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

config.json 19KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852
  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": [
  31. "strings",
  32. "loops",
  33. "maps"
  34. ],
  35. "unlocked_by": null,
  36. "uuid": "8e983ed2-62f7-439a-a144-fb8fdbdf4d30"
  37. },
  38. {
  39. "core": false,
  40. "difficulty": 3,
  41. "slug": "pangram",
  42. "topics": [
  43. "strings",
  44. "pattern_matching",
  45. "regular_expressions"
  46. ],
  47. "unlocked_by": null,
  48. "uuid": "133b0f84-bdc7-4508-a0a1-5732a7db81ef"
  49. },
  50. {
  51. "core": true,
  52. "difficulty": 3,
  53. "slug": "hamming",
  54. "topics": [
  55. "integers",
  56. "loops",
  57. "strings"
  58. ],
  59. "unlocked_by": null,
  60. "uuid": "ce899ca6-9cc7-47ba-b76f-1bbcf2630b76"
  61. },
  62. {
  63. "core": true,
  64. "difficulty": 3,
  65. "slug": "gigasecond",
  66. "topics": [
  67. "dates",
  68. "integers",
  69. "time"
  70. ],
  71. "unlocked_by": null,
  72. "uuid": "bf1641c8-dc0d-4d38-9cfe-b4c132ea3553"
  73. },
  74. {
  75. "core": false,
  76. "difficulty": 3,
  77. "slug": "space-age",
  78. "topics": [
  79. "conditionals",
  80. "floating_point_numbers",
  81. "mathematics"
  82. ],
  83. "unlocked_by": null,
  84. "uuid": "e5b524cd-3a1c-468a-8981-13e8eeccb29d"
  85. },
  86. {
  87. "core": false,
  88. "difficulty": 3,
  89. "slug": "acronym",
  90. "topics": [
  91. "loops",
  92. "strings",
  93. "searching",
  94. "parsing"
  95. ],
  96. "unlocked_by": null,
  97. "uuid": "c31bbc6d-bdcf-44f7-bf35-5f98752e38d0"
  98. },
  99. {
  100. "core": true,
  101. "difficulty": 3,
  102. "slug": "scrabble-score",
  103. "topics": [
  104. "games",
  105. "loops",
  106. "pattern_matching",
  107. "strings",
  108. "transforming"
  109. ],
  110. "unlocked_by": null,
  111. "uuid": "afae9f2d-8baf-4bd7-8d7c-d486337f7c97"
  112. },
  113. {
  114. "core": false,
  115. "difficulty": 3,
  116. "slug": "raindrops",
  117. "topics": [
  118. "conditionals",
  119. "integers",
  120. "mathematics",
  121. "strings"
  122. ],
  123. "unlocked_by": "hello-world",
  124. "uuid": "d916e4f8-fda1-41c0-ab24-79e8fc3f1272"
  125. },
  126. {
  127. "core": true,
  128. "difficulty": 3,
  129. "slug": "difference-of-squares",
  130. "topics": [
  131. "loops",
  132. "integers",
  133. "mathematics"
  134. ],
  135. "unlocked_by": null,
  136. "uuid": "b0da59c6-1b55-405c-b163-007ebf09f5e8"
  137. },
  138. {
  139. "core": true,
  140. "difficulty": 3,
  141. "slug": "secret-handshake",
  142. "topics": null,
  143. "unlocked_by": null,
  144. "uuid": "71c7c174-7e2c-43c2-bdd6-7515fcb12a91"
  145. },
  146. {
  147. "core": false,
  148. "difficulty": 3,
  149. "slug": "perfect-numbers",
  150. "topics": null,
  151. "unlocked_by": "difference-of-squares",
  152. "uuid": "d0dcc898-ec38-4822-9e3c-1a1829c9b2d9"
  153. },
  154. {
  155. "core": false,
  156. "difficulty": 4,
  157. "slug": "sum-of-multiples",
  158. "topics": null,
  159. "unlocked_by": "difference-of-squares",
  160. "uuid": "2f244afc-3e7b-4f89-92af-e2b427f4ef35"
  161. },
  162. {
  163. "core": false,
  164. "difficulty": 4,
  165. "slug": "luhn",
  166. "topics": [
  167. "algorithms",
  168. "booleans",
  169. "loops",
  170. "mathematics",
