lots of exercises in java... from https://github.com/exercism/java

config.json 19KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834
  1. {
  2. "active": true,
  3. "blurb": "Java is a very widely used Object Oriented programming language. It's safe, simple to use and portable so that you can \"write once, run anywhere\".",
  4. "exercises": [
  5. {
  6. "core": true,
  7. "difficulty": 1,
  8. "slug": "hello-world",
  9. "topics": [
  10. "strings"
  11. ],
  12. "unlocked_by": null,
  13. "uuid": "f77dc7e3-35a8-4300-a7c8-2c1765e9644d"
  14. },
  15. {
  16. "core": true,
  17. "difficulty": 1,
  18. "slug": "two-fer",
  19. "topics": [
  20. "conditionals",
  21. "strings"
  22. ],
  23. "unlocked_by": null,
  24. "uuid": "74515d45-565b-4be2-96c4-77e58efa9257"
  25. },
  26. {
  27. "core": false,
  28. "difficulty": 2,
  29. "slug": "rna-transcription",
  30. "topics": null,
  31. "unlocked_by": null,
  32. "uuid": "8e983ed2-62f7-439a-a144-fb8fdbdf4d30"
  33. },
  34. {
  35. "core": false,
  36. "difficulty": 3,
  37. "slug": "pangram",
  38. "topics": [
  39. "strings",
  40. "pattern_matching",
  41. "regular_expressions"
  42. ],
  43. "unlocked_by": null,
  44. "uuid": "133b0f84-bdc7-4508-a0a1-5732a7db81ef"
  45. },
  46. {
  47. "core": true,
  48. "difficulty": 3,
  49. "slug": "hamming",
  50. "topics": [
  51. "integers",
  52. "loops",
  53. "strings"
  54. ],
  55. "unlocked_by": null,
  56. "uuid": "ce899ca6-9cc7-47ba-b76f-1bbcf2630b76"
  57. },
  58. {
  59. "core": true,
  60. "difficulty": 3,
  61. "slug": "gigasecond",
  62. "topics": [
  63. "dates",
  64. "integers",
  65. "time"
  66. ],
  67. "unlocked_by": null,
  68. "uuid": "bf1641c8-dc0d-4d38-9cfe-b4c132ea3553"
  69. },
  70. {
  71. "core": false,
  72. "difficulty": 3,
  73. "slug": "space-age",
  74. "topics": [
  75. "conditionals",
  76. "floating_point_numbers",
  77. "mathematics"
  78. ],
  79. "unlocked_by": null,
  80. "uuid": "e5b524cd-3a1c-468a-8981-13e8eeccb29d"
  81. },
  82. {
  83. "core": false,
  84. "difficulty": 3,
  85. "slug": "acronym",
  86. "topics": [
  87. "loops",
  88. "strings",
  89. "searching",
  90. "parsing"
  91. ],
  92. "unlocked_by": null,
  93. "uuid": "c31bbc6d-bdcf-44f7-bf35-5f98752e38d0"
  94. },
  95. {
  96. "core": true,
  97. "difficulty": 3,
  98. "slug": "scrabble-score",
  99. "topics": null,
  100. "unlocked_by": null,
  101. "uuid": "afae9f2d-8baf-4bd7-8d7c-d486337f7c97"
  102. },
  103. {
  104. "core": false,
  105. "difficulty": 3,
  106. "slug": "raindrops",
  107. "topics": [
  108. "conditionals",
  109. "integers",
  110. "mathematics",
  111. "strings"
  112. ],
  113. "unlocked_by": "hello-world",
  114. "uuid": "d916e4f8-fda1-41c0-ab24-79e8fc3f1272"
  115. },
  116. {
  117. "core": true,
  118. "difficulty": 3,
  119. "slug": "difference-of-squares",
  120. "topics": [
  121. "loops",
  122. "integers",
  123. "mathematics"
  124. ],
  125. "unlocked_by": null,
  126. "uuid": "b0da59c6-1b55-405c-b163-007ebf09f5e8"
  127. },
  128. {
  129. "core": true,
  130. "difficulty": 3,
  131. "slug": "secret-handshake",
  132. "topics": null,
  133. "unlocked_by": null,
  134. "uuid": "71c7c174-7e2c-43c2-bdd6-7515fcb12a91"
  135. },
  136. {
  137. "core": false,
  138. "difficulty": 3,
  139. "slug": "perfect-numbers",
  140. "topics": null,
