|
|
@@ -3,342 +3,475 @@
|
|
3
|
3
|
"language": "Java",
|
|
4
|
4
|
"repository": "https://github.com/exercism/xjava",
|
|
5
|
5
|
"active": true,
|
|
6
|
|
-
|
|
7
|
6
|
"exercises": [
|
|
8
|
7
|
{
|
|
9
|
8
|
"slug": "hello-world",
|
|
10
|
9
|
"difficulty": 1,
|
|
11
|
|
- "topics": []
|
|
|
10
|
+ "topics": [
|
|
|
11
|
+
|
|
|
12
|
+ ]
|
|
12
|
13
|
},
|
|
13
|
14
|
{
|
|
14
|
15
|
"slug": "rna-transcription",
|
|
15
|
16
|
"difficulty": 2,
|
|
16
|
|
- "topics": []
|
|
|
17
|
+ "topics": [
|
|
|
18
|
+
|
|
|
19
|
+ ]
|
|
17
|
20
|
},
|
|
18
|
21
|
{
|
|
19
|
22
|
"slug": "pangram",
|
|
20
|
23
|
"difficulty": 3,
|
|
21
|
|
- "topics": []
|
|
|
24
|
+ "topics": [
|
|
|
25
|
+
|
|
|
26
|
+ ]
|
|
22
|
27
|
},
|
|
23
|
28
|
{
|
|
24
|
29
|
"slug": "hamming",
|
|
25
|
30
|
"difficulty": 3,
|
|
26
|
|
- "topics": []
|
|
|
31
|
+ "topics": [
|
|
|
32
|
+
|
|
|
33
|
+ ]
|
|
27
|
34
|
},
|
|
28
|
35
|
{
|
|
29
|
36
|
"slug": "gigasecond",
|
|
30
|
37
|
"difficulty": 3,
|
|
31
|
|
- "topics": []
|
|
|
38
|
+ "topics": [
|
|
|
39
|
+
|
|
|
40
|
+ ]
|
|
32
|
41
|
},
|
|
33
|
42
|
{
|
|
34
|
43
|
"slug": "space-age",
|
|
35
|
44
|
"difficulty": 3,
|
|
36
|
|
- "topics": []
|
|
|
45
|
+ "topics": [
|
|
|
46
|
+
|
|
|
47
|
+ ]
|
|
37
|
48
|
},
|
|
38
|
49
|
{
|
|
39
|
50
|
"slug": "acronym",
|
|
40
|
51
|
"difficulty": 3,
|
|
41
|
|
- "topics": []
|
|
|
52
|
+ "topics": [
|
|
|
53
|
+
|
|
|
54
|
+ ]
|
|
42
|
55
|
},
|
|
43
|
56
|
{
|
|
44
|
57
|
"slug": "scrabble-score",
|
|
45
|
58
|
"difficulty": 3,
|
|
46
|
|
- "topics": []
|
|
|
59
|
+ "topics": [
|
|
|
60
|
+
|
|
|
61
|
+ ]
|
|
47
|
62
|
},
|
|
48
|
63
|
{
|
|
49
|
64
|
"slug": "raindrops",
|
|
50
|
65
|
"difficulty": 3,
|
|
51
|
|
- "topics": []
|
|
|
66
|
+ "topics": [
|
|
|
67
|
+
|
|
|
68
|
+ ]
|
|
52
|
69
|
},
|
|
53
|
70
|
{
|
|
54
|
71
|
"slug": "difference-of-squares",
|
|
55
|
72
|
"difficulty": 3,
|
|
56
|
|
- "topics": []
|
|
|
73
|
+ "topics": [
|
|
|
74
|
+
|
|
|
75
|
+ ]
|
|
57
|
76
|
},
|
|
58
|
77
|
{
|
|
59
|
78
|
"slug": "secret-handshake",
|
|
60
|
79
|
"difficulty": 3,
|
|
61
|
|
- "topics": []
|
|
|
80
|
+ "topics": [
|
|
|
81
|
+
|
|
|
82
|
+ ]
|
|
62
|
83
|
},
|
|
63
