config.json

{
  "language": "C++",
  "slug": "cpp",
  "active": true,
  "status": {
    "concept_exercises": true,
    "test_runner": true,
    "representer": true,
    "analyzer": false
  },
  "blurb": "C++ is a general-purpose programming language that supports procedural, object-oriented, generic and functional programming styles. C++ is deployed on billions of devices from the smallest embedded microprocessor to the largest supercomputer.",
  "version": 3,
  "online_editor": {
    "indent_style": "space",
    "indent_size": 4,
    "highlightjs_language": "cpp"
  },
  "test_runner": {
    "average_run_time": 2
  },
  "files": {
    "solution": [
      "%{snake_slug}.cpp",
      "%{snake_slug}.h"
    ],
    "test": [
      "%{snake_slug}_test.cpp"
    ],
    "example": [
      ".meta/example.cpp",
      ".meta/example.h"
    ],
    "exemplar": [
      ".meta/exemplar.cpp",
      ".meta/exemplar.h"
    ]
  },
  "exercises": {
    "concept": [
      {
        "slug": "log-levels",
        "name": "Log Levels",
        "uuid": "62f945e7-0791-46b7-8161-855183f736ba",
        "concepts": [
          "strings",
          "includes"
        ],
        "prerequisites": [
          "basics",
          "namespaces"
        ]
      },
      {
        "slug": "lasagna",
        "name": "Lasagna",
        "uuid": "00ab71eb-4ebb-4360-8621-a394040c894a",
        "concepts": [
          "basics"
        ],
        "prerequisites": []
      },
      {
        "slug": "freelancer-rates",
        "name": "Freelancer Rates",
        "uuid": "88baa5ab-dacb-4fab-8f16-4f3ed726b27b",
        "concepts": [
          "numbers"
        ],
        "prerequisites": [
          "basics",
          "includes"
        ]
      },
      {
        "slug": "last-will",
        "name": "Last Will",
        "uuid": "d3946a64-a2a3-4dfc-8ab7-3ac1b6721b39",
        "concepts": [
          "namespaces"
        ],
        "prerequisites": [
          "basics"
        ]
      },
      {
        "slug": "pacman-rules",
        "name": "Pacman Rules",
        "uuid": "8da713a2-6d34-49f7-893b-23a4bb45d3a1",
        "concepts": [
          "booleans"
        ],
        "prerequisites": [
          "basics"
        ]
      },
      {
        "slug": "vehicle-purchase",
        "name": "Vehicle Purchase",
        "uuid": "e12f3678-202a-4d71-89d8-243ecc90b33a",
        "concepts": [
          "comparisons",
          "if-statements"
        ],
        "prerequisites": [
          "strings",
          "booleans",
          "numbers"
        ]
      },
      {
        "slug": "making-the-grade",
        "name": "Making the Grade",
        "uuid": "b9d0b273-1c48-492a-8c61-44f432c8beff",
        "concepts": [
          "vector-arrays"
        ],
        "prerequisites": [
          "loops",
          "strings",
          "if-statements",
          "booleans",
          "numbers"
        ]
      },
      {
        "slug": "interest-is-interesting",
        "name": "Interest is interesting",
        "uuid": "6be13d54-4d1e-448e-a65d-c5d3d8abbfe0",
        "concepts": [
          "loops"
        ],
        "prerequisites": [
          "comparisons",
          "if-statements"
        ]
      },
      {
        "slug": "ellens-alien-game",
        "name": "Ellen's Alien Game",
        "uuid": "cb6915ba-1539-4c4c-8313-38bfc69c4531",
        "concepts": [
          "classes"
        ],
        "prerequisites": [
          "comparisons",
          "if-statements"
        ]
      },
      {
        "slug": "election-day",
        "name": "Election Day",
        "uuid": "431b877a-cb73-41aa-b9e4-034d9179faf0",
        "concepts": [
          "references"
        ],
        "prerequisites": [
          "classes",
          "vector-arrays"
        ]
      },
      {
        "slug": "troll-the-trolls",
        "name": "Troll the Trolls",
        "uuid": "61c007d9-d856-4922-9098-e06a505363ed",
        "concepts": [
          "switch",
          "enums"
        ],
        "prerequisites": [
          "classes",
          "comparisons"
        ]
      },
      {
        "slug": "doctor-data",
