Disallow a difficulty level of 0

[ee7]

Edit: updated this PR to disallow difficulty 0 instead.

---

See below for the list of exercises with a difficulty level of 0. It looks like there is only one (hello-world on the red track) that is not deprecated.

Click to expand

csharp/config.json
1752-        "slug": "binary",
1753-        "name": "Binary",
1754-        "uuid": "cef7deef-54ce-4201-b263-7cd2098533f8",
1755-        "practices": [],
1756-        "prerequisites": [],
1757:        "difficulty": 0,
1758-        "status": "deprecated"
1759-      },
1760-      {
1761-        "slug": "hexadecimal",
1762-        "name": "Hexadecimal",
1763-        "uuid": "5d30c5a0-0f69-4b79-8c7e-3b1fe6a5707f",
1764-        "practices": [],
1765-        "prerequisites": [],
1766:        "difficulty": 0,
1767-        "status": "deprecated"
1768-      },
1769-      {
1770-        "slug": "octal",
1771-        "name": "Octal",
1772-        "uuid": "c8555f37-9976-4f52-a5db-6a680ec8d53b",
1773-        "practices": [],
1774-        "prerequisites": [],
1775:        "difficulty": 0,
1776-        "status": "deprecated"
1777-      },
1778-      {
1779-        "slug": "trinary",
1780-        "name": "Trinary",
1781-        "uuid": "c7dd8467-87e2-4997-a96e-a04cb8b891e8",
1782-        "practices": [],
1783-        "prerequisites": [],
1784:        "difficulty": 0,
1785-        "status": "deprecated"
1786-      },

fsharp/config.json
1422-        "slug": "binary",
1423-        "name": "Binary",
1424-        "uuid": "df8f4106-c1ce-4c33-86b2-ad61ba5ccc4a",
1425-        "practices": [],
1426-        "prerequisites": [],
1427:        "difficulty": 0,
1428-        "status": "deprecated"
1429-      },
1430-      {
1431-        "slug": "hexadecimal",
1432-        "name": "Hexadecimal",
1433-        "uuid": "f4f80d57-a248-49d3-9329-587eb2643d4f",
1434-        "practices": [],
1435-        "prerequisites": [],
1436:        "difficulty": 0,
1437-        "status": "deprecated"
1438-      },
1439-      {
1440-        "slug": "octal",
1441-        "name": "Octal",
1442-        "uuid": "f29f9e56-c79b-4ae4-a0d0-29db78c677e4",
1443-        "practices": [],
1444-        "prerequisites": [],
1445:        "difficulty": 0,
1446-        "status": "deprecated"
1447-      },
1448-      {
1449-        "slug": "trinary",
1450-        "name": "Trinary",
1451-        "uuid": "81904afe-a893-45be-99f8-2e074a6f1ad5",
1452-        "practices": [],
1453-        "prerequisites": [],
1454:        "difficulty": 0,
1455-        "status": "deprecated"
1456-      },

go/config.json
1715-        "slug": "binary",
1716-        "name": "Binary",
1717-        "uuid": "bf2dcbc4-266f-4cad-9cd7-76d446360a5d",
1718-        "practices": [],
1719-        "prerequisites": [],
1720:        "difficulty": 0,
1721-        "topics": null,
1722-        "status": "deprecated"
1723-      },
1724-      {
1725-        "slug": "counter",
1726-        "name": "Counter",
1727-        "uuid": "9a06556b-a661-4329-97a1-b5d0f0c7590c",
1728-        "practices": [],
1729-        "prerequisites": [],
1730:        "difficulty": 0,
1731-        "topics": null,
1732-        "status": "deprecated"
1733-      },
1734-      {
1735-        "slug": "hexadecimal",
1736-        "name": "Hexadecimal",
1737-        "uuid": "0c9cef3d-57f6-479a-aca4-25f310426d6a",
1738-        "practices": [],
1739-        "prerequisites": [],
1740:        "difficulty": 0,
1741-        "topics": null,
1742-        "status": "deprecated"
1743-      },
1744-      {
1745-        "slug": "octal",
1746-        "name": "Octal",
1747-        "uuid": "4840c889-ebe5-4082-98c0-b9ed8618f6eb",
1748-        "practices": [],
1749-        "prerequisites": [],
1750:        "difficulty": 0,
1751-        "topics": null,
1752-        "status": "deprecated"
1753-      },
1754-      {
1755-        "slug": "trinary",
1756-        "name": "Trinary",
1757-        "uuid": "52af9f03-8b6b-4d75-a363-124f3269dccd",
1758-        "practices": [],
1759-        "prerequisites": [],
1760:        "difficulty": 0,
1761-        "topics": null,
1762-        "status": "deprecated"
1763-      },

