My answers to the problem sets for Aizu, AdventofCode, CodeChef, Codeforces, CSES, Deep-ML, DMOJ, EOlymp, HackerRank, Kattis, KiloNova, Leetcode, LibreOJ, Perl Weekly ...

Google will deprecate practice problem structured data in January and clarifies Dataset markup is only for Dataset Search. Book actions remain supported. Practice problem markup is being deprecated ...

It's a well-known fact that quantum calculations are difficult, but one would think that quantum computers would facilitate the process. In most cases, this is true. Quantum bits, or qubits, use ...

The New York State Education Department is pushing new math guidelines, including a recommendation that teachers stop giving timed quizzes — because it stresses students out. The new guidelines also ...

You probably don’t need more time. By Jancee Dunn When I look back on all the major decisions I’ve dithered over, I could scream. It took me a decade to commit to becoming a parent. I wavered for a ...

We’d all like to be innovative, but few people have creativity switches they can turn on at will. (I definitely don’t.) We’re a lot better at convergent thinking, using knowledge and experience to ...

Getting good at SQL for interviews can feel like a puzzle. You know the basics, but putting them together in a way that impresses people is another thing entirely. Luckily, there are great tools out ...

The Detroit Lions signed veteran quarterback C.J. Beathard to their practice squad. Beathard fits coach Dan Campbell's desire for an experienced third quarterback who can "run the show." The ...

We are moving from a world of institutional dependency to one of personal responsibility. The question is no longer, “What can we do for people?” but, “How can we equip people to do more for ...

WASHINGTON, D.C. — When Nancy Barnes first heard President Trump wanted to take over D.C.'s police and deploy the National Guard, she hated the idea. "I thought that was absurd ... because obviously ...