        "name": "Doctor Data",
        "uuid": "2d2efdad-4f5d-4a1d-9626-381b37e72e3f",
        "concepts": [
          "headers"
        ],
        "prerequisites": [
          "classes",
          "enums"
        ]
      },
      {
        "slug": "lasagna-master",
        "name": "lasagna-master",
        "uuid": "fe7fc6b7-9707-4988-a4c6-3fddf6ce3389",
        "concepts": [
          "functions"
        ],
        "prerequisites": [
          "classes",
          "vector-arrays",
          "references",
          "headers"
        ]
      },
      {
        "slug": "power-of-troy",
        "name": "Power of Troy",
        "uuid": "9f5e64e5-2838-4237-9cc6-fef500aacd7b",
        "concepts": [
          "auto",
          "smart-pointers"
        ],
        "prerequisites": [
          "pointers"
        ]
      },
      {
        "slug": "speedywagon",
        "name": "Speedywagon Foundation",
        "uuid": "ed2148a5-674c-4660-a050-b11ab240b876",
        "concepts": [
          "pointers"
        ],
        "prerequisites": [
          "classes",
          "references"
        ]
      }
    ],
    "practice": [
      {
        "slug": "hello-world",
        "name": "Hello World",
        "uuid": "3eeadff6-82b6-43be-8834-d9ef258e454d",
        "practices": [],
        "prerequisites": [],
        "difficulty": 1,
        "topics": [
          "strings"
        ]
      },
      {
        "slug": "leap",
        "name": "Leap",
        "uuid": "76a840c7-24f1-455d-b62e-da42b13f8dd5",
        "practices": [
          "if-statements"
        ],
        "prerequisites": [
          "booleans"
        ],
        "difficulty": 1,
        "topics": [
          "conditionals",
          "logic"
        ]
      },
      {
        "slug": "reverse-string",
        "name": "Reverse String",
        "uuid": "c6946af0-3c2f-4f76-8b30-a1643cd5be63",
        "practices": [
          "loops"
        ],
        "prerequisites": [
          "strings"
        ],
        "difficulty": 2,
        "topics": [
          "strings"
        ]
      },
      {
        "slug": "space-age",
        "name": "Space Age",
        "uuid": "1763159f-3358-42d0-9ad0-2eb90baca600",
        "practices": [],
        "prerequisites": [],
        "difficulty": 1,
        "topics": [
          "functions"
        ]
      },
      {
        "slug": "triangle",
        "name": "Triangle",
        "uuid": "d23a2c36-7182-4fd0-84db-34b27fabda2e",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3,
        "topics": [
          "conditionals"
        ]
      },
      {
        "slug": "grains",
        "name": "Grains",
        "uuid": "c3dc3764-72b9-4926-9747-61db90553e2b",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2,
        "topics": [
          "bitwise_operations"
        ]
      },
      {
        "slug": "raindrops",
        "name": "Raindrops",
        "uuid": "9155f4ea-3566-4a57-a2c5-76535d931ccc",
        "practices": [
          "strings",
          "if-statements"
        ],
        "prerequisites": [],
        "difficulty": 2,
        "topics": [
          "strings"
        ]
      },
      {
        "slug": "pangram",
        "name": "Pangram",
        "uuid": "22ada9c4-a2b5-4a54-83d6-597dc3b90b89",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2,
        "topics": [
          "loops",
          "strings"
        ]
      },
      {
        "slug": "two-fer",
        "name": "Two Fer",
        "uuid": "95a162a4-d825-4874-9e2f-014787cbdfb5",
        "practices": [],
        "prerequisites": [],
        "difficulty": 1,
        "topics": [
          "optional_values",
          "strings",
          "text_formatting"
        ]
      },
      {
        "slug": "grade-school",
        "name": "Grade School",
        "uuid": "a15922b1-467f-4db4-a023-0bb262333551",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3,
        "topics": [
          "arrays",
          "parsing"
        ]
      },
      {
        "slug": "hamming",
        "name": "Hamming",
        "uuid": "a9716747-8cc6-4529-b5d2-dc24bd8641a8",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3,
        "topics": [