  171. "strings",
  172. "type_conversion"
  173. ],
  174. "unlocked_by": "hamming",
  175. "uuid": "5227a76c-8ecb-4e5f-b023-6af65a057c41"
  176. },
  177. {
  178. "core": true,
  179. "difficulty": 4,
  180. "slug": "matrix",
  181. "topics": null,
  182. "unlocked_by": null,
  183. "uuid": "c1d4e0b4-6a0f-4be9-8222-345966621f53"
  184. },
  185. {
  186. "core": true,
  187. "difficulty": 4,
  188. "slug": "triangle",
  189. "topics": null,
  190. "unlocked_by": null,
  191. "uuid": "ec268d8e-997b-4553-8c67-8bdfa1ecb888"
  192. },
  193. {
  194. "core": false,
  195. "difficulty": 4,
  196. "slug": "largest-series-product",
  197. "topics": [
  198. "loops",
  199. "type_conversion",
  200. "integers",
  201. "strings",
  202. "mathematics"
  203. ],
  204. "unlocked_by": "hamming",
  205. "uuid": "b7310b6e-435c-4d5f-b2bd-31e586d0f238"
  206. },
  207. {
  208. "core": false,
  209. "difficulty": 4,
  210. "slug": "sieve",
  211. "topics": null,
  212. "unlocked_by": "difference-of-squares",
  213. "uuid": "6791d01f-bae4-4b63-ae76-86529ac49e36"
  214. },
  215. {
  216. "core": false,
  217. "difficulty": 4,
  218. "slug": "twelve-days",
  219. "topics": [
  220. "strings",
  221. "arrays",
  222. "conditionals",
  223. "loops"
  224. ],
  225. "unlocked_by": "two-fer",
  226. "uuid": "581afdbb-dfb6-4dc5-9554-a025b5469a3c"
  227. },
  228. {
  229. "core": true,
  230. "difficulty": 4,
  231. "slug": "rotational-cipher",
  232. "topics": null,
  233. "unlocked_by": null,
  234. "uuid": "9eb41883-55ef-4681-b5ac-5c2259302772"
  235. },
  236. {
  237. "core": false,
  238. "difficulty": 4,
  239. "slug": "kindergarten-garden",
  240. "topics": null,
  241. "unlocked_by": "matrix",
  242. "uuid": "0b92ffee-c092-4ab1-ad78-76c8cf80e1b5"
  243. },
  244. {
  245. "core": false,
  246. "difficulty": 4,
  247. "slug": "collatz-conjecture",
  248. "topics": null,
  249. "unlocked_by": "triangle",
  250. "uuid": "1500d39a-c9d9-4d3a-9e77-fdc1837fc6ad"
  251. },
  252. {
  253. "core": false,
  254. "difficulty": 4,
  255. "slug": "nth-prime",
  256. "topics": null,
  257. "unlocked_by": "triangle",
  258. "uuid": "2c69db99-648d-4bd7-8012-1fbdeff6ca0a"
  259. },
  260. {
  261. "core": true,
  262. "difficulty": 4,
  263. "slug": "saddle-points",
  264. "topics": null,
  265. "unlocked_by": null,
  266. "uuid": "8dfc2f0d-1141-46e9-95e2-6f35ccf6f160"
  267. },
  268. {
  269. "core": false,
  270. "difficulty": 4,
  271. "slug": "diamond",
  272. "topics": [
  273. "strings",
  274. "loops",
  275. "arrays",
  276. "lists",
  277. "text_formatting"
  278. ],
  279. "unlocked_by": "two-fer",
  280. "uuid": "ecbd997b-86f4-4e11-9ff0-706ac2899415"
  281. },
  282. {
  283. "core": false,
  284. "difficulty": 4,
  285. "slug": "isogram",
  286. "topics": [
  287. "conditionals",
  288. "loops",
  289. "parsing",
  290. "strings"
  291. ],
  292. "unlocked_by": "hello-world",
  293. "uuid": "c3e89c7c-3a8a-4ddc-b653-9b0ff9e1d7d8"
  294. },
  295. {
  296. "core": true,
  297. "difficulty": 5,
  298. "slug": "flatten-array",
  299. "topics": null,
  300. "unlocked_by": null,
  301. "uuid": "a732a838-8170-458a-a85e-d6b4c46f97a1"
  302. },
  303. {
  304. "core": false,
  305. "difficulty": 5,
  306. "slug": "pig-latin",
  307. "topics": [
