{"id":"excel-column-horner-method","text":"`title_to_number` evaluates the column string as a base-26 polynomial using Horner's method: process left-to-right, accumulating `result * 26 + digit_value` per character in a single O(n) pass.","truth_value":"IN","source":"entries/2026/06/06/excel-sheet-column-number-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"excel-column-horner-method","truth_value":"IN","reason":"premise"}]}}