{
  "title": "3Sum",
  "category": "Two Pointers",
  "slug": "3sum",
  "officialUrl": "https://leetcode.com/problems/3sum/",
  "difficulty": "Medium",
  "tags": ["two pointers", "sorting", "duplicate handling"],
  "status": "solved",
  "order": 1,
  "summary": "Return every distinct triplet whose values sum to zero without duplicating answers."
}