Inita interview questions

1) Call with HR, it was amazing interview, this step was very well, interviewer was very polite 2) Need to solve a task, 3) Tech interview - the company hired a person to conduct the interview and it was very bad, the interviewer asked a few questions, relatively easy, I answered one of them with doubts and he began to get to the bottom of this question, when I answered that I could not answer, the interviewer he simply said that can't continue the interview