{
  "title": "Two Sum",
  "category": "Arrays",
  "slug": "two-sum",
  "officialUrl": "https://leetcode.com/problems/two-sum/",
  "difficulty": "Easy",
  "tags": ["array", "hash map", "complement lookup"],
  "status": "solved",
  "order": 1,
  "summary": "Find the two indices in an unsorted array whose values add up to the target."
}