          "loops",
          "strings"
        ]
      },
      {
        "slug": "nucleotide-count",
        "name": "Nucleotide Count",
        "uuid": "949f5680-a7a5-4c1e-ac19-bb4bae658d5c",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3,
        "topics": [
          "parsing",
          "strings"
        ]
      },
      {
        "slug": "rna-transcription",
        "name": "RNA Transcription",
        "uuid": "2fbd008c-5007-4403-ae71-f4d1f5ccaf8f",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3,
        "topics": [
          "strings"
        ]
      },
      {
        "slug": "collatz-conjecture",
        "name": "Collatz Conjecture",
        "uuid": "c74f60b3-48fe-46c5-ae52-5e4b0787ba84",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2,
        "topics": [
          "functions",
          "math"
        ]
      },
      {
        "slug": "difference-of-squares",
        "name": "Difference of Squares",
        "uuid": "46cb230c-8ce9-431d-9dea-a195a3abd117",
        "practices": [
          "numbers"
        ],
        "prerequisites": [
          "loops"
        ],
        "difficulty": 3,
        "topics": [
          "loops",
          "math"
        ]
      },
      {
        "slug": "nth-prime",
        "name": "Nth Prime",
        "uuid": "675b0a5c-0587-4dc5-8004-1f82769a2ddd",
        "practices": [],
        "prerequisites": [],
        "difficulty": 5,
        "topics": [
          "math"
        ]
      },
      {
        "slug": "queen-attack",
        "name": "Queen Attack",
        "uuid": "0d5e4c9e-4351-41b1-9154-ee900ad0e60e",
        "practices": [],
        "prerequisites": [],
        "difficulty": 5,
        "topics": [
          "logic",
          "loops"
        ]
      },
      {
        "slug": "sieve",
        "name": "Sieve",
        "uuid": "7ea05dd1-2c3c-499e-8608-dc76d30c5457",
        "practices": [
          "vector-arrays"
        ],
        "prerequisites": [
          "loops"
        ],
        "difficulty": 5,
        "topics": [
          "loops",
          "math"
        ]
      },
      {
        "slug": "say",
        "name": "Say",
        "uuid": "090b2615-cd05-442b-be74-9f11bd5a83a5",
        "practices": [],
        "prerequisites": [],
        "difficulty": 10,
        "topics": [
          "logic",
          "strings",
          "text_formatting"
        ]
      },
      {
        "slug": "gigasecond",
        "name": "Gigasecond",
        "uuid": "4dbe1bb3-0419-4749-8c2a-ec91539a8640",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2,
        "topics": [
          "dates",
          "interfaces"
        ]
      },
      {
        "slug": "secret-handshake",
        "name": "Secret Handshake",
        "uuid": "c8ca89ef-b63d-40e5-9d57-bfa796e704ea",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2,
        "topics": [
          "arrays",
          "bitwise_operations"
        ]
      },
      {
        "slug": "allergies",
        "name": "Allergies",
        "uuid": "80ae6a8e-8464-4f3a-afed-14d424757413",
        "practices": [
          "classes"
        ],
        "prerequisites": [
          "strings"
        ],
        "difficulty": 3,
        "topics": [
          "bitwise_operations",
          "filtering"
        ]
      },
      {
        "slug": "protein-translation",
        "name": "Protein Translation",
        "uuid": "fb73e822-4831-4d33-a049-44a514bfa46a",
        "practices": [
          "strings"
        ],
        "prerequisites": [
          "vector-arrays"
        ],
        "difficulty": 3,
        "topics": [
          "filtering",
          "maps",
          "sequences"
        ]
      },
      {
        "slug": "sum-of-multiples",
        "name": "Sum of Multiples",
        "uuid": "a190ad11-db1c-4624-a477-e1d0c91d8b4f",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3,
        "topics": [
          "math"
        ]
      },
      {
        "slug": "prime-factors",
        "name": "Prime Factors",
        "uuid": "ba755932-b301-41cc-b7f2-5e6d2e130325",
        "practices": [
          "vector-arrays"
        ],
