Focus on Correctness (2024 NG)

Problem Overview

• Core: From an array of digits, choose up to three in order to form the largest number.
• Input/Output: Input is a list of digits 0–9; output is the maximum possible number; selection must preserve original order; choose at most 3 digits.
• Context: Array manipulation and number construction in practical data processing scenarios.
• Source: Google interviews coding interview problem; common interview question; custom test cases may be required.