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

config.json 21KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962
  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": [
  143. "loops",
  144. "conditionals",
  145. "integers",
  146. "mathematics",
  147. "transforming",
  148. "cryptography",
  149. "enumerations",
  150. "bitwise_operations"
  151. ],
  152. "unlocked_by": null,
  153. "uuid": "71c7c174-7e2c-43c2-bdd6-7515fcb12a91"
  154. },
  155. {
  156. "core": false,
  157. "difficulty": 3,
  158. "slug": "perfect-numbers",
  159. "topics": [
  160. "integers",
  161. "mathematics",
  162. "exception_handling",
  163. "enumerations",
  164. "filtering"
  165. ],
  166. "unlocked_by": "difference-of-squares",
  167. "uuid": "d0dcc898-ec38-4822-9e3c-1a1829c9b2d9"
  168. },
  169. {
  170. "core": false,
  171. "difficulty": 4,
  172. "slug": "sum-of-multiples",
  173. "topics": [
  174. "loops",
  175. "integers",
  176. "arrays",
  177. "conditionals",
  178. "mathematics"
  179. ],
  180. "unlocked_by": "difference-of-squares",
  181. "uuid": "2f244afc-3e7b-4f89-92af-e2b427f4ef35"
  182. },
  183. {
  184. "core": false,
  185. "difficulty": 4,
  186. "slug": "luhn",
  187. "topics": [
  188. "algorithms",
  189. "booleans",
  190. "loops",
  191. "mathematics",
  192. "strings",
  193. "type_conversion"
  194. ],
  195. "unlocked_by": "hamming",
  196. "uuid": "5227a76c-8ecb-4e5f-b023-6af65a057c41"
  197. },
  198. {
  199. "core": true,
  200. "difficulty": 4,
  201. "slug": "matrix",
  202. "topics": [
  203. "loops",
  204. "arrays",
  205. "pattern_matching",
  206. "integers",
  207. "strings",
  208. "type_conversion"
  209. ],
  210. "unlocked_by": null,
  211. "uuid": "c1d4e0b4-6a0f-4be9-8222-345966621f53"
  212. },
  213. {
  214. "core": true,
  215. "difficulty": 4,
  216. "slug": "triangle",
  217. "topics": null,
  218. "unlocked_by": null,
  219. "uuid": "ec268d8e-997b-4553-8c67-8bdfa1ecb888"
  220. },
  221. {
  222. "core": false,
  223. "difficulty": 4,
  224. "slug": "largest-series-product",
  225. "topics": [
  226. "loops",
  227. "type_conversion",
  228. "integers",
  229. "strings",
  230. "mathematics"
  231. ],
  232. "unlocked_by": "hamming",
  233. "uuid": "b7310b6e-435c-4d5f-b2bd-31e586d0f238"
  234. },
  235. {
  236. "core": false,
  237. "difficulty": 4,
  238. "slug": "sieve",
  239. "topics": [
  240. "loops",
  241. "lists",
  242. "integers",
  243. "algorithms",
  244. "mathematics"
  245. ],
  246. "unlocked_by": "difference-of-squares",
  247. "uuid": "6791d01f-bae4-4b63-ae76-86529ac49e36"
  248. },
  249. {
  250. "core": false,
  251. "difficulty": 4,
  252. "slug": "twelve-days",
  253. "topics": [
  254. "strings",
  255. "arrays",
  256. "conditionals",
  257. "loops"
  258. ],
  259. "unlocked_by": "two-fer",
  260. "uuid": "581afdbb-dfb6-4dc5-9554-a025b5469a3c"
  261. },
  262. {
  263. "core": true,
  264. "difficulty": 4,
  265. "slug": "rotational-cipher",
  266. "topics": null,
  267. "unlocked_by": null,
  268. "uuid": "9eb41883-55ef-4681-b5ac-5c2259302772"
  269. },
  270. {
  271. "core": false,
  272. "difficulty": 4,
  273. "slug": "kindergarten-garden",
  274. "topics": [
  275. "loops",
