == p){ 
            int oldpos = static_cast<int>(from0.tellp());
            oldpos++;
            int count = indexend - oldpos;
            char *c = new char[count];
            from0.seekg(1,ios::cur);
            from0.read(c,count);
            from0.seekp(oldpos,ios::beg);
            x0.Max(x.Max()); 
            x0.Num(5);
            x0.Pointer(p + BlockSize);
            from0 << x0;
            from0.write(c,count);
            from0.seekp(oldpos - IndexSize,ios::beg);
            x.Max(newmax); 
            x.Num(5);
            from0 << x;
            delete c;
            from.clear();
            from0.seekp(0,ios::beg);
            break;
        }
    }
    from.clear();
    bool first = false;
    while(true){ 
        from0 >> x;
        if(from0.eof())break;
        if(x.Pointer() > p ){
            if(!first){ 
                from0.seekp(-(IndexSize-1),ios::cur);
                from0 << x;
                int test = from0.tellp();
                from0.clear();
                first = true;
                continue;
            }
            x.Pointer(x.Pointer()+BlockSize);
            from0.seekp(-(IndexSize-1),ios::cur);
            from0 << x;
            int test = from0.tellp();
        }
        else{ 
            from0.seekp(-(IndexSize-1),ios::cur);
            from0 << x;
            int test = from0.tellp();
            from0.clear();
        }
    }
    from.clear();
    from.seekp(pos0);
    delete a;
    //delete b;
    return 0;
}