haskell/config.json
1112-        "slug": "binary",
1113-        "name": "Binary",
1114-        "uuid": "48ca1682-ca1b-4a2c-be55-624620f336a7",
1115-        "practices": [],
1116-        "prerequisites": [],
1117:        "difficulty": 0,
1118-        "topics": null,
1119-        "status": "deprecated"
1120-      },
1121-      {
1122-        "slug": "gigasecond",
1123-        "name": "Gigasecond",
1124-        "uuid": "317ef3e7-67ce-4940-bc90-eed1c4a27c19",
1125-        "practices": [],
1126-        "prerequisites": [],
1127:        "difficulty": 0,
1128-        "topics": null,
1129-        "status": "deprecated"
1130-      },
1131-      {
1132-        "slug": "hexadecimal",
1133-        "name": "Hexadecimal",
1134-        "uuid": "964c07aa-abca-49b8-8428-1b81ee39066d",
1135-        "practices": [],
1136-        "prerequisites": [],
1137:        "difficulty": 0,
1138-        "topics": null,
1139-        "status": "deprecated"
1140-      },
1141-      {
1142-        "slug": "octal",
1143-        "name": "Octal",
1144-        "uuid": "2566f8ee-28cf-4429-9ced-42759c810d7c",
1145-        "practices": [],
1146-        "prerequisites": [],
1147:        "difficulty": 0,
1148-        "topics": null,
1149-        "status": "deprecated"
1150-      },
1151-      {
1152-        "slug": "trinary",
1153-        "name": "Trinary",
1154-        "uuid": "d5997b60-e54c-4caa-beae-8614f0da3fb3",
1155-        "practices": [],
1156-        "prerequisites": [],
1157:        "difficulty": 0,
1158-        "topics": null,
1159-        "status": "deprecated"
1160-      },

java/config.json
1750-        "slug": "accumulate",
1751-        "name": "Accumulate",
1752-        "uuid": "e58c29d2-80a7-40ef-bed0-4a184ae35f34",
1753-        "practices": [],
1754-        "prerequisites": [],
1755:        "difficulty": 0,
1756-        "topics": null,
1757-        "status": "deprecated"
1758-      },
1759-      {
1760-        "slug": "binary",
1761-        "name": "Binary",
1762-        "uuid": "9ea6e0fa-b91d-4d17-ac8f-6d2dc30fdd44",
1763-        "practices": [],
1764-        "prerequisites": [],
1765:        "difficulty": 0,
1766-        "topics": null,
1767-        "status": "deprecated"
1768-      },
1769-      {
1770-        "slug": "hexadecimal",
1771-        "name": "Hexadecimal",
1772-        "uuid": "6fe53a08-c123-465d-864a-ef18217203c4",
1773-        "practices": [],
1774-        "prerequisites": [],
1775:        "difficulty": 0,
1776-        "topics": null,
1777-        "status": "deprecated"
1778-      },
1779-      {
1780-        "slug": "octal",
1781-        "name": "Octal",
1782-        "uuid": "14a29e82-f9b1-4662-b678-06992e306c01",
1783-        "practices": [],
1784-        "prerequisites": [],
1785:        "difficulty": 0,
1786-        "topics": null,
1787-        "status": "deprecated"
1788-      },
1789-      {
1790-        "slug": "strain",
1791-        "name": "Strain",
1792-        "uuid": "2d195cd9-1814-490a-8dd6-a2c676f1d4cd",
1793-        "practices": [],
1794-        "prerequisites": [],
1795:        "difficulty": 0,
1796-        "topics": null,
1797-        "status": "deprecated"
1798-      },
1799-      {
1800-        "slug": "trinary",
1801-        "name": "Trinary",
1802-        "uuid": "ee3a8abe-6b19-4b47-9cf6-4d39ae915fb7",
1803-        "practices": [],
1804-        "prerequisites": [],
1805:        "difficulty": 0,
1806-        "topics": null,
1807-        "status": "deprecated"
1808-      },