  141. "unlocked_by": "difference-of-squares",
  142. "uuid": "d0dcc898-ec38-4822-9e3c-1a1829c9b2d9"
  143. },
  144. {
  145. "core": false,
  146. "difficulty": 4,
  147. "slug": "sum-of-multiples",
  148. "topics": null,
  149. "unlocked_by": "difference-of-squares",
  150. "uuid": "2f244afc-3e7b-4f89-92af-e2b427f4ef35"
  151. },
  152. {
  153. "core": false,
  154. "difficulty": 4,
  155. "slug": "luhn",
  156. "topics": [
  157. "algorithms",
  158. "booleans",
  159. "loops",
  160. "mathematics",
  161. "strings",
  162. "type_conversion"
  163. ],
  164. "unlocked_by": "hamming",
  165. "uuid": "5227a76c-8ecb-4e5f-b023-6af65a057c41"
  166. },
  167. {
  168. "core": true,
  169. "difficulty": 4,
  170. "slug": "matrix",
  171. "topics": null,
  172. "unlocked_by": null,
  173. "uuid": "c1d4e0b4-6a0f-4be9-8222-345966621f53"
  174. },
  175. {
  176. "core": true,
  177. "difficulty": 4,
  178. "slug": "triangle",
  179. "topics": null,
  180. "unlocked_by": null,
  181. "uuid": "ec268d8e-997b-4553-8c67-8bdfa1ecb888"
  182. },
  183. {
  184. "core": false,
  185. "difficulty": 4,
  186. "slug": "largest-series-product",
  187. "topics": [
  188. "loops",
  189. "type_conversion",
  190. "integers",
  191. "strings",
  192. "mathematics"
  193. ],
  194. "unlocked_by": "hamming",
  195. "uuid": "b7310b6e-435c-4d5f-b2bd-31e586d0f238"
  196. },
  197. {
  198. "core": false,
  199. "difficulty": 4,
  200. "slug": "sieve",
  201. "topics": null,
  202. "unlocked_by": "difference-of-squares",
  203. "uuid": "6791d01f-bae4-4b63-ae76-86529ac49e36"
  204. },
  205. {
  206. "core": false,
  207. "difficulty": 4,
  208. "slug": "twelve-days",
  209. "topics": [
  210. "strings",
  211. "arrays",
  212. "conditionals",
  213. "loops"
  214. ],
  215. "unlocked_by": "two-fer",
  216. "uuid": "581afdbb-dfb6-4dc5-9554-a025b5469a3c"
  217. },
  218. {
  219. "core": true,
  220. "difficulty": 4,
  221. "slug": "rotational-cipher",
  222. "topics": null,
  223. "unlocked_by": null,
  224. "uuid": "9eb41883-55ef-4681-b5ac-5c2259302772"
  225. },
  226. {
  227. "core": false,
  228. "difficulty": 4,
  229. "slug": "kindergarten-garden",
  230. "topics": null,
  231. "unlocked_by": "matrix",
  232. "uuid": "0b92ffee-c092-4ab1-ad78-76c8cf80e1b5"
  233. },
  234. {
  235. "core": false,
  236. "difficulty": 4,
  237. "slug": "collatz-conjecture",
  238. "topics": null,
  239. "unlocked_by": "triangle",
  240. "uuid": "1500d39a-c9d9-4d3a-9e77-fdc1837fc6ad"
  241. },
  242. {
  243. "core": false,
  244. "difficulty": 4,
  245. "slug": "nth-prime",
  246. "topics": null,
  247. "unlocked_by": "triangle",
  248. "uuid": "2c69db99-648d-4bd7-8012-1fbdeff6ca0a"
  249. },
  250. {
  251. "core": true,
  252. "difficulty": 4,
  253. "slug": "saddle-points",
  254. "topics": null,
  255. "unlocked_by": null,
  256. "uuid": "8dfc2f0d-1141-46e9-95e2-6f35ccf6f160"
  257. },
  258. {
  259. "core": false,
  260. "difficulty": 4,
  261. "slug": "diamond",
  262. "topics": [
  263. "strings",
  264. "loops",
  265. "arrays",
  266. "lists",
  267. "text_formatting"
  268. ],
  269. "unlocked_by": "two-fer",
  270. "uuid": "ecbd997b-86f4-4e11-9ff0-706ac2899415"
  271. },
  272. {
  273. "core": false,
  274. "difficulty": 4,
  275. "slug": "isogram",
  276. "topics": [
  277. "conditionals",
  278. "loops",
  279. "parsing",
  280. "strings"
