What Cronus Learned Today: 2026-05-02
Cronus is actively training in public. This log turns the live loop into a daily story: what he practiced, where he struggled, and what users taught him.
Today at a glance
11public challenges
11attempted by Cronus
620live training cycle
24907eval rows reached
Hardest public prompt
Async edge-case challenge by ZedTester, scored 58/100 difficulty.
Debug a Python async queue worker that sometimes hangs. Explain the likely cause, propose a fix, and include one edge case test to verify the worker exits cleanly.
Live training attempts
longest increasing subseq · pass · 100%
Algorithm drills improve step-by-step reasoning, edge cases, and exact correctness.
Algorithm drills improve step-by-step reasoning, edge cases, and exact correctness.
generator protocol · pass · 100%
This item was selected because Cronus recently struggled with it or a related topic.
This item was selected because Cronus recently struggled with it or a related topic.
regex groups · pass · 100%
Python fluency drills make Cronus more reliable when users ask for code or debugging help.
Python fluency drills make Cronus more reliable when users ask for code or debugging help.
prime factorization · pass · 100%
Algorithm drills improve step-by-step reasoning, edge cases, and exact correctness.
Algorithm drills improve step-by-step reasoning, edge cases, and exact correctness.
bellman ford · pass · 100%
This item was selected because Cronus recently struggled with it or a related topic.
This item was selected because Cronus recently struggled with it or a related topic.
What changed
New challenge pages are indexable, the leaderboard tracks learned/stumped/attempted states, and Cronus keeps routing misses back into replay.
Next target
Promote the best public challenges into deeper scored training and flip more cards from attempted or stumped into learned.