|
84
|
{
|
|
64
|
85
|
"slug": "perfect-numbers",
|
|
65
|
86
|
"difficulty": 3,
|
|
66
|
|
- "topics": []
|
|
|
87
|
+ "topics": [
|
|
|
88
|
+
|
|
|
89
|
+ ]
|
|
67
|
90
|
},
|
|
68
|
91
|
{
|
|
69
|
92
|
"slug": "sum-of-multiples",
|
|
70
|
93
|
"difficulty": 4,
|
|
71
|
|
- "topics": []
|
|
|
94
|
+ "topics": [
|
|
|
95
|
+
|
|
|
96
|
+ ]
|
|
72
|
97
|
},
|
|
73
|
98
|
{
|
|
74
|
99
|
"slug": "luhn",
|
|
75
|
100
|
"difficulty": 4,
|
|
76
|
|
- "topics": []
|
|
|
101
|
+ "topics": [
|
|
|
102
|
+
|
|
|
103
|
+ ]
|
|
77
|
104
|
},
|
|
78
|
105
|
{
|
|
79
|
106
|
"slug": "matrix",
|
|
80
|
107
|
"difficulty": 4,
|
|
81
|
|
- "topics": []
|
|
|
108
|
+ "topics": [
|
|
|
109
|
+
|
|
|
110
|
+ ]
|
|
82
|
111
|
},
|
|
83
|
112
|
{
|
|
84
|
113
|
"slug": "triangle",
|
|
85
|
114
|
"difficulty": 4,
|
|
86
|
|
- "topics": []
|
|
|
115
|
+ "topics": [
|
|
|
116
|
+
|
|
|
117
|
+ ]
|
|
87
|
118
|
},
|
|
88
|
119
|
{
|
|
89
|
120
|
"slug": "largest-series-product",
|
|
90
|
121
|
"difficulty": 4,
|
|
91
|
|
- "topics": []
|
|
|
122
|
+ "topics": [
|
|
|
123
|
+
|
|
|
124
|
+ ]
|
|
92
|
125
|
},
|
|
93
|
126
|
{
|
|
94
|
127
|
"slug": "sieve",
|
|
95
|
128
|
"difficulty": 4,
|
|
96
|
|
- "topics": []
|
|
|
129
|
+ "topics": [
|
|
|
130
|
+
|
|
|
131
|
+ ]
|
|
97
|
132
|
},
|
|
98
|
133
|
{
|
|
99
|
134
|
"slug": "twelve-days",
|
|
100
|
135
|
"difficulty": 4,
|
|
101
|
|
- "topics": []
|
|
|
136
|
+ "topics": [
|
|
|
137
|
+
|
|
|
138
|
+ ]
|
|
102
|
139
|
},
|
|
103
|
140
|
{
|
|
104
|
141
|
"slug": "collatz-conjecture",
|
|
105
|
142
|
"difficulty": 4,
|
|
106
|
|
- "topics": []
|
|
|
143
|
+ "topics": [
|
|
|
144
|
+
|
|
|
145
|
+ ]
|
|
107
|
146
|
},
|
|
108
|
147
|
{
|
|
109
|
148
|
"slug": "nth-prime",
|
|
110
|
149
|
"difficulty": 4,
|
|
111
|
|
- "topics": []
|
|
|
150
|
+ "topics": [
|
|
|
151
|
+
|
|
|
152
|
+ ]
|
|
112
|
153
|
},
|
|
113
|
154
|
{
|
|
114
|
155
|
"slug": "saddle-points",
|
|
115
|
156
|
"difficulty": 4,
|
|
116
|
|
- "topics": []
|
|
|
157
|
+ "topics": [
|
|
|
158
|
+
|
|
|
159
|
+ ]
|
|
117
|
160
|
},
|
|
118
|
161
|
{
|
|
119
|
162
|
"slug": "diamond",
|
|
120
|
163
|
"difficulty": 4,
|
|
121
|
|
- "topics": []
|
|
