{
  "schema": 1,
  "scope": [
    "以下流程与样例由本站设计；样例均为虚构教学输入，参考文件不是产品运行记录。",
    "Workflows and samples are designed for this site. Inputs are fictional teaching material; references are not product execution records."
  ],
  "fictional": true,
  "contract": "add(a,b) returns the sum of two finite numbers",
  "cases": [
    {
      "a": 2,
      "b": 3,
      "expected": 5
    },
    {
      "a": -2,
      "b": 1,
      "expected": -1
    },
    {
      "a": 4,
      "b": 0,
      "expected": 4
    }
  ]
}