  276. "arrays",
  277. "strings",
  278. "logic",
  279. "pattern_recognition",
  280. "enumerations",
  281. "lists"
  282. ],
  283. "unlocked_by": "matrix",
  284. "uuid": "0b92ffee-c092-4ab1-ad78-76c8cf80e1b5"
  285. },
  286. {
  287. "core": false,
  288. "difficulty": 4,
  289. "slug": "collatz-conjecture",
  290. "topics": [
  291. "exception_handling",
  292. "recursion",
  293. "conditionals",
  294. "integers",
  295. "mathematics"
  296. ],
  297. "unlocked_by": "triangle",
  298. "uuid": "1500d39a-c9d9-4d3a-9e77-fdc1837fc6ad"
  299. },
  300. {
  301. "core": false,
  302. "difficulty": 4,
  303. "slug": "nth-prime",
  304. "topics": [
  305. "arrays",
  306. "exception_handling",
  307. "lists",
  308. "loops",
  309. "integers"
  310. ],
  311. "unlocked_by": "triangle",
  312. "uuid": "2c69db99-648d-4bd7-8012-1fbdeff6ca0a"
  313. },
  314. {
  315. "core": true,
  316. "difficulty": 4,
  317. "slug": "saddle-points",
  318. "topics": null,
  319. "unlocked_by": null,
  320. "uuid": "8dfc2f0d-1141-46e9-95e2-6f35ccf6f160"
  321. },
  322. {
  323. "core": false,
  324. "difficulty": 4,
  325. "slug": "diamond",
  326. "topics": [
  327. "strings",
  328. "loops",
  329. "arrays",
  330. "lists",
  331. "text_formatting"
  332. ],
  333. "unlocked_by": "two-fer",
  334. "uuid": "ecbd997b-86f4-4e11-9ff0-706ac2899415"
  335. },
  336. {
  337. "core": false,
  338. "difficulty": 4,
  339. "slug": "isogram",
  340. "topics": [
  341. "conditionals",
  342. "loops",
  343. "parsing",
  344. "strings"
  345. ],
  346. "unlocked_by": "hello-world",
  347. "uuid": "c3e89c7c-3a8a-4ddc-b653-9b0ff9e1d7d8"
  348. },
  349. {
  350. "core": true,
  351. "difficulty": 5,
  352. "slug": "flatten-array",
  353. "topics": [
  354. "arrays",
  355. "lists",
  356. "loops",
  357. "recursion"
  358. ],
  359. "unlocked_by": null,
  360. "uuid": "a732a838-8170-458a-a85e-d6b4c46f97a1"
  361. },
  362. {
  363. "core": false,
  364. "difficulty": 5,
  365. "slug": "pig-latin",
  366. "topics": [
  367. "arrays",
  368. "lists",
  369. "strings",
  370. "transforming"
  371. ],
  372. "unlocked_by": "hello-world",
  373. "uuid": "38bc80ae-d842-4c04-a797-48edf322504d"
  374. },
  375. {
  376. "core": false,
  377. "difficulty": 5,
  378. "slug": "phone-number",
  379. "topics": [
  380. "conditionals",
  381. "pattern_matching",
  382. "strings",
  383. "regular_expressions"
  384. ],
  385. "unlocked_by": "hamming",
  386. "uuid": "5f9139e7-9fbb-496a-a0d7-a946283033de"
  387. },
  388. {
  389. "core": false,
  390. "difficulty": 5,
  391. "slug": "nucleotide-count",
  392. "topics": [
  393. "conditionals",
  394. "exception_handling",
  395. "integers",
  396. "maps",
  397. "parsing",
  398. "searching",
  399. "strings"
  400. ],
  401. "unlocked_by": "hamming",
  402. "uuid": "2d80fdfc-5bd7-4b67-9fbe-8ab820d89051"
  403. },
  404. {
  405. "core": true,
  406. "difficulty": 5,
  407. "slug": "word-count",
  408. "topics": null,
  409. "unlocked_by": null,
  410. "uuid": "3603b770-87a5-4758-91f3-b4d1f9075bc1"
  411. },
  412. {
  413. "core": false,
  414. "difficulty": 5,
  415. "slug": "run-length-encoding",
  416. "topics": null,
  417. "unlocked_by": "rotational-cipher",