  281. ],
  282. "unlocked_by": "hello-world",
  283. "uuid": "c3e89c7c-3a8a-4ddc-b653-9b0ff9e1d7d8"
  284. },
  285. {
  286. "core": true,
  287. "difficulty": 5,
  288. "slug": "flatten-array",
  289. "topics": null,
  290. "unlocked_by": null,
  291. "uuid": "a732a838-8170-458a-a85e-d6b4c46f97a1"
  292. },
  293. {
  294. "core": false,
  295. "difficulty": 5,
  296. "slug": "pig-latin",
  297. "topics": [
  298. "arrays",
  299. "lists",
  300. "strings",
  301. "transforming"
  302. ],
  303. "unlocked_by": "hello-world",
  304. "uuid": "38bc80ae-d842-4c04-a797-48edf322504d"
  305. },
  306. {
  307. "core": false,
  308. "difficulty": 5,
  309. "slug": "phone-number",
  310. "topics": [
  311. "conditionals",
  312. "pattern_matching",
  313. "strings",
  314. "regular_expressions"
  315. ],
  316. "unlocked_by": "hamming",
  317. "uuid": "5f9139e7-9fbb-496a-a0d7-a946283033de"
  318. },
  319. {
  320. "core": false,
  321. "difficulty": 5,
  322. "slug": "nucleotide-count",
  323. "topics": [
  324. "conditionals",
  325. "exception_handling",
  326. "integers",
  327. "maps",
  328. "parsing",
  329. "searching",
  330. "strings"
  331. ],
  332. "unlocked_by": "hamming",
  333. "uuid": "2d80fdfc-5bd7-4b67-9fbe-8ab820d89051"
  334. },
  335. {
  336. "core": true,
  337. "difficulty": 5,
  338. "slug": "word-count",
  339. "topics": null,
  340. "unlocked_by": null,
  341. "uuid": "3603b770-87a5-4758-91f3-b4d1f9075bc1"
  342. },
  343. {
  344. "core": false,
  345. "difficulty": 5,
  346. "slug": "run-length-encoding",
  347. "topics": null,
  348. "unlocked_by": "rotational-cipher",
  349. "uuid": "4499a3f9-73a7-48bf-8753-d5b6abf588c9"
  350. },
  351. {
  352. "core": true,
  353. "difficulty": 5,
  354. "slug": "robot-name",
  355. "topics": null,
  356. "unlocked_by": null,
  357. "uuid": "d7c2eed9-64c7-4c4a-b45d-c787d460337f"
  358. },
  359. {
  360. "core": false,
  361. "difficulty": 5,
  362. "slug": "prime-factors",
  363. "topics": null,
  364. "unlocked_by": "triangle",
  365. "uuid": "599c08ec-7338-46ed-99f8-a76f78f724e6"
  366. },
  367. {
  368. "core": false,
  369. "difficulty": 5,
  370. "slug": "allergies",
  371. "topics": [
  372. "booleans",
  373. "conditionals",
  374. "enumerations",
  375. "integers",
  376. "lists",
  377. "loops"
  378. ],
  379. "unlocked_by": "gigasecond",
  380. "uuid": "6a617ddb-04e3-451c-bb30-27ccd0be9125"
  381. },
  382. {
  383. "core": false,
  384. "difficulty": 5,
  385. "slug": "bob",
  386. "topics": [
  387. "booleans",
  388. "conditionals",
  389. "strings"
  390. ],
  391. "unlocked_by": "two-fer",
  392. "uuid": "34cd328c-cd96-492b-abd4-2b8716cdcd9a"
  393. },
  394. {
  395. "core": false,
  396. "difficulty": 5,
  397. "slug": "pascals-triangle",
  398. "topics": [
  399. "recursion",
  400. "arrays",
  401. "matrices",
  402. "algorithms",
  403. "mathematics"
  404. ],
  405. "unlocked_by": "matrix",
  406. "uuid": "d2a76905-1c8c-4b03-b4f7-4fbff19329f3"
  407. },
  408. {
  409. "core": false,
  410. "difficulty": 5,
  411. "slug": "bracket-push",
  412. "topics": null,
  413. "unlocked_by": "flatten-array",
  414. "uuid": "85aa50ac-0141-49eb-bc6f-62f3f7a97647"
  415. },
  416. {
  417. "core": false,
  418. "difficulty": 5,
  419. "slug": "series",
  420. "topics": [
  421. "conditionals",
  422. "lists",
  423. "loops",
