{
  "slug": "scala",
  "language": "Scala",
  "repository": "https://github.com/exercism/xscala",
  "active": true,
  "exercises": [
    {
      "slug": "hello-world",
      "difficulty": 1,
      "topics": [
         "Strings"
      ]
		},
    {
      "slug": "bob",
      "difficulty": 1,
      "topics": [
        "Strings",
        "Control-flow (if-else statements)",
        "Pattern matching"
      ]
		},
    {
      "slug": "sum-of-multiples",
      "difficulty": 1,
      "topics": [
	    "Filtering",
            "Sets"
      ]
		},
    {
      "slug": "run-length-encoding",
      "difficulty": 1,
      "topics": [
	    "Algorithms",
	    "Transforming",
            "Strings"
      ]
		},
    {
      "slug": "hamming",
      "difficulty": 2,
      "topics": [
        "Strings",
        "Filtering",
        "Optional values"
      ]
		},
    {
      "slug": "word-count",
      "difficulty": 1,
      "topics": [
         "Maps",
         "Strings",
         "Transforming" 
     ]
		},
    {
      "slug": "pangram",
      "difficulty": 1,
      "topics": [
         "Strings"
      ]
		},
    {
      "slug": "anagram",
      "difficulty": 1,
      "topics": [
        "Sequences",
        "Strings",
        "Filtering"
      ]
		},
    {
      "slug": "nucleotide-count",
      "difficulty": 1,
      "topics": [
         "Maps",
         "Strings"
      ]
		},
    {
      "slug": "phone-number",
      "difficulty": 1,
      "topics": [
        "Optional values",
        "Strings",
        "Parsing",
        "Transforming"     
      ]
		},
    {
      "slug": "grade-school",
      "difficulty": 1,
      "topics": [
         "Maps", 
         "Sequences",
         "Sorting"
      ]
		},
    {
      "slug": "robot-name",
      "difficulty": 1,
      "topics": [
         "Strings",
         "Randomness" 
      ]
		},
    {
      "slug": "leap",
      "difficulty": 1,
      "topics": [
         "Integers",
         "Mathematics"
      ]
		},
    {
      "slug": "etl",
      "difficulty": 1,
      "topics": [
         "Lists",
         "Maps",
         "Sequences",
         "Strings",
         "Transforming"
      ]
		},
    {
      "slug": "meetup",
      "difficulty": 1,
      "topics": [
         "Dates" 
      ]
		},
    {
      "slug": "space-age",
      "difficulty": 1,
      "topics": [
        "Dates",
        "Enumerations",
        "Domain-specific languages"
      ]
		},
    {
      "slug": "grains",
      "difficulty": 1,
      "topics": [
         "Optional values",
         "Mathematics"
      ]
		},
    {
      "slug": "gigasecond",
      "difficulty": 1,
      "topics": [
        "Dates",
        "Time",
        "Function Overloading"
      ]
		},
    {
      "slug": "scrabble-score",
      "difficulty": 1,
      "topics": [
         "Strings",
         "Transforming"
      ]
		},
    {
      "slug": "difference-of-squares",
      "difficulty": 1,
      "topics": [
         "Integers",
         "Mathematics"
      ]
		},
    {
      "slug": "accumulate",
      "difficulty": 1,
      "topics": [
         "Generics",
         "Lists",
         "Transforming"
      ]
		},
    {
      "slug": "sublist",
      "difficulty": 1,
      "topics": [
         "Generics",
         "Enumerations",
         "Lists"
      ]
		},
    {
      "slug": "rna-transcription",
      "difficulty": 1,
      "topics": [
         "Optional values",
         "Strings",
         "Transforming"
      ]
		},
    {
      "slug": "triangle",
      "difficulty": 1,
      "topics": [
         "Enumerations",
         "Mathematics"
      ]
		},
    {
      "slug": "roman-numerals",
      "difficulty": 1,
      "topics": [
        "Sequences",
        "Algorithms",
        "Transforming"
      ]
		},
    {
      "slug": "prime-factors",