|
164
|
+ "topics": [
|
|
|
165
|
+
|
|
|
166
|
+ ]
|
|
122
|
167
|
},
|
|
123
|
168
|
{
|
|
124
|
169
|
"slug": "isogram",
|
|
125
|
170
|
"difficulty": 4,
|
|
126
|
|
- "topics": []
|
|
|
171
|
+ "topics": [
|
|
|
172
|
+
|
|
|
173
|
+ ]
|
|
127
|
174
|
},
|
|
128
|
175
|
{
|
|
129
|
176
|
"slug": "flatten-array",
|
|
130
|
177
|
"difficulty": 5,
|
|
131
|
|
- "topics": []
|
|
|
178
|
+ "topics": [
|
|
|
179
|
+
|
|
|
180
|
+ ]
|
|
132
|
181
|
},
|
|
133
|
182
|
{
|
|
134
|
183
|
"slug": "pig-latin",
|
|
135
|
184
|
"difficulty": 5,
|
|
136
|
|
- "topics": []
|
|
|
185
|
+ "topics": [
|
|
|
186
|
+
|
|
|
187
|
+ ]
|
|
137
|
188
|
},
|
|
138
|
189
|
{
|
|
139
|
190
|
"slug": "phone-number",
|
|
140
|
191
|
"difficulty": 5,
|
|
141
|
|
- "topics": []
|
|
|
192
|
+ "topics": [
|
|
|
193
|
+
|
|
|
194
|
+ ]
|
|
142
|
195
|
},
|
|
143
|
196
|
{
|
|
144
|
197
|
"slug": "nucleotide-count",
|
|
145
|
198
|
"difficulty": 5,
|
|
146
|
|
- "topics": []
|
|
|
199
|
+ "topics": [
|
|
|
200
|
+
|
|
|
201
|
+ ]
|
|
147
|
202
|
},
|
|
148
|
203
|
{
|
|
149
|
204
|
"slug": "word-count",
|
|
150
|
205
|
"difficulty": 5,
|
|
151
|
|
- "topics": []
|
|
|
206
|
+ "topics": [
|
|
|
207
|
+
|
|
|
208
|
+ ]
|
|
152
|
209
|
},
|
|
153
|
210
|
{
|
|
154
|
211
|
"slug": "robot-name",
|
|
155
|
212
|
"difficulty": 5,
|
|
156
|
|
- "topics": []
|
|
|
213
|
+ "topics": [
|
|
|
214
|
+
|
|
|
215
|
+ ]
|
|
157
|
216
|
},
|
|
158
|
217
|
{
|
|
159
|
218
|
"slug": "prime-factors",
|
|
160
|
219
|
"difficulty": 5,
|
|
161
|
|
- "topics": []
|
|
|
220
|
+ "topics": [
|
|
|
221
|
+
|
|
|
222
|
+ ]
|
|
162
|
223
|
},
|
|
163
|
224
|
{
|
|
164
|
225
|
"slug": "allergies",
|
|
165
|
226
|
"difficulty": 5,
|
|
166
|
|
- "topics": []
|
|
|
227
|
+ "topics": [
|
|
|
228
|
+
|
|
|
229
|
+ ]
|
|
167
|
230
|
},
|
|
168
|
231
|
{
|
|
169
|
232
|
"slug": "bob",
|
|
170
|
233
|
"difficulty": 5,
|
|
171
|
|
- "topics": []
|
|
|
234
|
+ "topics": [
|
|
|
235
|
+
|
|
|
236
|
+ ]
|
|
172
|
237
|
},
|
|
173
|
238
|
{
|
|
174
|
239
|
"slug": "pascals-triangle",
|
|
175
|
240
|
"difficulty": 5,
|
|
176
|
|
- "topics": []
|
|
|
241
|
+ "topics": [
|
|
|
242
|
+
|
|
|
243
|
+ ]
|
|
177
|
244