  424. "strings",
  425. "type_conversion"
  426. ],
  427. "unlocked_by": "hamming",
  428. "uuid": "af80d7f4-c7d0-4d0b-9c30-09da120f6bb9"
  429. },
  430. {
  431. "core": false,
  432. "difficulty": 5,
  433. "slug": "atbash-cipher",
  434. "topics": null,
  435. "unlocked_by": "rotational-cipher",
  436. "uuid": "d36ce010-210f-4e9a-9d6c-cb933e0a59af"
  437. },
  438. {
  439. "core": false,
  440. "difficulty": 6,
  441. "slug": "spiral-matrix",
  442. "topics": null,
  443. "unlocked_by": "matrix",
  444. "uuid": "163fcc6b-c054-4232-a88b-0aded846a6eb"
  445. },
  446. {
  447. "core": false,
  448. "difficulty": 6,
  449. "slug": "roman-numerals",
  450. "topics": [
  451. "logic",
  452. "mathematics",
  453. "loops",
  454. "integers",
  455. "strings",
  456. "maps"
  457. ],
  458. "unlocked_by": "hamming",
  459. "uuid": "3e728cd4-5e5f-4c69-8a53-bc36d020fcdb"
  460. },
  461. {
  462. "core": false,
  463. "difficulty": 6,
  464. "slug": "transpose",
  465. "topics": null,
  466. "unlocked_by": "matrix",
  467. "uuid": "57b76837-4610-466f-9373-d5c2697625f1"
  468. },
  469. {
  470. "core": false,
  471. "difficulty": 6,
  472. "slug": "house",
  473. "topics": null,
  474. "unlocked_by": "two-fer",
  475. "uuid": "6b51aca3-3451-4a64-ad7b-00b151d7548a"
  476. },
  477. {
  478. "core": false,
  479. "difficulty": 6,
  480. "slug": "food-chain",
  481. "topics": [
  482. "arrays",
  483. "lists",
  484. "strings"
  485. ],
  486. "unlocked_by": "two-fer",
  487. "uuid": "dd3e6fd6-5359-4978-acd7-c39374cead4d"
  488. },
  489. {
  490. "core": false,
  491. "difficulty": 6,
  492. "slug": "beer-song",
  493. "topics": [
  494. "strings",
  495. "loops",
  496. "variables",
  497. "text_formatting",
  498. "conditionals"
  499. ],
  500. "unlocked_by": "two-fer",
  501. "uuid": "56943095-de76-40bf-b42b-fa3e70f8df5e"
  502. },
  503. {
  504. "core": false,
  505. "difficulty": 6,
  506. "slug": "queen-attack",
  507. "topics": [
  508. "arrays",
  509. "matrices",
  510. "conditionals",
  511. "classes",
  512. "games",
  513. "mathematics"
  514. ],
  515. "unlocked_by": "scrabble-score",
  516. "uuid": "5404109e-3ed9-4691-8eaf-af8b36024a44"
  517. },
  518. {
  519. "core": false,
  520. "difficulty": 6,
  521. "slug": "etl",
  522. "topics": null,
  523. "unlocked_by": "word-count",
  524. "uuid": "76d28d97-75d3-47eb-bb77-3d347b76f1b6"
  525. },
  526. {
  527. "core": true,
  528. "difficulty": 6,
  529. "slug": "linked-list",
  530. "topics": null,
  531. "unlocked_by": null,
  532. "uuid": "7ba5084d-3b75-4406-a0d7-87c26387f9c0"
  533. },
  534. {
  535. "core": false,
  536. "difficulty": 6,
  537. "slug": "grade-school",
  538. "topics": null,
  539. "unlocked_by": "word-count",
  540. "uuid": "b4af5da1-601f-4b0f-bfb8-4a381851090c"
  541. },
  542. {
  543. "core": false,
  544. "difficulty": 6,
  545. "slug": "robot-simulator",
  546. "topics": null,
  547. "unlocked_by": "secret-handshake",
  548. "uuid": "993bde9d-7774-4e7a-a381-9eee75f28ecb"
  549. },
  550. {
  551. "core": true,
  552. "difficulty": 6,
  553. "slug": "binary-search",
  554. "topics": null,
  555. "unlocked_by": null,
  556. "uuid": "50136dc3-caf7-4fa1-b7bd-0cba1bea9176"
  557. },
  558. {
  559. "core": false,
  560. "difficulty": 6,
  561. "slug": "minesweeper",
  562. "topics": [
  563. "integers",
  564. "matrices",