        "prerequisites": [
          "loops"
        ],
        "difficulty": 5,
        "topics": [
          "loops",
          "math"
        ]
      },
      {
        "slug": "robot-name",
        "name": "Robot Name",
        "uuid": "67c3cb10-b893-428a-82d0-79602aef2775",
        "practices": [],
        "prerequisites": [],
        "difficulty": 5,
        "topics": [
          "randomness",
          "strings"
        ]
      },
      {
        "slug": "clock",
        "name": "Clock",
        "uuid": "fab94f5a-d4da-4a18-a70a-b27c80b14851",
        "practices": [],
        "prerequisites": [],
        "difficulty": 5,
        "topics": [
          "classes",
          "time"
        ]
      },
      {
        "slug": "meetup",
        "name": "Meetup",
        "uuid": "e597f659-f31a-4a1b-a697-d91ede672642",
        "practices": [],
        "prerequisites": [],
        "difficulty": 5,
        "topics": [
          "functions",
          "interfaces"
        ]
      },
      {
        "slug": "beer-song",
        "name": "Beer Song",
        "uuid": "a384c32c-d8db-4877-816b-44de7c3ed324",
        "practices": [],
        "prerequisites": [],
        "difficulty": 7,
        "topics": [
          "strings",
          "text_formatting"
        ]
      },
      {
        "slug": "atbash-cipher",
        "name": "Atbash Cipher",
        "uuid": "15c741a0-944d-4b06-a096-6af63137347a",
        "practices": [
          "strings"
        ],
        "prerequisites": [
          "loops"
        ],
        "difficulty": 3,
        "topics": [
          "algorithms",
          "strings"
        ]
      },
      {
        "slug": "trinary",
        "name": "Trinary",
        "uuid": "c8246de0-29b1-4f92-8b00-b766e395ad66",
        "practices": [
          "numbers"
        ],
        "prerequisites": [
          "loops"
        ],
        "difficulty": 3,
        "topics": [
          "math",
          "strings"
        ]
      },
      {
        "slug": "binary-search",
        "name": "Binary Search",
        "uuid": "abdd7aa3-25f6-4d27-a4dc-6bd1ea2f718c",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4,
        "topics": [
          "arrays",
          "conditionals",
          "loops",
          "searching"
        ]
      },
      {
        "slug": "phone-number",
        "name": "Phone Number",
        "uuid": "76491cb2-25a8-4495-ba3e-85aace65319e",
        "practices": [],
        "prerequisites": [],
        "difficulty": 5,
        "topics": [
          "parsing",
          "strings"
        ]
      },
      {
        "slug": "series",
        "name": "Series",
        "uuid": "0ab70460-3a2f-4c37-bb78-716ba720fe34",
        "practices": [],
        "prerequisites": [],
        "difficulty": 5,
        "topics": [
          "arrays",
          "logic",
          "strings"
        ]
      },
      {
        "slug": "complex-numbers",
        "name": "Complex Numbers",
        "uuid": "ab52f0fa-b884-4af2-9271-19349bed4b2e",
        "practices": [],
        "prerequisites": [],
        "difficulty": 6,
        "topics": [
          "classes",
          "math",
          "operator_overloading"
        ]
      },
      {
        "slug": "food-chain",
        "name": "Food Chain",
        "uuid": "6805ef10-ab91-4d97-af80-9d326255497d",
        "practices": [],
        "prerequisites": [],
        "difficulty": 7,
        "topics": [
          "loops",
          "pattern_recognition",
          "strings"
        ]
      },
      {
        "slug": "roman-numerals",
        "name": "Roman Numerals",
        "uuid": "52dce31c-f8ab-44db-accd-573f4b82dcf9",
        "practices": [],
        "prerequisites": [],
        "difficulty": 7,
        "topics": [
          "strings"
        ]
      },
      {
        "slug": "bob",
        "name": "Bob",
        "uuid": "d80210b8-45e8-4e5c-8b07-9e87c33c5959",
        "practices": [
          "loops"
        ],
        "prerequisites": [
          "strings"
        ],
        "difficulty": 5,
        "topics": [
          "conditionals",
          "parsing",
          "strings"
        ]
      },
      {