|
},
|
|
178
|
245
|
{
|
|
179
|
246
|
"slug": "bracket-push",
|
|
180
|
247
|
"difficulty": 5,
|
|
181
|
|
- "topics": []
|
|
|
248
|
+ "topics": [
|
|
|
249
|
+
|
|
|
250
|
+ ]
|
|
182
|
251
|
},
|
|
183
|
252
|
{
|
|
184
|
253
|
"slug": "series",
|
|
185
|
254
|
"difficulty": 5,
|
|
186
|
|
- "topics": []
|
|
|
255
|
+ "topics": [
|
|
|
256
|
+
|
|
|
257
|
+ ]
|
|
187
|
258
|
},
|
|
188
|
259
|
{
|
|
189
|
260
|
"slug": "atbash-cipher",
|
|
190
|
261
|
"difficulty": 5,
|
|
191
|
|
- "topics": []
|
|
|
262
|
+ "topics": [
|
|
|
263
|
+
|
|
|
264
|
+ ]
|
|
192
|
265
|
},
|
|
193
|
266
|
{
|
|
194
|
267
|
"slug": "roman-numerals",
|
|
195
|
268
|
"difficulty": 6,
|
|
196
|
|
- "topics": []
|
|
|
269
|
+ "topics": [
|
|
|
270
|
+
|
|
|
271
|
+ ]
|
|
197
|
272
|
},
|
|
198
|
273
|
{
|
|
199
|
274
|
"slug": "beer-song",
|
|
200
|
275
|
"difficulty": 6,
|
|
201
|
|
- "topics": []
|
|
|
276
|
+ "topics": [
|
|
|
277
|
+
|
|
|
278
|
+ ]
|
|
202
|
279
|
},
|
|
203
|
280
|
{
|
|
204
|
281
|
"slug": "queen-attack",
|
|
205
|
282
|
"difficulty": 6,
|
|
206
|
|
- "topics": []
|
|
|
283
|
+ "topics": [
|
|
|
284
|
+
|
|
|
285
|
+ ]
|
|
207
|
286
|
},
|
|
208
|
287
|
{
|
|
209
|
288
|
"slug": "etl",
|
|
210
|
289
|
"difficulty": 6,
|
|
211
|
|
- "topics": []
|
|
|
290
|
+ "topics": [
|
|
|
291
|
+
|
|
|
292
|
+ ]
|
|
212
|
293
|
},
|
|
213
|
294
|
{
|
|
214
|
295
|
"slug": "linked-list",
|
|
215
|
296
|
"difficulty": 6,
|
|
216
|
|
- "topics": []
|
|
|
297
|
+ "topics": [
|
|
|
298
|
+
|
|
|
299
|
+ ]
|
|
217
|
300
|
},
|
|
218
|
301
|
{
|
|
219
|
302
|
"slug": "grade-school",
|
|
220
|
303
|
"difficulty": 6,
|
|
221
|
|
- "topics": []
|
|
|
304
|
+ "topics": [
|
|
|
305
|
+
|
|
|
306
|
+ ]
|
|
222
|
307
|
},
|
|
223
|
308
|
{
|
|
224
|
309
|
"slug": "robot-simulator",
|
|
225
|
310
|
"difficulty": 6,
|
|
226
|
|
- "topics": []
|
|
|
311
|
+ "topics": [
|
|
|
312
|
+
|
|
|
313
|
+ ]
|
|
227
|
314
|
},
|
|
228
|
315
|
{
|
|
229
|
316
|
"slug": "binary-search",
|
|
230
|
317
|
"difficulty": 6,
|
|
231
|
|
- "topics": []
|
|
|
318
|
+ "topics": [
|
|
|
319
|
+
|
|
|
320
|
+ ]
|
|
232
|
321
|
},
|
|
233
|
322
|
{
|
|
234
|
323
|
"slug": "minesweeper",
