JavaScript
JavaScript
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277,068
students have developed their JavaScript skills on Exercism.

Students
277,068
Submissions
5,639,399
Mentoring Discussions
38,334

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Create the JavaScript syllabus

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Help create the track syllabus: is a set of concepts and learning exercises put together to teach foundational elements of the programming language.

Next goal: Create a complete syllabus with at least 40 concepts. Find out more.

Usage statistics

32 concepts being taught
Ba
Basics
42,003 learnt
Bo
Booleans
23,283 learnt
Ar
Arithmetic Operators
23,134 learnt
Nu
Numbers
23,134 learnt
St
Strings
20,243 learnt
Ar
Arrays
16,480 learnt
Co
Comparison
15,298 learnt
Co
Conditionals
15,298 learnt
Fo
For Loops
13,397 learnt
In
Increment/Decrement
13,397 learnt
Sw
Switch Statement
10,966 learnt
Wh
While Loops
10,966 learnt
Ty
Type Conversion
8,199 learnt
Ar
Array Analysis
5,479 learnt
Ar
Arrow Functions
5,479 learnt
Ar
Array Destructuring
6,329 learnt
Re
Rest and Spread
6,329 learnt
Ar
Array Loops
4,688 learnt
Nu
Null and Undefined
9,254 learnt
Cl
Closures
5,826 learnt
Ca
Callbacks
5,992 learnt
Pr
Promises
2,312 learnt
Ob
Objects
10,191 learnt
Se
Sets
3,611 learnt
Fu
Functions
7,858 learnt
Er
Errors
4,374 learnt
In
Inheritance
4,374 learnt
Ar
Array Transformations
4,202 learnt
Te
Template Strings
6,663 learnt
Te
Ternary Operator
6,663 learnt
Pr
Prototypes & Classes
4,117 learnt
Re
Regular Expressions
1,279 learnt
24 active learning exercises
Started
Attempts
Completions
Mentoring requests
Lucian's Luscious Lasagna Lucian's Luscious Lasagna
77,826
403,688 (avg. 5.2)
42,003 (54.0%)
322 (0.4%)
Annalyn's Infiltration Annalyn's Infiltration
29,149
456,639 (avg. 15.7)
23,283 (79.9%)
254 (0.9%)
Freelancer Rates Freelancer Rates
29,908
374,726 (avg. 12.5)
23,134 (77.4%)
248 (0.8%)
Poetry Club Door Policy Poetry Club Door Policy
22,672
329,945 (avg. 14.6)
20,243 (89.3%)
132 (0.6%)
Elyses Enchantments Elyses Enchantments
17,626
246,931 (avg. 14.0)
16,480 (93.5%)
81 (0.5%)
Vehicle Purchase Vehicle Purchase
15,815
156,382 (avg. 9.9)
15,298 (96.7%)
124 (0.8%)
Bird Watcher Bird Watcher
14,436
213,831 (avg. 14.8)
13,397 (92.8%)
133 (0.9%)
Mixed Juices Mixed Juices
12,836
267,206 (avg. 20.8)
10,966 (85.4%)
166 (1.3%)
Lucky Numbers Lucky Numbers
8,636
154,737 (avg. 17.9)
8,199 (94.9%)
71 (0.8%)
Elyses Analytic Enchantments Elyses Analytic Enchantments
5,583
43,592 (avg. 7.8)
5,479 (98.1%)
28 (0.5%)
Elyses Destructured Enchantments Elyses Destructured Enchantments
6,509
72,411 (avg. 11.1)
6,329 (97.2%)
47 (0.7%)
Elyses Looping Enchantments Elyses Looping Enchantments
4,767
31,241 (avg. 6.6)
4,688 (98.3%)
31 (0.7%)
Amusement Park Amusement Park
9,679
156,322 (avg. 16.2)
9,254 (95.6%)
79 (0.8%)
Coordinate Transformation Coordinate Transformation
7,024
144,524 (avg. 20.6)
5,826 (82.9%)
147 (2.1%)
Fruit Picker Fruit Picker
6,644
85,152 (avg. 12.8)
5,992 (90.2%)
52 (0.8%)
Translation Service Translation Service
3,721
131,075 (avg. 35.2)
2,312 (62.1%)
67 (1.8%)
High Score Board High Score Board
10,822
168,992 (avg. 15.6)
10,191 (94.2%)
66 (0.6%)
Ozan's Playlist Ozan's Playlist
3,715
47,848 (avg. 12.9)
3,611 (97.2%)
28 (0.8%)
Lasagna Master Lasagna Master
8,243
151,338 (avg. 18.4)
7,858 (95.3%)
83 (1.0%)
Factory Sensors Factory Sensors
4,606
66,111 (avg. 14.4)
4,374 (95.0%)
32 (0.7%)
Elyses Transformative Enchantments Elyses Transformative Enchantments
4,463
98,531 (avg. 22.1)
4,202 (94.2%)
39 (0.9%)
Custom Signs Custom Signs
6,767
56,813 (avg. 8.4)
6,663 (98.5%)
16 (0.2%)
Windowing System Windowing System
4,819
110,827 (avg. 23.0)
4,117 (85.4%)
75 (1.6%)
Regular Chatbot Regular Chatbot
1,475
28,052 (avg. 19.0)
1,279 (86.7%)
11 (0.7%)
1 deprecated learning exercises
Started
Attempts
Completions
Mentoring requests
Employee Badges Employee Badges
0
0 (avg. 0.0)
0 (0.0%)
0 (0.0%)

Build Test Runners

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Create Test Runners that have the single responsibility of taking a solution, running all tests and returning a standardized output.