javascript/config.json
1412-        "slug": "point-mutations",
1413-        "name": "Point Mutations",
1414-        "uuid": "6d43709b-3809-4a6a-ab41-2a5ab841b5fb",
1415-        "practices": [],
1416-        "prerequisites": [],
1417:        "difficulty": 0,
1418-        "topics": null,
1419-        "status": "deprecated"
1420-      },

kotlin/config.json
946-        "slug": "accumulate",
947-        "name": "Accumulate",
948-        "uuid": "86015770-603b-44cf-aedf-f2a7cf79c841",
949-        "practices": [],
950-        "prerequisites": [],
951:        "difficulty": 0,
952-        "topics": ["lists"],
953-        "status": "deprecated"
954-      },
955-      {
956-        "slug": "binary",
957-        "name": "Binary",
958-        "uuid": "def44955-c048-4b74-8777-2fb7d779b09e",
959-        "practices": [],
960-        "prerequisites": [],
961:        "difficulty": 0,
962-        "topics": ["strings"],
963-        "status": "deprecated"
964-      },
965-      {
966-        "slug": "hexadecimal",
967-        "name": "Hexadecimal",
968-        "uuid": "13b1a62e-8e0e-4d57-b8c9-341b41f25cf5",
969-        "practices": [],
970-        "prerequisites": [],
971:        "difficulty": 0,
972-        "topics": ["string", "integers"],
973-        "status": "deprecated"
974-      },
975-      {
976-        "slug": "strain",
977-        "name": "Strain",
978-        "uuid": "8ae8492d-620c-4446-9928-5b4d78d496d9",
979-        "practices": [],
980-        "prerequisites": [],
981:        "difficulty": 0,
982-        "topics": ["arrays", "filtering"],
983-        "status": "deprecated"
984-      },

lfe/config.json
50-        "slug": "accumulate",
51-        "name": "Accumulate",
52-        "uuid": "d706e999-482a-42de-8492-0a65e6258c19",
53-        "practices": [],
54-        "prerequisites": [],
55:        "difficulty": 0,
56-        "topics": null,
57-        "status": "deprecated"
58-      },

lua/config.json
1107-        "slug": "accumulate",
1108-        "name": "Accumulate",
1109-        "uuid": "cf3386ef-177c-41f6-8569-040d3a9c9175",
1110-        "practices": [],
1111-        "prerequisites": [],
1112:        "difficulty": 0,
1113-        "topics": null,
1114-        "status": "deprecated"
1115-      }

nim/config.json
323-        "slug": "binary",
324-        "name": "Binary",
325-        "uuid": "3acf148d-df9e-4897-8c9f-c17a3ba5e4b6",
326-        "practices": [],
327-        "prerequisites": [],
328:        "difficulty": 0,
329-        "topics": null,
330-        "status": "deprecated"
331-      },

ocaml/config.json
39-        "slug": "hexadecimal",
40-        "name": "Hexadecimal",
41-        "uuid": "d0c937ef-3c7b-40be-891d-3024129b443f",
42-        "practices": [],
43-        "prerequisites": [],
44:        "difficulty": 0,
45-        "topics": null,
46-        "status": "deprecated"
47-      },

perl5/config.json
39-        "slug": "binary",
40-        "name": "Binary",
41-        "uuid": "2e74fa26-f946-4b79-87b9-27f60f03af8f",
42-        "practices": [],
43-        "prerequisites": [],
44:        "difficulty": 0,
45-        "topics": null,
46-        "status": "deprecated"
47-      },
48-      {
49-        "slug": "hexadecimal",
50-        "name": "Hexadecimal",
51-        "uuid": "742bccfd-20f9-44f1-8935-e84384807088",
52-        "practices": [],
53-        "prerequisites": [],
54:        "difficulty": 0,
55-        "topics": null,
56-        "status": "deprecated"
57-      },
58-      {
59-        "slug": "point-mutations",
60-        "name": "Point Mutations",
61-        "uuid": "a6f46028-7334-4504-877e-eda8ebdd9ea9",
62-        "practices": [],
63-        "prerequisites": [],
64:        "difficulty": 0,
65-        "topics": null,
66-        "status": "deprecated"
67-      },
68-      {
69-        "slug": "trinary",
70-        "name": "Trinary",
71-        "uuid": "88643b77-3889-4395-81a0-c73526ce879a",
72-        "practices": [],
73-        "prerequisites": [],
74:        "difficulty": 0,
75-        "topics": null,
76-        "status": "deprecated"
77-      },

