Pregunta de entrevista de IBM
Given an array, return all unique pairs that sum to a target.
Respuesta de la entrevista
Anónimo
17 nov 2025
1. Use a Set to track numbers we've seen. 2. For each number, compute its complement (target - number). 3. If complement exists, we have a valid pair. 4. Sort and stringify pairs to ensure uniqueness. 5. Return all unique pairs.