Usage statistics

Total Test Runner Runs
5,403,640
Test Run Pass Rate
12.4% (667942)
Test Run Fail Rate
72.6% (3923513)
Test Run Error Rate
15.0% (812185)

Build Analyzers

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Build an Analyzer for JavaScript: Exercism's analyzers automatically assess student's submissions and provide mentor-style commentary.

Usage statistics

Total Analyzer Runs
491,337
Total Analysis Comments Made
109,759
Feedback Given Frequency
1.5%

Build Representers

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Build a Representer: a bit of code that has the single responsibility of taking a solution and returning a normalized representation of it.

Usage statistics

Total Representer Runs
491,317
Total Representation Comments Made
136,294
Feedback Given Frequency
27.7%

Create Practice Exercises

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Practice Exercises are exercises designed to allow students to solve an arbitrary problem, with the aim of them making use of the concepts they have learned so far.

Next goal: Implement 131 practice exercises. Find out more.

Usage statistics

116 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
189,298
519,827 (avg. 2.7)
134,990 (71.3%)
108 (0.1%)
Two Fer Two Fer
25,808
42,400 (avg. 1.6)
19,446 (75.3%)
7,457 (28.9%)
Resistor Color Resistor Color
15,500
30,511 (avg. 2.0)
12,348 (79.7%)
3,415 (22.0%)
Resistor Color Duo Resistor Color Duo
11,599
31,801 (avg. 2.7)
9,109 (78.5%)
4,332 (37.3%)
Gigasecond Gigasecond
14,466
44,002 (avg. 3.0)
10,506 (72.6%)
2,542 (17.6%)
RNA Transcription RNA Transcription
13,735
30,518 (avg. 2.2)
11,996 (87.3%)
2,869 (20.9%)
Space Age Space Age
8,280
31,482 (avg. 3.8)
6,938 (83.8%)
1,667 (20.1%)
Pangram Pangram
8,712
27,764 (avg. 3.2)
7,407 (85.0%)
1,469 (16.9%)
Matrix Matrix
5,686
35,028 (avg. 6.2)
3,910 (68.8%)
941 (16.5%)
Bob Bob
10,169
49,592 (avg. 4.9)
8,240 (81.0%)
1,609 (15.8%)
Book Store Book Store
1,257
24,342 (avg. 19.4)
533 (42.4%)
43 (3.4%)
Pascal's Triangle Pascal's Triangle
3,679
14,850 (avg. 4.0)
2,571 (69.9%)
488 (13.3%)
Linked List Linked List
2,934
15,582 (avg. 5.3)
1,930 (65.8%)
377 (12.8%)
Grade School Grade School
3,089
15,993 (avg. 5.2)
2,322 (75.2%)
310 (10.0%)
List Ops List Ops
1,656
13,470 (avg. 8.1)
1,047 (63.2%)
195 (11.8%)
Robot Name Robot Name
2,510
11,216 (avg. 4.5)
1,774 (70.7%)
204 (8.1%)
Simple Cipher Simple Cipher
3,018
10,100 (avg. 3.3)
2,034 (67.4%)
381 (12.6%)
Wordy Wordy
1,382
11,243 (avg. 8.1)
946 (68.5%)
95 (6.9%)
Secret Handshake Secret Handshake
1,428
3,801 (avg. 2.7)
1,089 (76.3%)
88 (6.2%)
Leap Leap
18,150
35,050 (avg. 1.9)
14,757 (81.3%)
2,986 (16.5%)
Reverse String Reverse String
8,267
12,924 (avg. 1.6)
6,916 (83.7%)
260 (3.1%)
Collatz Conjecture Collatz Conjecture
4,712
15,586 (avg. 3.3)
3,713 (78.8%)
197 (4.2%)
Triangle Triangle
5,408
23,069 (avg. 4.3)
3,768 (69.7%)
300 (5.5%)
Clock Clock
2,575
10,061 (avg. 3.9)
1,649 (64.0%)
102 (4.0%)
Meetup Meetup
1,558
5,318 (avg. 3.4)
843 (54.1%)
34 (2.2%)
ETL ETL
3,248