        "slug": "word-count",
        "name": "Word Count",
        "uuid": "d531e2b1-28bc-4025-b3a7-119d314b5a80",
        "practices": [],
        "prerequisites": [],
        "difficulty": 5,
        "topics": [
          "arrays",
          "maps",
          "parsing",
          "strings"
        ]
      },
      {
        "slug": "circular-buffer",
        "name": "Circular Buffer",
        "uuid": "92788dbc-feb2-43a6-99c0-af21ce318b01",
        "practices": [],
        "prerequisites": [],
        "difficulty": 6,
        "topics": [
          "algorithms",
          "classes",
          "data_structures"
        ]
      },
      {
        "slug": "crypto-square",
        "name": "Crypto Square",
        "uuid": "177ecdf4-f249-4193-b9e1-8f1c6480bfad",
        "practices": [],
        "prerequisites": [],
        "difficulty": 7,
        "topics": [
          "filtering",
          "strings",
          "text_formatting"
        ]
      },
      {
        "slug": "etl",
        "name": "ETL",
        "uuid": "0dd45f6a-c6cd-4549-a56b-7babe0a71add",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3,
        "topics": [
          "arrays",
          "loops",
          "maps"
        ]
      },
      {
        "slug": "matching-brackets",
        "name": "Matching Brackets",
        "uuid": "4a517292-3472-40f2-b4b8-5c8c25219ea5",
        "practices": [
          "vector-arrays"
        ],
        "prerequisites": [
          "strings",
          "loops"
        ],
        "difficulty": 3,
        "topics": [
          "pattern_matching",
          "stacks"
        ]
      },
      {
        "slug": "anagram",
        "name": "Anagram",
        "uuid": "a34d1c83-fb96-4b7a-aeca-fdb17cf91a75",
        "practices": [],
        "prerequisites": [],
        "difficulty": 5,
        "topics": [
          "arrays",
          "filtering",
          "strings"
        ]
      },
      {
        "slug": "binary-search-tree",
        "name": "Binary Search Tree",
        "uuid": "3463598a-c622-4138-97d3-0c71cbe718c6",
        "practices": [],
        "prerequisites": [],
        "difficulty": 10,
        "topics": [
          "algorithms",
          "classes"
        ]
      },
      {
        "slug": "luhn",
        "name": "Luhn",
        "uuid": "885865bc-a197-436f-94bc-b1998d5cc081",
        "practices": [
          "numbers"
        ],
        "prerequisites": [
          "loops"
        ],
        "difficulty": 1,
        "topics": [
          "math",
          "strings"
        ]
      },
      {
        "slug": "acronym",
        "name": "Acronym",
        "uuid": "9d6f19f3-416e-4aeb-b426-7499853b21de",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3,
        "topics": [
          "regular_expressions",
          "strings"
        ]
      },
      {
        "slug": "armstrong-numbers",
        "name": "Armstrong Numbers",
        "uuid": "1035aa3f-030a-425b-84f1-1967f344d155",
        "practices": [
          "loops"
        ],
        "prerequisites": [
          "includes"
        ],
        "difficulty": 3,
        "topics": [
          "algorithms",
          "loops",
          "math"
        ]
      },
      {
        "slug": "binary",
        "name": "Binary",
        "uuid": "1cc6a583-3def-4d15-a45a-4b1fe16826bf",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3,
        "topics": [
          "math",
          "strings"
        ]
      },
      {
        "slug": "hexadecimal",
        "name": "Hexadecimal",
        "uuid": "c2e8e3fc-a39c-434b-87dd-9524636aa804",
        "practices": [
          "numbers"
        ],
        "prerequisites": [
          "loops"
        ],
        "difficulty": 3,
        "topics": [
          "math",
          "strings"
        ]
      },
      {
        "slug": "isogram",
        "name": "Isogram",
        "uuid": "fcd69b30-63e4-485d-a3b5-71f5039a9180",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3,
        "topics": [
          "conditionals",
          "loops",
          "strings"
        ]
      },
      {
        "slug": "pascals-triangle",
        "name": "Pascal's Triangle",