  308. "arrays",
  309. "lists",
  310. "strings",
  311. "transforming"
  312. ],
  313. "unlocked_by": "hello-world",
  314. "uuid": "38bc80ae-d842-4c04-a797-48edf322504d"
  315. },
  316. {
  317. "core": false,
  318. "difficulty": 5,
  319. "slug": "phone-number",
  320. "topics": [
  321. "conditionals",
  322. "pattern_matching",
  323. "strings",
  324. "regular_expressions"
  325. ],
  326. "unlocked_by": "hamming",
  327. "uuid": "5f9139e7-9fbb-496a-a0d7-a946283033de"
  328. },
  329. {
  330. "core": false,
  331. "difficulty": 5,
  332. "slug": "nucleotide-count",
  333. "topics": [
  334. "conditionals",
  335. "exception_handling",
  336. "integers",
  337. "maps",
  338. "parsing",
  339. "searching",
  340. "strings"
  341. ],
  342. "unlocked_by": "hamming",
  343. "uuid": "2d80fdfc-5bd7-4b67-9fbe-8ab820d89051"
  344. },
  345. {
  346. "core": true,
  347. "difficulty": 5,
  348. "slug": "word-count",
  349. "topics": null,
  350. "unlocked_by": null,
  351. "uuid": "3603b770-87a5-4758-91f3-b4d1f9075bc1"
  352. },
  353. {
  354. "core": false,
  355. "difficulty": 5,
  356. "slug": "run-length-encoding",
  357. "topics": null,
  358. "unlocked_by": "rotational-cipher",
  359. "uuid": "4499a3f9-73a7-48bf-8753-d5b6abf588c9"
  360. },
  361. {
  362. "core": true,
  363. "difficulty": 5,
  364. "slug": "robot-name",
  365. "topics": null,
  366. "unlocked_by": null,
  367. "uuid": "d7c2eed9-64c7-4c4a-b45d-c787d460337f"
  368. },
  369. {
  370. "core": false,
  371. "difficulty": 5,
  372. "slug": "prime-factors",
  373. "topics": null,
  374. "unlocked_by": "triangle",
  375. "uuid": "599c08ec-7338-46ed-99f8-a76f78f724e6"
  376. },
  377. {
  378. "core": false,
  379. "difficulty": 5,
  380. "slug": "allergies",
  381. "topics": [
  382. "booleans",
  383. "conditionals",
  384. "enumerations",
  385. "integers",
  386. "lists",
  387. "loops"
  388. ],
  389. "unlocked_by": "gigasecond",
  390. "uuid": "6a617ddb-04e3-451c-bb30-27ccd0be9125"
  391. },
  392. {
  393. "core": false,
  394. "difficulty": 5,
  395. "slug": "bob",
  396. "topics": [
  397. "booleans",
  398. "conditionals",
  399. "strings"
  400. ],
  401. "unlocked_by": "two-fer",
  402. "uuid": "34cd328c-cd96-492b-abd4-2b8716cdcd9a"
  403. },
  404. {
  405. "core": false,
  406. "difficulty": 5,
  407. "slug": "pascals-triangle",
  408. "topics": [
  409. "arrays",
  410. "matrices",
  411. "algorithms",
  412. "mathematics",
  413. "exception_handling",
  414. "integers"
  415. ],
  416. "unlocked_by": "matrix",
  417. "uuid": "d2a76905-1c8c-4b03-b4f7-4fbff19329f3"
  418. },
  419. {
  420. "core": false,
  421. "difficulty": 5,
  422. "slug": "bracket-push",
  423. "topics": null,
  424. "unlocked_by": "flatten-array",
  425. "uuid": "85aa50ac-0141-49eb-bc6f-62f3f7a97647"
  426. },
  427. {
  428. "core": false,
  429. "difficulty": 5,
  430. "slug": "series",
  431. "topics": [
  432. "conditionals",
  433. "lists",
  434. "loops",
  435. "strings",
  436. "type_conversion"
  437. ],
  438. "unlocked_by": "hamming",
  439. "uuid": "af80d7f4-c7d0-4d0b-9c30-09da120f6bb9"
  440. },
  441. {
  442. "core": false,
  443. "difficulty": 5,
  444. "slug": "atbash-cipher",
  445. "topics": null,
  446. "unlocked_by": "rotational-cipher",