racket/config.json
205-        "slug": "accumulate",
206-        "name": "Accumulate",
207-        "uuid": "b234225c-fcde-445f-9222-f80c25d0f499",
208-        "practices": [],
209-        "prerequisites": [],
210:        "difficulty": 0,
211-        "topics": null,
212-        "status": "deprecated"
213-      },

raku/config.json
213-        "slug": "binary",
214-        "name": "Binary",
215-        "uuid": "1d36c4df-a1c8-454c-b4ec-7bec3c1cbca3",
216-        "practices": [],
217-        "prerequisites": [],
218:        "difficulty": 0,
219-        "topics": null,
220-        "status": "deprecated"
221-      },
222-      {
223-        "slug": "trinary",
224-        "name": "Trinary",
225-        "uuid": "eb5415a2-1342-4dcb-ac86-34240e5dead8",
226-        "practices": [],
227-        "prerequisites": [],
228:        "difficulty": 0,
229-        "topics": null,
230-        "status": "deprecated"
231-      },

red/config.json
      {
        "slug": "hello-world",
        "name": "Hello World",
        "status": "beta",
        "uuid": "1d2e9dab-d85e-4b30-b414-1ebd969475ad",
        "practices": [
          "basics",
          "script",
          "strings"
        ],
        "prerequisites": [],
        "difficulty": 0
      },
      {

ruby/config.json
1189-        "slug": "binary",
1190-        "name": "Binary",
1191-        "uuid": "43bc27ed-d2fa-4173-8665-4459b71c9a3a",
1192-        "practices": [],
1193-        "prerequisites": [],
1194:        "difficulty": 0,
1195-        "topics": null,
1196-        "status": "deprecated"
1197-      },
1198-      {
1199-        "slug": "hexadecimal",
1200-        "name": "Hexadecimal",
1201-        "uuid": "6984cc14-91f8-47a7-b7e2-4b210a5dbc5c",
1202-        "practices": [],
1203-        "prerequisites": [],
1204:        "difficulty": 0,
1205-        "topics": null,
1206-        "status": "deprecated"
1207-      },
1208-      {
1209-        "slug": "octal",
1210-        "name": "Octal",
1211-        "uuid": "cae4e000-3aac-41f7-b727-f9cce12d058d",
1212-        "practices": [],
1213-        "prerequisites": [],
1214:        "difficulty": 0,
1215-        "topics": null,
1216-        "status": "deprecated"
1217-      },
1218-      {
1219-        "slug": "point-mutations",
1220-        "name": "Point Mutations",
1221-        "uuid": "89bd3d71-000f-4cd9-9a84-ad1b22ddbd33",
1222-        "practices": [],
1223-        "prerequisites": [],
1224:        "difficulty": 0,
1225-        "topics": null,
1226-        "status": "deprecated"
1227-      },
1228-      {
1229-        "slug": "trinary",
1230-        "name": "Trinary",
1231-        "uuid": "f6735416-4be6-4eb8-b6b9-cb61671ce25e",
1232-        "practices": [],
1233-        "prerequisites": [],
1234:        "difficulty": 0,
1235-        "topics": null,
1236-        "status": "deprecated"
1237-      },

rust/config.json
1411-        "slug": "hexadecimal",
1412-        "name": "Hexadecimal",
1413-        "uuid": "496fd79f-1678-4aa2-8110-c32c6aaf545e",
1414-        "practices": [],
1415-        "prerequisites": [],
1416:        "difficulty": 0,
1417-        "topics": null,
1418-        "status": "deprecated"
1419-      },
1420-      {
1421-        "slug": "nucleotide-codons",
1422-        "name": "Nucleotide Codons",
1423-        "uuid": "8dae8f4d-368d-477d-907e-bf746921bfbf",
1424-        "practices": [],
1425-        "prerequisites": [],
1426:        "difficulty": 0,
1427-        "topics": null,
1428-        "status": "deprecated"
1429-      },