  565. "games",
  566. "conditionals",
  567. "strings",
  568. "lists"
  569. ],
  570. "unlocked_by": "scrabble-score",
  571. "uuid": "416a1489-12af-4593-8540-0f55285c96b4"
  572. },
  573. {
  574. "core": false,
  575. "difficulty": 6,
  576. "slug": "wordy",
  577. "topics": null,
  578. "unlocked_by": "secret-handshake",
  579. "uuid": "3310a3cd-c0cb-45fa-8c51-600178be904a"
  580. },
  581. {
  582. "core": false,
  583. "difficulty": 6,
  584. "slug": "all-your-base",
  585. "topics": null,
  586. "unlocked_by": "saddle-points",
  587. "uuid": "f7c2e4b5-1995-4dfe-b827-c9aff8ac5332"
  588. },
  589. {
  590. "core": true,
  591. "difficulty": 6,
  592. "slug": "bank-account",
  593. "topics": null,
  594. "unlocked_by": null,
  595. "uuid": "a242efc5-159d-492b-861d-12a1459fb334"
  596. },
  597. {
  598. "core": false,
  599. "difficulty": 6,
  600. "slug": "bowling",
  601. "topics": null,
  602. "unlocked_by": "scrabble-score",
  603. "uuid": "4b3f7771-c642-4278-a3d9-2fb958f26361"
  604. },
  605. {
  606. "core": false,
  607. "difficulty": 7,
  608. "slug": "anagram",
  609. "topics": [
  610. "arrays",
  611. "conditionals",
  612. "equality",
  613. "lists",
  614. "loops",
  615. "strings"
  616. ],
  617. "unlocked_by": "hello-world",
  618. "uuid": "fb10dc2f-0ba1-44b6-8365-5e48e86d1283"
  619. },
  620. {
  621. "core": false,
  622. "difficulty": 7,
  623. "slug": "sublist",
  624. "topics": null,
  625. "unlocked_by": "linked-list",
  626. "uuid": "d2aedbd7-092a-43d0-8a5e-ae3ebd5b9c7f"
  627. },
  628. {
  629. "core": false,
  630. "difficulty": 7,
  631. "slug": "word-search",
  632. "topics": [
  633. "strings",
  634. "games",
  635. "logic",
  636. "matrices",
  637. "searching",
  638. "pattern_matching"
  639. ],
  640. "unlocked_by": "scrabble-score",
  641. "uuid": "b53bde52-cb5f-4d43-86ec-18aa509d62f9"
  642. },
  643. {
  644. "core": false,
  645. "difficulty": 7,
  646. "slug": "simple-linked-list",
  647. "topics": null,
  648. "unlocked_by": "linked-list",
  649. "uuid": "e3e5ffe5-cfc1-467e-a28a-da0302130144"
  650. },
  651. {
  652. "core": false,
  653. "difficulty": 7,
  654. "slug": "binary-search-tree",
  655. "topics": null,
  656. "unlocked_by": "binary-search",
  657. "uuid": "0a2d18aa-7b5e-4401-a952-b93d2060694f"
  658. },
  659. {
  660. "core": false,
  661. "difficulty": 7,
  662. "slug": "meetup",
  663. "topics": null,
  664. "unlocked_by": "gigasecond",
  665. "uuid": "602511d5-7e89-4def-b072-4dd311816810"
  666. },
  667. {
  668. "core": false,
  669. "difficulty": 7,
  670. "slug": "crypto-square",
  671. "topics": null,
  672. "unlocked_by": "rotational-cipher",
  673. "uuid": "162bebdc-9bf2-43c0-8460-a91f5fc16147"
  674. },
  675. {
  676. "core": false,
  677. "difficulty": 7,
  678. "slug": "poker",
  679. "topics": [
  680. "games",
  681. "parsing",
  682. "sorting"
  683. ],
  684. "unlocked_by": "scrabble-score",
  685. "uuid": "57eeac00-741c-4843-907a-51f0ac5ea4cb"
  686. },
  687. {
  688. "core": false,
  689. "difficulty": 7,
  690. "slug": "clock",
  691. "topics": null,
  692. "unlocked_by": "saddle-points",
  693. "uuid": "97c8fcd4-85b6-41cb-9de2-b4e1b4951222"
  694. },
  695. {
  696. "core": false,
  697. "difficulty": 8,
  698. "slug": "ocr-numbers",
  699. "topics": null,
  700. "unlocked_by": "robot-name",