  447. "uuid": "d36ce010-210f-4e9a-9d6c-cb933e0a59af"
  448. },
  449. {
  450. "core": false,
  451. "difficulty": 6,
  452. "slug": "spiral-matrix",
  453. "topics": null,
  454. "unlocked_by": "matrix",
  455. "uuid": "163fcc6b-c054-4232-a88b-0aded846a6eb"
  456. },
  457. {
  458. "core": false,
  459. "difficulty": 6,
  460. "slug": "roman-numerals",
  461. "topics": [
  462. "logic",
  463. "mathematics",
  464. "loops",
  465. "integers",
  466. "strings",
  467. "maps"
  468. ],
  469. "unlocked_by": "hamming",
  470. "uuid": "3e728cd4-5e5f-4c69-8a53-bc36d020fcdb"
  471. },
  472. {
  473. "core": false,
  474. "difficulty": 6,
  475. "slug": "transpose",
  476. "topics": [
  477. "loops",
  478. "arrays",
  479. "lists",
  480. "matrices",
  481. "strings",
  482. "text_formatting"
  483. ],
  484. "unlocked_by": "matrix",
  485. "uuid": "57b76837-4610-466f-9373-d5c2697625f1"
  486. },
  487. {
  488. "core": false,
  489. "difficulty": 6,
  490. "slug": "house",
  491. "topics": null,
  492. "unlocked_by": "two-fer",
  493. "uuid": "6b51aca3-3451-4a64-ad7b-00b151d7548a"
  494. },
  495. {
  496. "core": false,
  497. "difficulty": 6,
  498. "slug": "food-chain",
  499. "topics": [
  500. "arrays",
  501. "lists",
  502. "strings"
  503. ],
  504. "unlocked_by": "two-fer",
  505. "uuid": "dd3e6fd6-5359-4978-acd7-c39374cead4d"
  506. },
  507. {
  508. "core": false,
  509. "difficulty": 6,
  510. "slug": "beer-song",
  511. "topics": [
  512. "strings",
  513. "loops",
  514. "variables",
  515. "text_formatting",
  516. "conditionals"
  517. ],
  518. "unlocked_by": "two-fer",
  519. "uuid": "56943095-de76-40bf-b42b-fa3e70f8df5e"
  520. },
  521. {
  522. "core": false,
  523. "difficulty": 6,
  524. "slug": "queen-attack",
  525. "topics": [
  526. "arrays",
  527. "matrices",
  528. "conditionals",
  529. "classes",
  530. "games",
  531. "mathematics"
  532. ],
  533. "unlocked_by": "scrabble-score",
  534. "uuid": "5404109e-3ed9-4691-8eaf-af8b36024a44"
  535. },
  536. {
  537. "core": false,
  538. "difficulty": 6,
  539. "slug": "etl",
  540. "topics": null,
  541. "unlocked_by": "word-count",
  542. "uuid": "76d28d97-75d3-47eb-bb77-3d347b76f1b6"
  543. },
  544. {
  545. "core": true,
  546. "difficulty": 6,
  547. "slug": "linked-list",
  548. "topics": null,
  549. "unlocked_by": null,
  550. "uuid": "7ba5084d-3b75-4406-a0d7-87c26387f9c0"
  551. },
  552. {
  553. "core": false,
  554. "difficulty": 6,
  555. "slug": "grade-school",
  556. "topics": null,
  557. "unlocked_by": "word-count",
  558. "uuid": "b4af5da1-601f-4b0f-bfb8-4a381851090c"
  559. },
  560. {
  561. "core": false,
  562. "difficulty": 6,
  563. "slug": "robot-simulator",
  564. "topics": null,
  565. "unlocked_by": "secret-handshake",
  566. "uuid": "993bde9d-7774-4e7a-a381-9eee75f28ecb"
  567. },
  568. {
  569. "core": true,
  570. "difficulty": 6,
  571. "slug": "binary-search",
  572. "topics": null,
  573. "unlocked_by": null,
  574. "uuid": "50136dc3-caf7-4fa1-b7bd-0cba1bea9176"
  575. },
  576. {
  577. "core": false,
  578. "difficulty": 6,
  579. "slug": "minesweeper",
  580. "topics": [
  581. "integers",
  582. "matrices",
  583. "games",
  584. "conditionals",
  585. "strings",
  586. "lists"
  587. ],
  588. "unlocked_by": "scrabble-score",