        "uuid": "7ed4434a-3564-4194-b91a-d3baeec9c519",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3,
        "topics": [
          "arrays",
          "math"
        ]
      },
      {
        "slug": "perfect-numbers",
        "name": "Perfect Numbers",
        "uuid": "b5ab8c58-607e-4850-98b4-ac45f4ba3466",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3,
        "topics": [
          "enums",
          "conditionals",
          "loops",
          "math"
        ]
      },
      {
        "slug": "scrabble-score",
        "name": "Scrabble Score",
        "uuid": "54a0753e-c161-4dfd-a7b0-02dc7a923d82",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3,
        "topics": [
          "maps",
          "strings"
        ]
      },
      {
        "slug": "all-your-base",
        "name": "All Your Base",
        "uuid": "5a839eb7-cc4b-48eb-bd04-57ba6e77eae8",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4,
        "topics": [
          "algorithms",
          "integers",
          "loops",
          "math"
        ]
      },
      {
        "slug": "robot-simulator",
        "name": "Robot Simulator",
        "uuid": "ed2e467d-621d-42de-afdd-f9b49efbc263",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4,
        "topics": [
          "classes",
          "conditionals",
          "loops",
          "pairs",
          "strings",
          "variables"
        ]
      },
      {
        "slug": "bank-account",
        "name": "Bank Account",
        "uuid": "56cbac7e-8bd8-4cd5-bfc5-0bc512e95de0",
        "practices": [],
        "prerequisites": [],
        "difficulty": 8,
        "topics": [
          "basics",
          "classes",
          "conditionals",
          "numbers",
          "threads"
        ]
      },
      {
        "slug": "darts",
        "name": "Darts",
        "uuid": "e8ad3859-9999-4a36-900d-d82fa6e74b08",
        "practices": [
          "if-statements"
        ],
        "prerequisites": [
          "numbers"
        ],
        "difficulty": 2,
        "topics": [
          "basics",
          "bools",
          "conditionals",
          "numbers"
        ]
      },
      {
        "slug": "largest-series-product",
        "name": "Largest Series Product",
        "uuid": "bf25f471-20d9-4f41-abf7-5d0dc5ad2d87",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4,
        "topics": [
          "bools",
          "conditionals",
          "lists",
          "loops",
          "numbers",
          "strings"
        ]
      },
      {
        "slug": "isbn-verifier",
        "name": "Isbn Verifier",
        "uuid": "5fcc6fd8-1dc7-4493-970a-731c7602b229",
        "practices": [],
        "prerequisites": [],
        "difficulty": 1,
        "topics": [
          "conditionals",
          "loops",
          "strings"
        ]
      },
      {
        "slug": "linked-list",
        "name": "Linked List ",
        "uuid": "6f6c55dd-db6b-40ca-96f2-d9b7232dcbb0",
        "practices": [],
        "prerequisites": [],
        "difficulty": 6,
        "topics": [
          "classes",
          "conditionals",
          "loops",
          "pointers"
        ]
      },
      {
        "slug": "simple-linked-list",
        "name": "Simple linked list",
        "uuid": "ffccabe9-9779-4914-9cff-c6f5696c8afe",
        "practices": [
          "pointers"
        ],
        "prerequisites": [],
        "difficulty": 4,
        "topics": [
          "classes",
          "conditionals",
          "loops",
          "pointers"
        ]
      },
      {
        "slug": "high-scores",
        "name": "High Scores",
        "uuid": "10448fb8-60eb-4c67-93e8-488ecbde8676",
        "practices": [
          "vector-arrays"
        ],
        "prerequisites": [
          "classes"
        ],
        "difficulty": 4
      },
      {
        "slug": "eliuds-eggs",
        "name": "Eliud's Eggs",
        "uuid": "cfe01bad-0972-466c-b52a-9b8cf563b2f4",
        "practices": [
          "loops"
        ],
        "prerequisites": [
          "if-statements",
          "comparisons"
        ],
        "difficulty": 3
      },
