rub2

DecStr operator + (const DecStr& pobj1, const int pobj2)
{
    int num1, num2;
    DecStr tmp(pobj1);
    num1 = atoi(tmp.GetStr());
    num2 = pobj2;
    long long int A = long long(num1) + num2;
    if (A < -2147483648 || A > 2147483647) {
    delete[] tmp.pCh;
    tmp.len = 0;
    tmp.pCh = new char[tmp.len + 1];
    tmp.pCh[0] = '\0';
    } else {
    char* pTmpCh;
    int LenPobj2 = 0;
    int Pobj2_2 = pobj2;
    while (Pobj2_2 % 10 != 0)
    {
        Pobj2_2 = Pobj2_2 / 10;
        LenPobj2++;
    }
    if (tmp.len >= LenPobj2)
    {
        pTmpCh = new char[tmp.len + 2];
        _itoa_s(A, pTmpCh, tmp.len + 2, 10);
    }
    else
    {
        pTmpCh = new char[LenPobj2 + 2];
        _itoa_s(A, pTmpCh, LenPobj2 + 2, 10);
    }
    if (tmp.pCh) delete[] tmp.pCh;
    tmp.pCh = pTmpCh;
    tmp.len = strlen(tmp.pCh);
}
    return tmp;
}