  589. "uuid": "416a1489-12af-4593-8540-0f55285c96b4"
  590. },
  591. {
  592. "core": false,
  593. "difficulty": 6,
  594. "slug": "wordy",
  595. "topics": null,
  596. "unlocked_by": "secret-handshake",
  597. "uuid": "3310a3cd-c0cb-45fa-8c51-600178be904a"
  598. },
  599. {
  600. "core": false,
  601. "difficulty": 6,
  602. "slug": "all-your-base",
  603. "topics": null,
  604. "unlocked_by": "saddle-points",
  605. "uuid": "f7c2e4b5-1995-4dfe-b827-c9aff8ac5332"
  606. },
  607. {
  608. "core": true,
  609. "difficulty": 6,
  610. "slug": "bank-account",
  611. "topics": null,
  612. "unlocked_by": null,
  613. "uuid": "a242efc5-159d-492b-861d-12a1459fb334"
  614. },
  615. {
  616. "core": false,
  617. "difficulty": 6,
  618. "slug": "bowling",
  619. "topics": null,
  620. "unlocked_by": "scrabble-score",
  621. "uuid": "4b3f7771-c642-4278-a3d9-2fb958f26361"
  622. },
  623. {
  624. "core": false,
  625. "difficulty": 7,
  626. "slug": "anagram",
  627. "topics": [
  628. "arrays",
  629. "conditionals",
  630. "equality",
  631. "lists",
  632. "loops",
  633. "strings"
  634. ],
  635. "unlocked_by": "hello-world",
  636. "uuid": "fb10dc2f-0ba1-44b6-8365-5e48e86d1283"
  637. },
  638. {
  639. "core": false,
  640. "difficulty": 7,
  641. "slug": "sublist",
  642. "topics": null,
  643. "unlocked_by": "linked-list",
  644. "uuid": "d2aedbd7-092a-43d0-8a5e-ae3ebd5b9c7f"
  645. },
  646. {
  647. "core": false,
  648. "difficulty": 7,
  649. "slug": "word-search",
  650. "topics": [
  651. "strings",
  652. "games",
  653. "logic",
  654. "matrices",
  655. "searching",
  656. "pattern_matching"
  657. ],
  658. "unlocked_by": "scrabble-score",
  659. "uuid": "b53bde52-cb5f-4d43-86ec-18aa509d62f9"
  660. },
  661. {
  662. "core": false,
  663. "difficulty": 7,
  664. "slug": "simple-linked-list",
  665. "topics": null,
  666. "unlocked_by": "linked-list",
  667. "uuid": "e3e5ffe5-cfc1-467e-a28a-da0302130144"
  668. },
  669. {
  670. "core": false,
  671. "difficulty": 7,
  672. "slug": "binary-search-tree",
  673. "topics": null,
  674. "unlocked_by": "binary-search",
  675. "uuid": "0a2d18aa-7b5e-4401-a952-b93d2060694f"
  676. },
  677. {
  678. "core": false,
  679. "difficulty": 7,
  680. "slug": "meetup",
  681. "topics": null,
  682. "unlocked_by": "gigasecond",
  683. "uuid": "602511d5-7e89-4def-b072-4dd311816810"
  684. },
  685. {
  686. "core": false,
  687. "difficulty": 7,
  688. "slug": "crypto-square",
  689. "topics": null,
  690. "unlocked_by": "rotational-cipher",
  691. "uuid": "162bebdc-9bf2-43c0-8460-a91f5fc16147"
  692. },
  693. {
  694. "core": false,
  695. "difficulty": 7,
  696. "slug": "poker",
  697. "topics": [
  698. "games",
  699. "parsing",
  700. "sorting"
  701. ],
  702. "unlocked_by": "scrabble-score",
  703. "uuid": "57eeac00-741c-4843-907a-51f0ac5ea4cb"
  704. },
  705. {
  706. "core": false,
  707. "difficulty": 7,
  708. "slug": "clock",
  709. "topics": null,
  710. "unlocked_by": "saddle-points",
  711. "uuid": "97c8fcd4-85b6-41cb-9de2-b4e1b4951222"
  712. },
  713. {
  714. "core": false,
  715. "difficulty": 8,
  716. "slug": "ocr-numbers",
  717. "topics": null,
  718. "unlocked_by": "robot-name",
  719. "uuid": "5cbc6a67-3a53-4aad-ae68-ff469525437f"
  720. },
  721. {
