{
  "#": [
    "The inputs are represented as arrays of strings to improve readability in this JSON file.",
    "Your track may choose whether to present the input as a single string (concatenating all the lines) or as the list."
  ],
  "cases": [
    {
      "description": "no rows",
      "input": [],
      "expected": 0
    },
    {
      "description": "no columns",
      "input": [""],
      "expected": 0
    },
    {
      "description": "no rectangles",
      "input": [" "],
      "expected": 0
    },
    {
      "description": "one rectangle",
      "input": [
        "+-+",
        "| |",
        "+-+"
      ],
      "expected": 1
    },
    {
      "description": "two rectangles without shared parts",
      "input": [
        "  +-+",
        "  | |",
        "+-+-+",
        "| |  ",
        "+-+  "
      ],
      "expected": 2
    },
    {
      "description": "five rectangles with shared parts",
      "input": [
        "  +-+",
        "  | |",
        "+-+-+",
        "| | |",
        "+-+-+"
      ],
      "expected": 5
    },
    {
      "description": "only complete rectangles are counted",
      "input": [
        "  +-+",
        "    |",
        "+-+-+",
        "| | -",
        "+-+-+"
      ],
      "expected": 1
    },
    {
      "description": "rectangles can be of different sizes",
      "input": [
        "+------+----+",
        "|      |    |",
        "+---+--+    |",
        "|   |       |",
        "+---+-------+"
      ],
      "expected": 3
    },
    {
      "description": "corner is required for a rectangle to be complete",
      "input": [
        "+------+----+",
        "|      |    |",
        "+------+    |",
        "|   |       |",
        "+---+-------+"
      ],
      "expected": 2
    },
    {
      "description": "large input with many rectangles",
      "input": [
        "+---+--+----+",
        "|   +--+----+",
        "+---+--+    |",
        "|   +--+----+",
        "+---+--+--+-+",
        "+---+--+--+-+",
        "+------+  | |",
        "          +-+"
      ],
      "expected": 60
    }
  ]
}