123445

DecStr operator+(const DecStr& ob1, const int ob2)
{
	DecStr tmp(ob1);
	int n1 = atoi(tmp.GetStr()), n2 = ob2;
	long long int A = long long int(n1) + n2;
	if (A < -2147483648 || A > 2147483647) {
		delete[] tmp.pCh;
		tmp.len = 0;
		tmp.pCh = new char[tmp.len + 1];
		tmp.pCh[0] = '\0';
	}
	else {
		char* tmpCh;
		int len2 = 0, tmpn = ob2;
		while (tmpn > 0) {
			len2++;
			tmpn /= 10;
		}
		if (tmp.len < len2) tmp.len = len2;
		tmpCh = new char[tmp.len + 2];
		_itoa_s(A, tmpCh, tmp.len + 2, 10);
		if (tmp.pCh) delete[] tmp.pCh;
		tmp.pCh = tmpCh;
		tmp.len = strlen(tmp.pCh);
	}
	cout << "DecStr operator+(const DecStr& ob1, const int ob2)" << endl;
	return tmp;
}