      {
        "slug": "diamond",
        "name": "Diamond",
        "uuid": "f8298f68-ef4e-41e1-99af-85a1bef71561",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3
      },
      {
        "slug": "run-length-encoding",
        "name": "Run-Length Encoding",
        "uuid": "916fedd1-a9ed-4200-b115-cc1d1bc44aba",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3
      },
      {
        "slug": "rotational-cipher",
        "name": "Rotational Cipher",
        "uuid": "21d02535-4ab6-455d-88e1-08ec3b578894",
        "practices": [
          "strings"
        ],
        "prerequisites": [
          "loops"
        ],
        "difficulty": 3
      },
      {
        "slug": "resistor-color",
        "name": "Resistor Color",
        "uuid": "15a9277e-59e2-484a-9877-64437556825c",
        "practices": [],
        "prerequisites": [],
        "difficulty": 2
      },
      {
        "slug": "resistor-color-duo",
        "name": "Resistor Color Duo",
        "uuid": "83ce95e9-f8af-4dbb-b96b-d94b12421d77",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3
      },
      {
        "slug": "minesweeper",
        "name": "Minesweeper",
        "uuid": "3753a72a-78b7-429f-b79a-f68d55a00387",
        "practices": [],
        "prerequisites": [],
        "difficulty": 5
      },
      {
        "slug": "sublist",
        "name": "Sublist",
        "uuid": "801cb315-91d6-48e6-92f4-36423a89d4e1",
        "practices": [],
        "prerequisites": [],
        "difficulty": 5
      },
      {
        "slug": "zebra-puzzle",
        "name": "Zebra Puzzle",
        "uuid": "2badf89b-efc4-46f1-af8d-b7d2440e61c0",
        "practices": [],
        "prerequisites": [],
        "difficulty": 7
      },
      {
        "slug": "list-ops",
        "name": "List Ops",
        "uuid": "9498d0bf-c411-4b3b-b0c7-a063aa7f0acc",
        "practices": [],
        "prerequisites": [],
        "difficulty": 5
      },
      {
        "slug": "knapsack",
        "name": "Knapsack",
        "uuid": "35705d66-fe72-4dee-8eb0-54823240f2d7",
        "practices": [],
        "prerequisites": [],
        "difficulty": 6
      },
      {
        "slug": "two-bucket",
        "name": "Two Bucket",
        "uuid": "83c92b7f-fb0e-43d8-ab7d-d514408b8575",
        "practices": [],
        "prerequisites": [],
        "difficulty": 7
      },
      {
        "slug": "yacht",
        "name": "Yacht",
        "uuid": "3abaa99e-14e5-434e-ae50-e9d549c5ae6e",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3
      },
      {
        "slug": "kindergarten-garden",
        "name": "Kindergarten Garden",
        "uuid": "5bc93b17-5209-4517-985e-f6fb3252afb3",
        "practices": [
          "enums"
        ],
        "prerequisites": [
          "vector-arrays"
        ],
        "difficulty": 3
      },
      {
        "slug": "dnd-character",
        "name": "D&D Character",
        "uuid": "83e20a67-990e-4db7-b16a-48b4f516f893",
        "practices": [],
        "prerequisites": [],
        "difficulty": 3
      },
      {
        "slug": "spiral-matrix",
        "name": "Spiral Matrix",
        "uuid": "d5569902-5815-4b05-ab13-13826fef7826",
        "practices": [],
        "prerequisites": [],
        "difficulty": 5
      },
      {
        "slug": "parallel-letter-frequency",
        "name": "Parallel Letter Frequency",
        "uuid": "0a029212-bc55-4559-b3c6-2c26bec0d560",
        "practices": [],
        "prerequisites": [],
        "difficulty": 6
      },
      {
        "slug": "pig-latin",
        "name": "Pig Latin",
        "uuid": "e4242a6e-3611-4f49-890b-368f1ebbdc94",
        "practices": [],
        "prerequisites": [],
        "difficulty": 4
      },
      {
        "slug": "rail-fence-cipher",
        "name": "Rail Fence Cipher",
        "uuid": "8a7f6f8c-ff36-4afd-9ab3-6dbd355d0263",
        "practices": [],
        "prerequisites": [
            "basics",
            "namespaces",
            "loops",
            "numbers",
            "strings"
        ],
        "difficulty": 4
      }
    ],
    "foregone": [
      "point-mutations"
    ]
  },
