This. Main point of giving candidates CS problems was always to weed out those who couldn't program at all, but somehow were still in the industry. I worked wit

This. Main point of giving candidates CS problems was always to weed out those who couldn't program at all, but somehow were still in the industry. I worked with such people - it's unpleasant. Somehow someone figured that giving harder problems should result in better candidates. Personally, despite having passed most of the tests I've been subjected to, I don't see the connection.