{
  "slug": "objective-c",
  "language": "Objective-C",
  "repository": "https://github.com/exercism/objective-c",
  "active": true,
  "exercises": [
    {
      "difficulty": 1,
      "slug": "hello-world",
      "topics": [
        "Text formatting",
        "Optional values"
      ]
    },
    {
      "difficulty": 1,
      "slug": "bob",
      "topics": [
        "Strings",
        "Control-flow (if-else statements)"
      ]
    },
    {
      "difficulty": 1,
      "slug": "leap",
      "topics": [
        "Integers"
      ]
    },
    {
      "difficulty": 1,
      "slug": "gigasecond",
      "topics": [
        "Dates"
      ]
    },
    {
      "difficulty": 1,
      "slug": "difference-of-squares",
      "topics": [
        "Integers"
      ]
    },
    {
      "difficulty": 1,
      "slug": "sum-of-multiples",
      "topics": [
        "Lists",
        "Transforming"
      ]
    },
    {
      "difficulty": 1,
      "slug": "space-age",
      "topics": [
        "Discriminated unions",
        "Floating-point numbers"
      ]
    },
    {
      "difficulty": 2,
      "slug": "hamming",
      "topics": [
        "Strings",
        "Filtering"
      ]
    },
    {
      "difficulty": 2,
      "slug": "nucleotide-count",
      "topics": [
        "Maps",
        "Strings"
      ]
    },
    {
      "difficulty": 2,
      "slug": "raindrops",
      "topics": [
        "Text formatting",
        "Filtering"
      ]
    },
    {
      "difficulty": 2,
      "slug": "grade-school",
      "topics": [
        "Maps",
        "Sorting"
      ]
    },
    {
      "difficulty": 2,
      "slug": "etl",
      "topics": [
        "Maps",
        "Transforming"
      ]
    },
    {
      "difficulty": 2,
      "slug": "isogram",
      "topics": [
        "Strings",
        "Filtering"
      ]
    },
    {
      "difficulty": 2,
      "slug": "flatten-array",
      "topics": [
        "Searching",
        "Looping",
        "Lists"
      ]
    },
    {
      "difficulty": 3,
      "slug": "sublist",
      "topics": [
        "Looping",
        "Lists"
      ]
    },
    {
      "difficulty": 3,
      "slug": "clock",
      "topics": [
        "Time",
        "Structural equality"
      ]
    },
    {
      "difficulty": 3,
      "slug": "triangle",
      "topics": [
        "Integers",
        "Discriminated unions"
      ]
    },
    {
      "difficulty": 3,
      "slug": "robot-name",
      "topics": [
        "Randomness",
        "Strings"
      ]
    },
    {
      "difficulty": 3,
      "slug": "scrabble-score",
      "topics": [
        "Transforming"
      ]
    },
    {
      "difficulty": 3,
      "slug": "phone-number",
      "topics": [
        "Parsing",
        "Transforming"
      ]
    },
    {
      "difficulty": 3,
      "slug": "perfect-numbers",
      "topics": [
        "Integers",
        "Discriminated unions"
      ]
    },
    {
      "difficulty": 3,
      "slug": "secret-handshake",
      "topics": [
        "Bitwise operations",
        "Lists"
      ]
    },
    {
      "difficulty": 3,
      "slug": "atbash-cipher",
      "topics": [
        "Strings",
        "Maps",
        "Transforming"
      ]
    },
    {
      "difficulty": 3,
      "slug": "sieve",
      "topics": [
        "Filtering",
        "Mathematics"
      ]
    },
    {
      "difficulty": 4,
      "slug": "beer-song",
      "topics": [
        "Looping",
        "Conditionals",
        "Strings"
      ]
    },
    {
      "difficulty": 4,
      "slug": "word-count",
      "topics": [
        "Strings",
        "Maps",
        "Transforming"
      ]
    },
    {
      "difficulty": 4,
      "slug": "allergies",
      "topics": [
        "Enumerations",
        "Bitwise operations",
        "Filtering"
      ]
    },
    {
      "difficulty": 4,
      "slug": "meetup",
      "topics": [
        "Dates"
      ]
    },
    {
      "difficulty": 4,
      "slug": "anagram",
      "topics": [
        "Strings",
        "Filtering"
      ]
    },
    {
      "difficulty": 4,
      "slug": "acronym",
      "topics": [
        "Strings",
        "Transforming"
      ]
    },
    {
      "difficulty": 4,
      "slug": "all-your-base",
      "topics": [
        "Integers",
        "Transforming"
      ]
    },
    {
      "difficulty": 4,
      "slug": "largest-series-product",
      "topics": [
        "Strings",
        "Integers",
        "Transforming"
      ]
    },
    {
      "difficulty": 4,
      "slug": "pangram",
      "topics": [
        "Strings",
        "Searching",
        "Transforming"
      ]
    },
    {
      "difficulty": 4,
      "slug": "transpose",
      "topics": [
        "Strings",
        "Transforming"
      ]
    },
    {
      "difficulty": 4,
      "slug": "binary-search",
      "topics": [
        "Integers",
        "Recursion",
        "Searching"
      ]
    },
    {
      "difficulty": 4,
      "slug": "crypto-square",
      "topics": [
        "Looping",
        "Transforming",
        "Strings"
      ]
    },
    {
      "difficulty": 4,
      "slug": "pascals-triangle",
      "topics": [
        "Recursion",
        "Lists",
        "Mathematics"
      ]
    },
    {
      "difficulty": 5,
      "slug": "bracket-push",
      "topics": [
        "Strings",
        "Conditionals",
        "Looping"
      ]
    },
    {
      "difficulty": 5,
      "slug": "roman-numerals",
      "topics": [
        "Recursion",
        "Transforming"
      ]
    },
    {
      "difficulty": 5,
      "slug": "run-length-encoding",
      "topics": [
        "Algorithms",
        "Transforming"
      ]
    },
    {
      "difficulty": 5,
      "slug": "luhn",
      "topics": [
        "Strings",
        "Algorithms",
        "Transforming"
      ]
    },
    {
      "difficulty": 8,
      "slug": "rna-transcription",
      "topics": [
        "Strings",
        "Conditionals",
        "Maps",
        "RegularExpressions",
        "Transforming"
      ]
    }
  ],
  "deprecated": [

  ],
  "foregone": [

  ]
}