  "concepts": [
    {
      "uuid": "8d51e52a-95d3-45da-adb0-65bdfe96b875",
      "slug": "strings",
      "name": "Strings"
    },
    {
      "uuid": "de675a2c-6fd2-427d-93c1-4190eeffcd95",
      "slug": "numbers",
      "name": "Numbers"
    },
    {
      "uuid": "e52453a5-4997-4eba-b754-5bda7b97c701",
      "slug": "basics",
      "name": "Basics"
    },
    {
      "uuid": "257598c7-c09f-47be-90db-514f93758420",
      "slug": "includes",
      "name": "Includes"
    },
    {
      "uuid": "7b9bcf07-b447-4c18-b838-a7f4167ff521",
      "slug": "namespaces",
      "name": "Namespaces"
    },
    {
      "uuid": "d1edc955-7226-4f7d-9ce7-784e3f28a7c3",
      "slug": "if-statements",
      "name": "If Statements"
    },
    {
      "uuid": "1414040c-4f4f-45ab-b46b-03bc560e2511",
      "slug": "booleans",
      "name": "Booleans"
    },
    {
      "uuid": "bb5ee09c-db6b-41ef-ae17-f3c894c3b09a",
      "slug": "headers",
      "name": "Headers"
    },
    {
      "uuid": "6891847f-4fe2-48a1-9d27-bc079b0d975c",
      "slug": "comparisons",
      "name": "Comparisons"
    },
    {
      "uuid": "1f377a50-ebb2-4203-b4f5-ca90ccf5ad25",
      "slug": "vector-arrays",
      "name": "Arrays and Vectors"
    },
    {
      "uuid": "e356069a-09d4-417a-8688-8ab8ccb80a55",
      "slug": "loops",
      "name": "Loops"
    },
    {
      "uuid": "7a24381f-a7d3-4d3a-93e9-eb7cd19858b4",
      "slug": "switch",
      "name": "Switch Statements"
    },
    {
      "uuid": "fc00966e-dc25-46a6-8883-d6106c7d0774",
      "slug": "classes",
      "name": "Classes"
    },
    {
      "uuid": "f791086d-7bd1-41fb-9ba9-e7fe67128886",
      "slug": "references",
      "name": "References"
    },
    {
      "uuid": "2e4f454e-4a54-4999-9627-86840c88fc46",
      "slug": "enums",
      "name": "Enumerations"
    },
    {
      "uuid": "18b2f529-3be6-4a70-be7d-81aa07393585",
      "slug": "functions",
      "name": "Functions"
    },
    {
      "uuid": "c071a5e8-796c-4538-945a-3bdd2006fc2b",
      "slug": "pointers",
      "name": "Pointers"
    },
    {
      "uuid": "0316eb64-d1e9-44cc-b7d4-ea4b88f85ac3",
      "slug": "smart-pointers",
      "name": "Smart Pointers"
    },
    {
      "uuid": "da0a69e5-33ec-4458-8c70-80457715ada6",
      "slug": "auto",
      "name": "Auto"
    },
    {
      "uuid": "5de475cc-5321-476f-bd19-a82b60284f5a",
      "slug": "literals",
      "name": "Literals"
    }
  ],
  "key_features": [
    {
      "title": "Fast execution speed",
      "content": "With execution speed in mind, C++ is used in a wide range of computation-intensive domains.",
      "icon": "fast"
    },
    {
      "title": "Multi-paradigm",
      "content": "C++ supports a variety of programming paradigms like OOP, functional and procedural programming.",
      "icon": "multi-paradigm"
    },
    {
      "title": "High-level programming",
      "content": "C++ standardizes a comprehensive library, enabling the developer to concentrate on the problem.",
      "icon": "powerful"
    },
    {
      "title": "Low-level programming",
      "content": "C++ masters the strength of its predecessor C and gives the developer access to the bits and bytes.",
      "icon": "homoiconic"
    },
    {
      "title": "Popular",
      "content": "Thanks to the flexibility and portability, you can find applications written in C++ in every scale.",
      "icon": "widely-used"
    },
    {
      "title": "Ever-evolving",
      "content": "Although mature, C++ is still evolving and developed by a committee to fit the developers needs.",
      "icon": "evolving"
    }
  ],
  "tags": [
    "execution_mode/compiled",
    "paradigm/object_oriented",
    "platform/android",
    "platform/ios",
    "platform/linux",
    "platform/mac",
    "platform/windows",
    "runtime/standalone_executable",
    "typing/static",
    "typing/strong",
    "used_for/backends",
    "used_for/cross_platform_development",
    "used_for/embedded_systems",
    "used_for/financial_systems",
    "used_for/games",
    "used_for/guis",
    "used_for/mobile",
    "used_for/robotics",
    "used_for/scientific_calculations"
  ]
}