      "difficulty": 1,
      "topics": [
         "Lists",
         "Integers",
         "Algorithms",
         "Mathematics"
      ]
		},
    {
      "slug": "raindrops",
      "difficulty": 1,
      "topics": [
         "Strings",
         "Logic",
         "Transforming"
      ]
		},
    {
      "slug": "allergies",
      "difficulty": 1,
      "topics": [
         "Lists",
         "Enumerations",
         "Filtering"
      ]
		},
    {
      "slug": "atbash-cipher",
      "difficulty": 1,
      "topics": [
         "Strings",
         "Transforming",
         "Security"
      ]
		},
    {
      "slug": "all-your-base",
      "difficulty": 1,
      "topics": [
         "Integers",
         "Lists",
         "Optional values",
         "Mathematics",
         "Transforming"
      ]
		},
    {
      "slug": "bank-account",
      "difficulty": 1,
      "topics": [
         "Parallellism" 
      ]
		},
    {
      "slug": "crypto-square",
      "difficulty": 1,
      "topics": [
         "Strings",
         "Lists",
         "Security",
         "Transforming"
      ]
		},
    {
      "slug": "kindergarten-garden",
      "difficulty": 1,
      "topics": [
         "Enumerations",
         "Transforming",
         "Lists"
      ]
		},
    {
      "slug": "robot-simulator",
      "difficulty": 1,
      "topics": [
         "Enumerations",
         "Tuples"
       ]
		},
    {
      "slug": "bracket-push",
      "difficulty": 1,
      "topics": [
         "Strings",
         "Parsing"
      ]
		},
    {
      "slug": "queen-attack",
      "difficulty": 1,
      "topics": [
         "Strings",
         "Optional values",
         "Logic",
         "Games"
      ]
		},
    {
      "slug": "binary-search-tree",
      "difficulty": 1,
      "topics": [
         "Searching",
         "Lists",
         "Trees",
         "Generics"
      ]
		},
    {
      "slug": "largest-series-product",
      "difficulty": 1,
      "topics": [
         "Strings",
         "Integers",
         "Optional values",
         "Transforming",
         "Mathematics"
      ]
		},
    {
      "slug": "luhn",
      "difficulty": 1,
      "topics": [
         "Strings",
         "Algorithms",
         "Transforming"
      ]
		},
    {
      "slug": "clock",
      "difficulty": 1,
      "topics": [
        "Time",
        "Structural equality"
      ]
		},
    {
      "slug": "matrix",
      "difficulty": 1,
      "topics": [
        "Strings",
        "Matrices",
        "Parsing",
        "Vectors"   
      ]
		},
    {
      "slug": "house",
      "difficulty": 1,
      "topics": [
         "Strings",
         "Text formatting",
         "Algorithms"
      ]
		},
    {
      "slug": "zebra-puzzle",
      "difficulty": 1,
      "topics": [
         "Logic"
      ]
		},
    {
      "slug": "minesweeper",
      "difficulty": 1,
      "topics": [
         "Lists",
         "Strings",
         "Parsing",
         "Transforming"
      ]
		},
    {
      "slug": "ocr-numbers",
      "difficulty": 1,
      "topics": [
        "Lists",
        "Strings",
        "Parsing",
        "Pattern recognition",
        "Transforming"
      ]
		},
    {
      "slug": "wordy",
      "difficulty": 1,
      "topics": [
        "Mathematics",
        "Optional values",
        "Parsing",
        "Strings",
        "Transforming"
      ]
		},
    {
      "slug": "food-chain",
      "difficulty": 1,
      "topics": [
         "Text formatting",
         "Algorithms"
      ]
		},
    {
      "slug": "linked-list",
      "difficulty": 1,
      "topics": [
         "Lists",
         "Generics",
         "Optional values"
      ]
		},
    {
      "slug": "custom-set",
      "difficulty": 1,
      "topics": [
         "Sets",
         "Lists",
