My overall but subjective impression is that the quality of the questions is not so good, but the quality of the answers is very good. To elaborate:
Regarding the questions:
There are so many questions that appear to be just homework questions or other problems from a textbook that have been copy-pasted into the site, with no other indication of effort. ...
How to reduce the number of crossing edges in a diagram?
Net Score: 8 (Excellent: 8, Satisfactory: 5, Needs Improvement: 0)
Clear, complete, proof that a language is Turing Compete?
Net Score: 5 (Excellent: 8, Satisfactory: 5, Needs Improvement: 3)
Approximation algorithm for Feedback Arc Set
Net Score: 4 (Excellent: 6, Satisfactory: 5, ...
One thing that stroke me as odd during the review was the amount of question which had just a single answer. And often this single answer was provided by Yuval Filmus. Is it possible that the selection of questions was "intentionally" not representative, or is the percentage of question were Yuval Filmus was the only one to provide an answer really so high?
This site stays as a personal reminder to me of how I suck at gauging the potential of site proposals. It's doing REALLY WELL.
I particularly love how engaged and self-critical the community is here - quality appears to stay reasonably high even in the face of WAVES of students asking homework questions, lazy questions and bogus answers ...
Counting elements that are greater than the median of medians
Net Score: 7 (Excellent: 7, Satisfactory: 6, Needs Improvement: 0)
What can Idris not do by giving up Turing completeness?
Net Score: 7 (Excellent: 7, Satisfactory: 5, Needs Improvement: 0)
In type systems, is there a name for SQL's way of cutting and combining record types ...
Why is the CPU Involved During Keyboard Echo?
Net Score: 11 (Excellent: 11, Satisfactory: 7, Needs Improvement: 0)
MAX,MAJ variants of NP complete problems
Net Score: 8 (Excellent: 9, Satisfactory: 7, Needs Improvement: 1)
Some slight confusion with the UNTIL operator in CTL (e.g. a U b)
Net Score: 8 (Excellent: 9, Satisfactory: 4, Needs ...
Because of Miles Rout's answer expressing his honest opinion, I also want to give an answer expressing a personal opinion. I don't really have an opinion on whether a stackexchange site about a subject, which is also an academic profession, should be related to the curriculum of typical introductory and advanced courses for students of that profession. To ...
Easy infinite subclass of cubic graphs for Hamiltonian cycle problem
Net Score: 12 (Excellent: 14, Satisfactory: 3, Needs Improvement: 2)
Find missing value in period of LCG
Net Score: 11 (Excellent: 15, Satisfactory: 4, Needs Improvement: 4)
Finding number not in list with wildcards
Net Score: 8 (Excellent: 10, Satisfactory: 9, Needs ...
Relationship between Undecidable Problems and Recursively Enumerable languages
Net Score: 5 (Excellent: 7, Satisfactory: 4, Needs Improvement: 2)
Why don't we emphasize "length of input string" when considering time complexity of sorting algorithms?
Net Score: 7 (Excellent: 8, Satisfactory: 4, Needs Improvement: 1)
Find out the ...
Pumping Lemma for regular languages proof doubt - Sipser Book
Net Score: 0 (Excellent: 5, Satisfactory: 5, Needs Improvement: 5)
How to find max number with a single-tape turing machine?
Net Score: 2 (Excellent: 5, Satisfactory: 7, Needs Improvement: 3)
Deciding if a Turing machine has made a left move
Net Score: 6 (Excellent: 7, ...