  418. "uuid": "4499a3f9-73a7-48bf-8753-d5b6abf588c9"
  419. },
  420. {
  421. "core": true,
  422. "difficulty": 5,
  423. "slug": "robot-name",
  424. "topics": null,
  425. "unlocked_by": null,
  426. "uuid": "d7c2eed9-64c7-4c4a-b45d-c787d460337f"
  427. },
  428. {
  429. "core": false,
  430. "difficulty": 5,
  431. "slug": "prime-factors",
  432. "topics": [
  433. "arrays",
  434. "conditionals",
  435. "integers",
  436. "lists",
  437. "loops",
  438. "mathematics"
  439. ],
  440. "unlocked_by": "triangle",
  441. "uuid": "599c08ec-7338-46ed-99f8-a76f78f724e6"
  442. },
  443. {
  444. "core": false,
  445. "difficulty": 5,
  446. "slug": "allergies",
  447. "topics": [
  448. "booleans",
  449. "conditionals",
  450. "enumerations",
  451. "integers",
  452. "lists",
  453. "loops"
  454. ],
  455. "unlocked_by": "gigasecond",
  456. "uuid": "6a617ddb-04e3-451c-bb30-27ccd0be9125"
  457. },
  458. {
  459. "core": false,
  460. "difficulty": 5,
  461. "slug": "bob",
  462. "topics": [
  463. "booleans",
  464. "conditionals",
  465. "strings"
  466. ],
  467. "unlocked_by": "two-fer",
  468. "uuid": "34cd328c-cd96-492b-abd4-2b8716cdcd9a"
  469. },
  470. {
  471. "core": false,
  472. "difficulty": 5,
  473. "slug": "pascals-triangle",
  474. "topics": [
  475. "arrays",
  476. "matrices",
  477. "algorithms",
  478. "mathematics",
  479. "exception_handling",
  480. "integers"
  481. ],
  482. "unlocked_by": "matrix",
  483. "uuid": "d2a76905-1c8c-4b03-b4f7-4fbff19329f3"
  484. },
  485. {
  486. "core": false,
  487. "difficulty": 5,
  488. "slug": "bracket-push",
  489. "topics": null,
  490. "unlocked_by": "flatten-array",
  491. "uuid": "85aa50ac-0141-49eb-bc6f-62f3f7a97647"
  492. },
  493. {
  494. "core": false,
  495. "difficulty": 5,
  496. "slug": "series",
  497. "topics": [
  498. "conditionals",
  499. "lists",
  500. "loops",
  501. "strings",
  502. "type_conversion"
  503. ],
  504. "unlocked_by": "hamming",
  505. "uuid": "af80d7f4-c7d0-4d0b-9c30-09da120f6bb9"
  506. },
  507. {
  508. "core": false,
  509. "difficulty": 5,
  510. "slug": "atbash-cipher",
  511. "topics": null,
  512. "unlocked_by": "rotational-cipher",
  513. "uuid": "d36ce010-210f-4e9a-9d6c-cb933e0a59af"
  514. },
  515. {
  516. "core": false,
  517. "difficulty": 6,
  518. "slug": "spiral-matrix",
  519. "topics": null,
  520. "unlocked_by": "matrix",
  521. "uuid": "163fcc6b-c054-4232-a88b-0aded846a6eb"
  522. },
  523. {
  524. "core": false,
  525. "difficulty": 6,
  526. "slug": "roman-numerals",
  527. "topics": [
  528. "logic",
  529. "mathematics",
  530. "loops",
  531. "integers",
  532. "strings",
  533. "maps"
  534. ],
  535. "unlocked_by": "hamming",
  536. "uuid": "3e728cd4-5e5f-4c69-8a53-bc36d020fcdb"
  537. },
  538. {
  539. "core": false,
  540. "difficulty": 6,
  541. "slug": "transpose",
  542. "topics": [
  543. "loops",
  544. "arrays",
  545. "lists",
  546. "matrices",
  547. "strings",
  548. "text_formatting"
  549. ],
  550. "unlocked_by": "matrix",
  551. "uuid": "57b76837-4610-466f-9373-d5c2697625f1"
  552. },
  553. {
  554. "core": false,
  555. "difficulty": 6,
  556. "slug": "house",
  557. "topics": null,
  558. "unlocked_by": "two-fer",
