{"id":"excel-column-title-lsb-first-then-reverse","text":"`convert_to_title` builds the output string least-significant-digit-first (appending to a list), then reverses at the end — this avoids O(n²) cost from repeated string prepend.","truth_value":"IN","source":"entries/2026/06/06/excel-sheet-column-title-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"excel-column-title-lsb-first-then-reverse","truth_value":"IN","reason":"premise"}]}}