{
  "id": "adjacency-list",
  "name": "Adjacency List",
  "category": "Graph",
  "access_big_o": null,
  "search_big_o": "O(V + E)",
  "insert_big_o": "O(1)",
  "description": "A graph representation storing, for each vertex, a list of its adjacent vertices; space-efficient for sparse graphs.",
  "url": "https://gratisapi.com/api/data-structures/adjacency-list"
}