scala/config.json
660-        "slug": "binary",
661-        "name": "Binary",
662-        "uuid": "6cc53fdc-4423-47fe-abac-7688259b0ac5",
663-        "practices": [],
664-        "prerequisites": [],
665:        "difficulty": 0,
666-        "topics": null,
667-        "status": "deprecated"
668-      },
669-      {
670-        "slug": "hexadecimal",
671-        "name": "Hexadecimal",
672-        "uuid": "7c949a14-70dc-4034-874f-0c9e3217fcf8",
673-        "practices": [],
674-        "prerequisites": [],
675:        "difficulty": 0,
676-        "topics": null,
677-        "status": "deprecated"
678-      },
679-      {
680-        "slug": "octal",
681-        "name": "Octal",
682-        "uuid": "403063a8-9f29-409a-8bf4-a2400521e19b",
683-        "practices": [],
684-        "prerequisites": [],
685:        "difficulty": 0,
686-        "topics": null,
687-        "status": "deprecated"
688-      },
689-      {
690-        "slug": "trinary",
691-        "name": "Trinary",
692-        "uuid": "616e49fe-b6eb-4384-9af4-b8413d4d0eab",
693-        "practices": [],
694-        "prerequisites": [],
695:        "difficulty": 0,
696-        "topics": null,
697-        "status": "deprecated"
698-      },

sml/config.json
118-        "slug": "binary",
119-        "name": "Binary",
120-        "uuid": "225cfd7d-81a3-4a58-b1aa-1de2e40e7a93",
121-        "practices": [],
122-        "prerequisites": [],
123:        "difficulty": 0,
124-        "topics": null,
125-        "status": "deprecated"
126-      },

swift/config.json
187-        "slug": "binary",
188-        "name": "Binary",
189-        "uuid": "0930d019-2ccb-48f9-9ee7-467b683d9901",
190-        "practices": [],
191-        "prerequisites": [],
192:        "difficulty": 0,
193-        "topics": null,
194-        "status": "deprecated"
195-      },
196-      {
197-        "slug": "hexadecimal",
198-        "name": "Hexadecimal",
199-        "uuid": "3a9f0e4d-a569-40ea-adb8-ded8d240c949",
200-        "practices": [],
201-        "prerequisites": [],
202:        "difficulty": 0,
203-        "topics": null,
204-        "status": "deprecated"
205-      },
206-      {
207-        "slug": "octal",
208-        "name": "Octal",
209-        "uuid": "128bcbc1-18b3-45e7-9590-c71d8f57c5c1",
210-        "practices": [],
211-        "prerequisites": [],
212:        "difficulty": 0,
213-        "topics": null,
214-        "status": "deprecated"
215-      },
216-      {
217-        "slug": "trinary",
218-        "name": "Trinary",
219-        "uuid": "8b376ef9-ad94-4623-8d0f-e2d7bb6c364a",
220-        "practices": [],
221-        "prerequisites": [],
222:        "difficulty": 0,
223-        "topics": null,
224-        "status": "deprecated"
225-      },

[ErikSchierboom]

Difficulty 0 is currently interpreted as being "hard" (which is wrong): https://github.com/exercism/website/blob/main/app/models/exercise.rb#L97

Maybe we should disallow a difficulty of zero, or have it be the required value for deprecated exercises? @iHiD ?

Whoops

[iHiD]

Maybe we should disallow a difficulty of zero

This I think.

[ErikSchierboom]

@ee7 Could you update the PR?

[ee7]

Could you update the PR?

Like this?

Do we want configlet lint to produce an error for a deprecated exercise with a difficulty of 0? (See the list in the top post).

[ErikSchierboom]

I think we don't want to make an exception for deprecated exercises, as they can still show up on the website if someone started them before they were deprecated. We'll have to submit some PRs to fix that (easy enough).

[ErikSchierboom]

@ee7 I'm working on a bulk update for the tracks that use difficulty 0.

[ee7]

@ErikSchierboom Can we merge this?

We made configlet lint produce an error for a difficulty level of 0 (exercism/configlet@36a07d8).