{"id":"palindrome-perm-linear-time","text":"The solution runs in O(n) time and O(k) space where k is the alphabet size, dominated by `Counter` construction","truth_value":"IN","source":"entries/2026/06/06/palindrome-permutation-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"palindrome-perm-linear-time","truth_value":"IN","reason":"premise"}]}}