         "Generics"
      ]
		},
    {
      "slug": "nth-prime",
      "difficulty": 1,
      "topics": [
         "Optional values",
         "Algorithms",
         "Mathematics"
      ]
		},
    {
      "slug": "palindrome-products",
      "difficulty": 1,
      "topics": [
        "Sets",
        "Strings",
        "Tuples",
        "Algorithms"
      ]
		},
    {
      "slug": "pascals-triangle",
      "difficulty": 1,
      "topics": [
        "Control-flow (loops)",
        "Lists",
				"Mathematics"
      ]
		},
    {
      "slug": "pig-latin",
      "difficulty": 1,
      "topics": [
        "Strings",
        "Transforming"
      ]
		},
    {
      "slug": "pythagorean-triplet",
      "difficulty": 1,
      "topics": [
        "Integers",
        "Mathematics",
        "Sequences",
        "Tuples"
      ]
		},
    {
      "slug": "saddle-points",
      "difficulty": 1,
      "topics": [
        "Matrices",
        "Lists",
        "Sets",
        "Tuples"
      ]
		},
    {
      "slug": "say",
      "difficulty": 1,
      "topics": [
        "Strings",
        "Transforming",
        "Text formatting",
        "Optional values"
      ]
		},
    {
      "slug": "alphametics",
      "difficulty": 1,
      "topics": [
         "Maps",
         "Optional values",
         "Strings",
         "Parsing"
      ]
		},
    {
      "slug": "secret-handshake",
      "difficulty": 1,
      "topics": [
         "Lists",
         "Strings",
         "Bitwise operations"
      ]
		},
    {
      "slug": "series",
      "difficulty": 1,
      "topics": [
        "Strings",
        "Sequences",
        "Transforming"
      ]
		},
    {
      "slug": "sieve",
      "difficulty": 1,
      "topics": [
        "Filtering",
        "Mathematics",
        "Lists"
      ]
		},
    {
      "slug": "simple-cipher",
      "difficulty": 1,
      "topics": [
        "Optional values",
        "Strings",
        "Algorithms",
        "Transforming"
      ]
		},
    {
      "slug": "change",
      "difficulty": 1,
      "topics": [
         "Integers",
         "Lists",
         "Optional values",
         "Mathematics"
      ]
		},
    {
      "slug": "connect",
      "difficulty": 1,
      "topics": [
        "Recursion",
        "Graphs",
        "Optional values",
        "Algorithms",
        "Games",
        "Searching"
      ]
		},
    {
      "slug": "dominoes",
      "difficulty": 1,
      "topics": [
         "Lists",
         "Optional values",
         "Tuples",
         "Games"
      ]
		},
    {
      "slug": "parallel-letter-frequency",
      "difficulty": 1,
      "topics": [
        "Maps",
        "Sequences",
        "Strings",
        "Parallellism",
        "Transforming",
        "Dictionaries"
      ]
		},
    {
      "slug": "sgf-parsing",
      "difficulty": 1,
      "topics": [
        "Parsing",
        "Transforming"
      ]
		},
    {
      "slug": "acronym",
      "difficulty": 1,
      "topics": [
        "Strings",
        "Transforming"
      ]
		},
    {
      "slug": "zipper",
      "difficulty": 1,
      "topics": [
         "Generics",
         "Optional values",
         "Trees"
      ]
		},
    {
      "slug": "forth",
      "difficulty": 1,
      "topics": [
         "Strings",
         "Mathematics",
         "Parsing"
       ]
		},
    {
      "slug": "lens-person",
      "difficulty": 1,
      "topics": [
      ]
		},
    {
      "slug": "bowling",
      "difficulty": 6,
      "topics": [
        "Algorithms",
        "Control-flow (if-else statements)",
        "Lists"
      ]
    }
	],
  "deprecated": [
    "binary",
    "hexadecimal",
    "octal",
    "trinary"
  ],
  "ignored": [
    "docs",
    "img",
    "project",
    "target",
    "testgen"
  ],
  "foregone": [

  ]
}