  701. "uuid": "5cbc6a67-3a53-4aad-ae68-ff469525437f"
  702. },
  703. {
  704. "core": false,
  705. "difficulty": 8,
  706. "slug": "circular-buffer",
  707. "topics": [
  708. "classes",
  709. "exception_handling",
  710. "queues"
  711. ],
  712. "unlocked_by": "linked-list",
  713. "uuid": "626dc25a-062c-4053-a8c1-788e4dc44ca0"
  714. },
  715. {
  716. "core": false,
  717. "difficulty": 8,
  718. "slug": "rectangles",
  719. "topics": null,
  720. "unlocked_by": "robot-name",
  721. "uuid": "64cda115-919a-4eef-9a45-9ec5d1af98cc"
  722. },
  723. {
  724. "core": false,
  725. "difficulty": 8,
  726. "slug": "book-store",
  727. "topics": null,
  728. "unlocked_by": "flatten-array",
  729. "uuid": "e5f05d00-fe5b-4d78-b2fa-934c1c9afb32"
  730. },
  731. {
  732. "core": false,
  733. "difficulty": 8,
  734. "slug": "simple-cipher",
  735. "topics": null,
  736. "unlocked_by": "rotational-cipher",
  737. "uuid": "f654831f-c34b-44f5-9dd5-054efbb486f2"
  738. },
  739. {
  740. "core": false,
  741. "difficulty": 8,
  742. "slug": "complex-numbers",
  743. "topics": null,
  744. "unlocked_by": "triangle",
  745. "uuid": "52d11278-0d65-4b5b-b387-1374fced3243"
  746. },
  747. {
  748. "core": false,
  749. "difficulty": 8,
  750. "slug": "list-ops",
  751. "topics": null,
  752. "unlocked_by": "linked-list",
  753. "uuid": "a9836565-5c39-4285-b83a-53408be36ccc"
  754. },
  755. {
  756. "core": false,
  757. "difficulty": 8,
  758. "slug": "change",
  759. "topics": null,
  760. "unlocked_by": "flatten-array",
  761. "uuid": "bac1f4bc-eea9-43c1-8e95-097347f5925e"
  762. },
  763. {
  764. "core": false,
  765. "difficulty": 8,
  766. "slug": "palindrome-products",
  767. "topics": null,
  768. "unlocked_by": "saddle-points",
  769. "uuid": "873c05de-b5f5-4c5b-97f0-d1ede8a82832"
  770. },
  771. {
  772. "core": false,
  773. "difficulty": 9,
  774. "slug": "pythagorean-triplet",
  775. "topics": null,
  776. "unlocked_by": "triangle",
  777. "uuid": "88505f95-89e5-4a08-8ed2-208eb818cdf1"
  778. },
  779. {
  780. "core": false,
  781. "difficulty": 9,
  782. "slug": "forth",
  783. "topics": null,
  784. "unlocked_by": "secret-handshake",
  785. "uuid": "f0c0316d-3fb5-455e-952a-91161e7fb298"
  786. },
  787. {
  788. "core": false,
  789. "difficulty": 10,
  790. "slug": "custom-set",
  791. "topics": null,
  792. "unlocked_by": "linked-list",
  793. "uuid": "377fe38b-08ad-4f3a-8118-a43c10f7b9b2"
  794. },
  795. {
  796. "deprecated": true,
  797. "slug": "accumulate",
  798. "uuid": "e58c29d2-80a7-40ef-bed0-4a184ae35f34"
  799. },
  800. {
  801. "deprecated": true,
  802. "slug": "binary",
  803. "uuid": "9ea6e0fa-b91d-4d17-ac8f-6d2dc30fdd44"
  804. },
  805. {
  806. "deprecated": true,
  807. "slug": "hexadecimal",
  808. "uuid": "6fe53a08-c123-465d-864a-ef18217203c4"
  809. },
  810. {
  811. "deprecated": true,
  812. "slug": "octal",
  813. "uuid": "14a29e82-f9b1-4662-b678-06992e306c01"
  814. },
  815. {
  816. "deprecated": true,
  817. "slug": "strain",
  818. "uuid": "2d195cd9-1814-490a-8dd6-a2c676f1d4cd"
  819. },
  820. {
  821. "deprecated": true,
  822. "slug": "trinary",
  823. "uuid": "ee3a8abe-6b19-4b47-9cf6-4d39ae915fb7"
  824. }
  825. ],
  826. "foregone": [
  827. "leap",
  828. "grains",
  829. "say"
  830. ],
  831. "language": "Java",
  832. "solution_pattern": "reference"
  833. }