{"id":"rightmost-odd-digit-determines-answer","text":"In `largest-odd-number-in-string/solution.py`, the largest odd substring is always the prefix `num[:k+1]` where `k` is the rightmost odd digit's index — this holds because no-leading-zeros guarantees longer prefixes are numerically larger","truth_value":"IN","source":"entries/2026/06/06/largest-odd-number-in-string-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"rightmost-odd-digit-determines-answer","truth_value":"IN","reason":"premise"}]}}