|
|
235
|
324
|
"difficulty": 6,
|
|
236
|
|
- "topics": []
|
|
|
325
|
+ "topics": [
|
|
|
326
|
+
|
|
|
327
|
+ ]
|
|
237
|
328
|
},
|
|
238
|
329
|
{
|
|
239
|
330
|
"slug": "wordy",
|
|
240
|
331
|
"difficulty": 6,
|
|
241
|
|
- "topics": []
|
|
|
332
|
+ "topics": [
|
|
|
333
|
+
|
|
|
334
|
+ ]
|
|
242
|
335
|
},
|
|
243
|
336
|
{
|
|
244
|
337
|
"slug": "all-your-base",
|
|
245
|
338
|
"difficulty": 6,
|
|
246
|
|
- "topics": []
|
|
|
339
|
+ "topics": [
|
|
|
340
|
+
|
|
|
341
|
+ ]
|
|
247
|
342
|
},
|
|
248
|
343
|
{
|
|
249
|
344
|
"slug": "anagram",
|
|
250
|
345
|
"difficulty": 7,
|
|
251
|
|
- "topics": []
|
|
|
346
|
+ "topics": [
|
|
|
347
|
+
|
|
|
348
|
+ ]
|
|
252
|
349
|
},
|
|
253
|
350
|
{
|
|
254
|
351
|
"slug": "sublist",
|
|
255
|
352
|
"difficulty": 7,
|
|
256
|
|
- "topics": []
|
|
|
353
|
+ "topics": [
|
|
|
354
|
+
|
|
|
355
|
+ ]
|
|
257
|
356
|
},
|
|
258
|
357
|
{
|
|
259
|
358
|
"slug": "word-search",
|
|
260
|
359
|
"difficulty": 7,
|
|
261
|
|
- "topics": []
|
|
|
360
|
+ "topics": [
|
|
|
361
|
+
|
|
|
362
|
+ ]
|
|
262
|
363
|
},
|
|
263
|
364
|
{
|
|
264
|
365
|
"slug": "simple-linked-list",
|
|
265
|
366
|
"difficulty": 7,
|
|
266
|
|
- "topics": []
|
|
|
367
|
+ "topics": [
|
|
|
368
|
+
|
|
|
369
|
+ ]
|
|
267
|
370
|
},
|
|
268
|
371
|
{
|
|
269
|
372
|
"slug": "binary-search-tree",
|
|
270
|
373
|
"difficulty": 7,
|
|
271
|
|
- "topics": []
|
|
|
374
|
+ "topics": [
|
|
|
375
|
+
|
|
|
376
|
+ ]
|
|
272
|
377
|
},
|
|
273
|
378
|
{
|
|
274
|
379
|
"slug": "meetup",
|
|
275
|
380
|
"difficulty": 7,
|
|
276
|
|
- "topics": []
|
|
|
381
|
+ "topics": [
|
|
|
382
|
+
|
|
|
383
|
+ ]
|
|
277
|
384
|
},
|
|
278
|
385
|
{
|
|
279
|
386
|
"slug": "crypto-square",
|
|
280
|
387
|
"difficulty": 7,
|
|
281
|
|
- "topics": []
|
|
|
388
|
+ "topics": [
|
|
|
389
|
+
|
|
|
390
|
+ ]
|
|
282
|
391
|
},
|
|
283
|
392
|
{
|
|
284
|
393
|
"slug": "clock",
|
|
285
|
394
|
"difficulty": 7,
|
|
286
|
|
- "topics": []
|
|
|
395
|
+ "topics": [
|
|
|
396
|
+
|
|
|
397
|
+ ]
|
|
287
|
398
|
},
|
|
288
|
399
|
{
|
|
289
|
400
|
"slug": "ocr-numbers",
|
|
290
|
401
|
"difficulty": 8,
|
|
291
|
|
- "topics": []
|
|
|
402
