{"id":"palindrome-num-trailing-zero-early-exit","text":"Non-zero integers ending in 0 are rejected in O(1) before the reversal loop — a palindrome with trailing zeros would require leading zeros, which is impossible","truth_value":"IN","source":"entries/2026/06/06/palindrome-number-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"palindrome-num-trailing-zero-early-exit","truth_value":"IN","reason":"premise"}]}}