  559. "uuid": "6b51aca3-3451-4a64-ad7b-00b151d7548a"
  560. },
  561. {
  562. "core": false,
  563. "difficulty": 6,
  564. "slug": "food-chain",
  565. "topics": [
  566. "arrays",
  567. "lists",
  568. "strings"
  569. ],
  570. "unlocked_by": "two-fer",
  571. "uuid": "dd3e6fd6-5359-4978-acd7-c39374cead4d"
  572. },
  573. {
  574. "core": false,
  575. "difficulty": 6,
  576. "slug": "beer-song",
  577. "topics": [
  578. "strings",
  579. "loops",
  580. "variables",
  581. "text_formatting",
  582. "conditionals"
  583. ],
  584. "unlocked_by": "two-fer",
  585. "uuid": "56943095-de76-40bf-b42b-fa3e70f8df5e"
  586. },
  587. {
  588. "core": false,
  589. "difficulty": 6,
  590. "slug": "queen-attack",
  591. "topics": [
  592. "arrays",
  593. "matrices",
  594. "conditionals",
  595. "classes",
  596. "games",
  597. "mathematics"
  598. ],
  599. "unlocked_by": "scrabble-score",
  600. "uuid": "5404109e-3ed9-4691-8eaf-af8b36024a44"
  601. },
  602. {
  603. "core": false,
  604. "difficulty": 6,
  605. "slug": "etl",
  606. "topics": null,
  607. "unlocked_by": "word-count",
  608. "uuid": "76d28d97-75d3-47eb-bb77-3d347b76f1b6"
  609. },
  610. {
  611. "core": true,
  612. "difficulty": 6,
  613. "slug": "linked-list",
  614. "topics": null,
  615. "unlocked_by": null,
  616. "uuid": "7ba5084d-3b75-4406-a0d7-87c26387f9c0"
  617. },
  618. {
  619. "core": false,
  620. "difficulty": 6,
  621. "slug": "grade-school",
  622. "topics": null,
  623. "unlocked_by": "word-count",
  624. "uuid": "b4af5da1-601f-4b0f-bfb8-4a381851090c"
  625. },
  626. {
  627. "core": false,
  628. "difficulty": 6,
  629. "slug": "robot-simulator",
  630. "topics": [
  631. "classes",
  632. "logic",
  633. "loops",
  634. "enumerations"
  635. ],
  636. "unlocked_by": "secret-handshake",
  637. "uuid": "993bde9d-7774-4e7a-a381-9eee75f28ecb"
  638. },
  639. {
  640. "core": true,
  641. "difficulty": 6,
  642. "slug": "binary-search",
  643. "topics": null,
  644. "unlocked_by": null,
  645. "uuid": "50136dc3-caf7-4fa1-b7bd-0cba1bea9176"
  646. },
  647. {
  648. "core": false,
  649. "difficulty": 6,
  650. "slug": "minesweeper",
  651. "topics": [
  652. "integers",
  653. "matrices",
  654. "games",
  655. "conditionals",
  656. "strings",
  657. "lists"
  658. ],
  659. "unlocked_by": "scrabble-score",
  660. "uuid": "416a1489-12af-4593-8540-0f55285c96b4"
  661. },
  662. {
  663. "core": false,
  664. "difficulty": 6,
  665. "slug": "wordy",
  666. "topics": [
  667. "strings",
  668. "integers",
  669. "logic",
  670. "parsing",
  671. "pattern_matching",
  672. "regular_expressions",
  673. "transforming",
  674. "exception_handling"
  675. ],
  676. "unlocked_by": "secret-handshake",
  677. "uuid": "3310a3cd-c0cb-45fa-8c51-600178be904a"
  678. },
  679. {
  680. "core": false,
  681. "difficulty": 6,
  682. "slug": "all-your-base",
  683. "topics": null,
  684. "unlocked_by": "saddle-points",
  685. "uuid": "f7c2e4b5-1995-4dfe-b827-c9aff8ac5332"
  686. },
  687. {
  688. "core": true,
  689. "difficulty": 6,
  690. "slug": "bank-account",
  691. "topics": null,
  692. "unlocked_by": null,
  693. "uuid": "a242efc5-159d-492b-861d-12a1459fb334"
  694. },
  695. {
  696. "core": false,