|
+ "topics": [
|
|
|
403
|
+
|
|
|
404
|
+ ]
|
|
292
|
405
|
},
|
|
293
|
406
|
{
|
|
294
|
407
|
"slug": "rectangles",
|
|
295
|
408
|
"difficulty": 8,
|
|
296
|
|
- "topics": []
|
|
|
409
|
+ "topics": [
|
|
|
410
|
+
|
|
|
411
|
+ ]
|
|
297
|
412
|
},
|
|
298
|
413
|
{
|
|
299
|
414
|
"slug": "book-store",
|
|
300
|
415
|
"difficulty": 8,
|
|
301
|
|
- "topics": []
|
|
|
416
|
+ "topics": [
|
|
|
417
|
+
|
|
|
418
|
+ ]
|
|
302
|
419
|
},
|
|
303
|
420
|
{
|
|
304
|
421
|
"slug": "simple-cipher",
|
|
305
|
422
|
"difficulty": 8,
|
|
306
|
|
- "topics": []
|
|
|
423
|
+ "topics": [
|
|
|
424
|
+
|
|
|
425
|
+ ]
|
|
307
|
426
|
},
|
|
308
|
427
|
{
|
|
309
|
428
|
"slug": "change",
|
|
310
|
429
|
"difficulty": 8,
|
|
311
|
|
- "topics": []
|
|
|
430
|
+ "topics": [
|
|
|
431
|
+
|
|
|
432
|
+ ]
|
|
312
|
433
|
},
|
|
313
|
434
|
{
|
|
314
|
435
|
"slug": "palindrome-products",
|
|
315
|
436
|
"difficulty": 8,
|
|
316
|
|
- "topics": []
|
|
|
437
|
+ "topics": [
|
|
|
438
|
+
|
|
|
439
|
+ ]
|
|
317
|
440
|
},
|
|
318
|
441
|
{
|
|
319
|
442
|
"slug": "pythagorean-triplet",
|
|
320
|
443
|
"difficulty": 9,
|
|
321
|
|
- "topics": []
|
|
|
444
|
+ "topics": [
|
|
|
445
|
+
|
|
|
446
|
+ ]
|
|
322
|
447
|
},
|
|
323
|
448
|
{
|
|
324
|
449
|
"slug": "custom-set",
|
|
325
|
450
|
"difficulty": 10,
|
|
326
|
|
- "topics": []
|
|
|
451
|
+ "topics": [
|
|
|
452
|
+
|
|
|
453
|
+ ]
|
|
327
|
454
|
},
|
|
328
|
455
|
{
|
|
329
|
456
|
"slug": "list-ops",
|
|
330
|
457
|
"difficulty": 1,
|
|
331
|
|
- "topics": []
|
|
|
458
|
+ "topics": [
|
|
|
459
|
+
|
|
|
460
|
+ ]
|
|
332
|
461
|
},
|
|
333
|
462
|
{
|
|
334
|
463
|
"slug": "run-length-encoding",
|
|
335
|
464
|
"difficulty": 1,
|
|
336
|
|
- "topics": []
|
|
|
465
|
+ "topics": [
|
|
|
466
|
+
|
|
|
467
|
+ ]
|
|
337
|
468
|
},
|
|
338
|
469
|
{
|
|
339
|
470
|
"slug": "kindergarten-garden",
|
|
340
|
471
|
"difficulty": 1,
|
|
341
|
|
- "topics": []
|
|
|
472
|
+ "topics": [
|
|
|
473
|
+
|
|
|
474
|
+ ]
|
|
342
|
475
|
}
|
|
343
|
476
|
],
|
|
344
|
477
|
"deprecated": [
|
|
|
@@ -363,4 +496,3 @@
|
|
363
|
496
|
"say"
|
|
364
|
497
|
]
|
|
365
|
498
|
}
|
|
366
|
|
-
|
Stuart Kent
9 年前