  722. "core": false,
  723. "difficulty": 8,
  724. "slug": "circular-buffer",
  725. "topics": [
  726. "classes",
  727. "exception_handling",
  728. "queues"
  729. ],
  730. "unlocked_by": "linked-list",
  731. "uuid": "626dc25a-062c-4053-a8c1-788e4dc44ca0"
  732. },
  733. {
  734. "core": false,
  735. "difficulty": 8,
  736. "slug": "rectangles",
  737. "topics": null,
  738. "unlocked_by": "robot-name",
  739. "uuid": "64cda115-919a-4eef-9a45-9ec5d1af98cc"
  740. },
  741. {
  742. "core": false,
  743. "difficulty": 8,
  744. "slug": "book-store",
  745. "topics": null,
  746. "unlocked_by": "flatten-array",
  747. "uuid": "e5f05d00-fe5b-4d78-b2fa-934c1c9afb32"
  748. },
  749. {
  750. "core": false,
  751. "difficulty": 8,
  752. "slug": "simple-cipher",
  753. "topics": null,
  754. "unlocked_by": "rotational-cipher",
  755. "uuid": "f654831f-c34b-44f5-9dd5-054efbb486f2"
  756. },
  757. {
  758. "core": false,
  759. "difficulty": 8,
  760. "slug": "complex-numbers",
  761. "topics": null,
  762. "unlocked_by": "triangle",
  763. "uuid": "52d11278-0d65-4b5b-b387-1374fced3243"
  764. },
  765. {
  766. "core": false,
  767. "difficulty": 8,
  768. "slug": "list-ops",
  769. "topics": null,
  770. "unlocked_by": "linked-list",
  771. "uuid": "a9836565-5c39-4285-b83a-53408be36ccc"
  772. },
  773. {
  774. "core": false,
  775. "difficulty": 8,
  776. "slug": "change",
  777. "topics": null,
  778. "unlocked_by": "flatten-array",
  779. "uuid": "bac1f4bc-eea9-43c1-8e95-097347f5925e"
  780. },
  781. {
  782. "core": false,
  783. "difficulty": 8,
  784. "slug": "palindrome-products",
  785. "topics": null,
  786. "unlocked_by": "saddle-points",
  787. "uuid": "873c05de-b5f5-4c5b-97f0-d1ede8a82832"
  788. },
  789. {
  790. "core": false,
  791. "difficulty": 9,
  792. "slug": "pythagorean-triplet",
  793. "topics": null,
  794. "unlocked_by": "triangle",
  795. "uuid": "88505f95-89e5-4a08-8ed2-208eb818cdf1"
  796. },
  797. {
  798. "core": false,
  799. "difficulty": 9,
  800. "slug": "forth",
  801. "topics": null,
  802. "unlocked_by": "secret-handshake",
  803. "uuid": "f0c0316d-3fb5-455e-952a-91161e7fb298"
  804. },
  805. {
  806. "core": false,
  807. "difficulty": 10,
  808. "slug": "custom-set",
  809. "topics": null,
  810. "unlocked_by": "linked-list",
  811. "uuid": "377fe38b-08ad-4f3a-8118-a43c10f7b9b2"
  812. },
  813. {
  814. "deprecated": true,
  815. "slug": "accumulate",
  816. "uuid": "e58c29d2-80a7-40ef-bed0-4a184ae35f34"
  817. },
  818. {
  819. "deprecated": true,
  820. "slug": "binary",
  821. "uuid": "9ea6e0fa-b91d-4d17-ac8f-6d2dc30fdd44"
  822. },
  823. {
  824. "deprecated": true,
  825. "slug": "hexadecimal",
  826. "uuid": "6fe53a08-c123-465d-864a-ef18217203c4"
  827. },
  828. {
  829. "deprecated": true,
  830. "slug": "octal",
  831. "uuid": "14a29e82-f9b1-4662-b678-06992e306c01"
  832. },
  833. {
  834. "deprecated": true,
  835. "slug": "strain",
  836. "uuid": "2d195cd9-1814-490a-8dd6-a2c676f1d4cd"
  837. },
  838. {
  839. "deprecated": true,
  840. "slug": "trinary",
  841. "uuid": "ee3a8abe-6b19-4b47-9cf6-4d39ae915fb7"
  842. }
  843. ],
  844. "foregone": [
  845. "leap",
  846. "grains",
  847. "say"
  848. ],
  849. "language": "Java",
  850. "solution_pattern": "reference"
  851. }