  697. "difficulty": 6,
  698. "slug": "bowling",
  699. "topics": null,
  700. "unlocked_by": "scrabble-score",
  701. "uuid": "4b3f7771-c642-4278-a3d9-2fb958f26361"
  702. },
  703. {
  704. "core": false,
  705. "difficulty": 6,
  706. "slug": "tournament",
  707. "topics": [
  708. "loops",
  709. "maps",
  710. "sorting",
  711. "parsing",
  712. "text_formatting"
  713. ],
  714. "unlocked_by": "matrix",
  715. "uuid": "99191d53-0fed-f680-de7a-55cfb872de17bc58629"
  716. },
  717. {
  718. "core": false,
  719. "difficulty": 7,
  720. "slug": "anagram",
  721. "topics": [
  722. "arrays",
  723. "conditionals",
  724. "equality",
  725. "lists",
  726. "loops",
  727. "strings"
  728. ],
  729. "unlocked_by": "hello-world",
  730. "uuid": "fb10dc2f-0ba1-44b6-8365-5e48e86d1283"
  731. },
  732. {
  733. "core": false,
  734. "difficulty": 7,
  735. "slug": "sublist",
  736. "topics": null,
  737. "unlocked_by": "linked-list",
  738. "uuid": "d2aedbd7-092a-43d0-8a5e-ae3ebd5b9c7f"
  739. },
  740. {
  741. "core": false,
  742. "difficulty": 7,
  743. "slug": "word-search",
  744. "topics": [
  745. "strings",
  746. "games",
  747. "logic",
  748. "matrices",
  749. "searching",
  750. "pattern_matching"
  751. ],
  752. "unlocked_by": "scrabble-score",
  753. "uuid": "b53bde52-cb5f-4d43-86ec-18aa509d62f9"
  754. },
  755. {
  756. "core": false,
  757. "difficulty": 7,
  758. "slug": "simple-linked-list",
  759. "topics": null,
  760. "unlocked_by": "linked-list",
  761. "uuid": "e3e5ffe5-cfc1-467e-a28a-da0302130144"
  762. },
  763. {
  764. "core": false,
  765. "difficulty": 7,
  766. "slug": "binary-search-tree",
  767. "topics": null,
  768. "unlocked_by": "binary-search",
  769. "uuid": "0a2d18aa-7b5e-4401-a952-b93d2060694f"
  770. },
  771. {
  772. "core": false,
  773. "difficulty": 7,
  774. "slug": "meetup",
  775. "topics": [
  776. "conditionals",
  777. "dates",
  778. "loops",
  779. "enumerations"
  780. ],
  781. "unlocked_by": "gigasecond",
  782. "uuid": "602511d5-7e89-4def-b072-4dd311816810"
  783. },
  784. {
  785. "core": false,
  786. "difficulty": 7,
  787. "slug": "crypto-square",
  788. "topics": null,
  789. "unlocked_by": "rotational-cipher",
  790. "uuid": "162bebdc-9bf2-43c0-8460-a91f5fc16147"
  791. },
  792. {
  793. "core": false,
  794. "difficulty": 7,
  795. "slug": "poker",
  796. "topics": [
  797. "games",
  798. "parsing",
  799. "sorting"
  800. ],
  801. "unlocked_by": "scrabble-score",
  802. "uuid": "57eeac00-741c-4843-907a-51f0ac5ea4cb"
  803. },
  804. {
  805. "core": false,
  806. "difficulty": 7,
  807. "slug": "clock",
  808. "topics": null,
  809. "unlocked_by": "saddle-points",
  810. "uuid": "97c8fcd4-85b6-41cb-9de2-b4e1b4951222"
  811. },
  812. {
  813. "core": false,
  814. "difficulty": 8,
  815. "slug": "ocr-numbers",
  816. "topics": null,
  817. "unlocked_by": "robot-name",
  818. "uuid": "5cbc6a67-3a53-4aad-ae68-ff469525437f"
  819. },
  820. {
  821. "core": false,
  822. "difficulty": 8,
  823. "slug": "circular-buffer",
  824. "topics": [
  825. "classes",
  826. "exception_handling",
  827. "queues"
  828. ],
  829. "unlocked_by": "linked-list",
  830. "uuid": "626dc25a-062c-4053-a8c1-788e4dc44ca0"
