Tanuj Sharma·Apr 21Count Derangements Problem: From Intuition to O(1) SpaceProblem: Given a number n, find the total number of Derangements of elements from 1 to n.
Pascal Bercker·Mar 19A DERANGEMENT OF GIFTSI found this interesting probability question very nicely discussed on Science-Spectrum, from a Medium.com writer.
Rashmee Roshan Lall·Oct 31, 2025Ian McEwan’s best novel in years, until it wasn’tIt’s hard to disagree with the Financial Times (and, in fact, almost every outlet), What we Can Know is “Ian McEwan’s most entertaining…
Rashmee Roshan Lall·Oct 23, 2025Stiff upper lip still in Ian McEwan’s elegy to the 21st centuryIan McEwan’s newest novel, his 18th, is not traditional dystopian fiction so much as an elegy.
Charles Hugh Smith·Oct 18, 2024Isn’t It Obvious?Isn’t it obvious? Of course it is. So what’s obvious? That there are sharply different views on what’s obvious.
Serhan Balcı·Dec 19, 2023Recursive Functions in RubyA simple and basic example of a recursive function as a counter from 5 to 0
Pascal Bercker·Mar 4, 2023How Many Coincidences Are Expected?This is another probability problem from Ruma Falk (note the similarity to a previous problem, The Forgetful Teacher).