  831. },
  832. {
  833. "core": false,
  834. "difficulty": 8,
  835. "slug": "rectangles",
  836. "topics": null,
  837. "unlocked_by": "robot-name",
  838. "uuid": "64cda115-919a-4eef-9a45-9ec5d1af98cc"
  839. },
  840. {
  841. "core": false,
  842. "difficulty": 8,
  843. "slug": "book-store",
  844. "topics": null,
  845. "unlocked_by": "flatten-array",
  846. "uuid": "e5f05d00-fe5b-4d78-b2fa-934c1c9afb32"
  847. },
  848. {
  849. "core": false,
  850. "difficulty": 8,
  851. "slug": "simple-cipher",
  852. "topics": null,
  853. "unlocked_by": "rotational-cipher",
  854. "uuid": "f654831f-c34b-44f5-9dd5-054efbb486f2"
  855. },
  856. {
  857. "core": false,
  858. "difficulty": 8,
  859. "slug": "complex-numbers",
  860. "topics": [
  861. "mathematics",
  862. "floating_point_numbers",
  863. "classes"
  864. ],
  865. "unlocked_by": "triangle",
  866. "uuid": "52d11278-0d65-4b5b-b387-1374fced3243"
  867. },
  868. {
  869. "core": false,
  870. "difficulty": 8,
  871. "slug": "list-ops",
  872. "topics": null,
  873. "unlocked_by": "linked-list",
  874. "uuid": "a9836565-5c39-4285-b83a-53408be36ccc"
  875. },
  876. {
  877. "core": false,
  878. "difficulty": 8,
  879. "slug": "change",
  880. "topics": null,
  881. "unlocked_by": "flatten-array",
  882. "uuid": "bac1f4bc-eea9-43c1-8e95-097347f5925e"
  883. },
  884. {
  885. "core": false,
  886. "difficulty": 8,
  887. "slug": "palindrome-products",
  888. "topics": [
  889. "conditionals",
  890. "integers",
  891. "lists",
  892. "loops",
  893. "maps",
  894. "mathematics"
  895. ],
  896. "unlocked_by": "saddle-points",
  897. "uuid": "873c05de-b5f5-4c5b-97f0-d1ede8a82832"
  898. },
  899. {
  900. "core": false,
  901. "difficulty": 9,
  902. "slug": "pythagorean-triplet",
  903. "topics": null,
  904. "unlocked_by": "triangle",
  905. "uuid": "88505f95-89e5-4a08-8ed2-208eb818cdf1"
  906. },
  907. {
  908. "core": false,
  909. "difficulty": 9,
  910. "slug": "forth",
  911. "topics": null,
  912. "unlocked_by": "secret-handshake",
  913. "uuid": "f0c0316d-3fb5-455e-952a-91161e7fb298"
  914. },
  915. {
  916. "core": false,
  917. "difficulty": 10,
  918. "slug": "custom-set",
  919. "topics": null,
  920. "unlocked_by": "linked-list",
  921. "uuid": "377fe38b-08ad-4f3a-8118-a43c10f7b9b2"
  922. },
  923. {
  924. "deprecated": true,
  925. "slug": "accumulate",
  926. "uuid": "e58c29d2-80a7-40ef-bed0-4a184ae35f34"
  927. },
  928. {
  929. "deprecated": true,
  930. "slug": "binary",
  931. "uuid": "9ea6e0fa-b91d-4d17-ac8f-6d2dc30fdd44"
  932. },
  933. {
  934. "deprecated": true,
  935. "slug": "hexadecimal",
  936. "uuid": "6fe53a08-c123-465d-864a-ef18217203c4"
  937. },
  938. {
  939. "deprecated": true,
  940. "slug": "octal",
  941. "uuid": "14a29e82-f9b1-4662-b678-06992e306c01"
  942. },
  943. {
  944. "deprecated": true,
  945. "slug": "strain",
  946. "uuid": "2d195cd9-1814-490a-8dd6-a2c676f1d4cd"
  947. },
  948. {
  949. "deprecated": true,
  950. "slug": "trinary",
  951. "uuid": "ee3a8abe-6b19-4b47-9cf6-4d39ae915fb7"
  952. }
  953. ],
  954. "foregone": [
  955. "leap",
  956. "grains",
  957. "say"
  958. ],
  959. "language": "Java",
  960. "solution_pattern": "reference"
  961. }