10,783 (avg. 3.3)
2,665 (82.1%)
60 (1.8%)
Hamming Hamming
7,308
14,799 (avg. 2.0)
6,572 (89.9%)
365 (5.0%)
Raindrops Raindrops
4,111
18,065 (avg. 4.4)
3,431 (83.5%)
101 (2.5%)
Nucleotide Count Nucleotide Count
1,762
5,049 (avg. 2.9)
1,464 (83.1%)
90 (5.1%)
Scrabble Score Scrabble Score
4,422
18,605 (avg. 4.2)
2,686 (60.7%)
106 (2.4%)
Allergies Allergies
2,912
12,871 (avg. 4.4)
1,425 (48.9%)
50 (1.7%)
Word Count Word Count
7,454
44,073 (avg. 5.9)
4,319 (57.9%)
499 (6.7%)
Bank Account Bank Account
4,303
30,687 (avg. 7.1)
1,768 (41.1%)
51 (1.2%)
Difference of Squares Difference of Squares
1,848
6,267 (avg. 3.4)
1,547 (83.7%)
24 (1.3%)
Perfect Numbers Perfect Numbers
2,611
11,381 (avg. 4.4)
1,917 (73.4%)
48 (1.8%)
Complex Numbers Complex Numbers
709
2,800 (avg. 3.9)
492 (69.4%)
5 (0.7%)
Luhn Luhn
1,669
12,284 (avg. 7.4)
1,185 (71.0%)
37 (2.2%)
Prime Factors Prime Factors
1,976
5,300 (avg. 2.7)
1,640 (83.0%)
77 (3.9%)
Grains Grains
1,851
7,926 (avg. 4.3)
1,432 (77.4%)
50 (2.7%)
Pythagorean Triplet Pythagorean Triplet
1,118
3,973 (avg. 3.6)
682 (61.0%)
19 (1.7%)
Palindrome Products Palindrome Products
1,031
6,839 (avg. 6.6)
525 (50.9%)
15 (1.5%)
Anagram Anagram
3,862
16,480 (avg. 4.3)
3,277 (84.9%)
233 (6.0%)
Acronym Acronym
1,983
10,874 (avg. 5.5)
1,649 (83.2%)
35 (1.8%)
High Scores High Scores
1,635
6,945 (avg. 4.2)
1,250 (76.5%)
22 (1.3%)
Isogram Isogram
3,113
11,834 (avg. 3.8)
2,568 (82.5%)
63 (2.0%)
Matching Brackets Matching Brackets
2,472
16,950 (avg. 6.9)
1,321 (53.4%)
39 (1.6%)
Phone Number Phone Number
2,892
20,229 (avg. 7.0)
2,319 (80.2%)
84 (2.9%)
Scale Generator Scale Generator
2,032
5,570 (avg. 2.7)
463 (22.8%)
10 (0.5%)
Series Series
1,744
9,668 (avg. 5.5)
1,174 (67.3%)
21 (1.2%)
Largest Series Product Largest Series Product
1,114
5,932 (avg. 5.3)
724 (65.0%)
12 (1.1%)
Transpose Transpose
2,025
20,285 (avg. 10.0)
838 (41.4%)
21 (1.0%)
Grep Grep
424
2,080 (avg. 4.9)
187 (44.1%)
7 (1.7%)
Rectangles Rectangles
1,647
4,452 (avg. 2.7)
293 (17.8%)
11 (0.7%)
Spiral Matrix Spiral Matrix
648
2,507 (avg. 3.9)
384 (59.3%)
8 (1.2%)
OCR Numbers OCR Numbers
844
3,412 (avg. 4.0)
384 (45.5%)
7 (0.8%)
Saddle Points Saddle Points
802
2,988 (avg. 3.7)
503 (62.7%)
11 (1.4%)
Forth Forth
785
3,740 (avg. 4.8)
271 (34.5%)
11 (1.4%)
Food Chain Food Chain
1,685
4,335 (avg. 2.6)
1,268 (75.3%)
25 (1.5%)
House House
662
3,519 (avg. 5.3)
317 (47.9%)
2 (0.3%)
ISBN Verifier ISBN Verifier
823
3,797 (avg. 4.6)
559 (67.9%)
17 (2.1%)
Pig Latin Pig Latin
898
3,994 (avg. 4.4)
574 (63.9%)
10 (1.1%)
Proverb Proverb
511
2,696 (avg. 5.3)
392 (76.7%)
6 (1.2%)
Twelve Days Twelve Days
511
3,355 (avg. 6.6)
338 (66.1%)
4 (0.8%)
Promises Promises
663
5,770 (avg. 8.7)
178 (26.8%)
7 (1.1%)
Yacht Yacht
388
2,352 (avg. 6.1)
283 (72.9%)
8 (2.1%)
Beer Song Beer Song
2,178
5,023 (avg. 2.3)
1,909 (87.6%)
89 (4.1%)
Resistor Color Trio Resistor Color Trio
460
2,859 (avg. 6.2)
343 (74.6%)
7 (1.5%)
Dominoes Dominoes
275
1,250 (avg. 4.5)
139 (50.5%)
5 (1.8%)
Say Say
519
2,576 (avg. 5.0)
357 (68.8%)
0 (0.0%)
Diamond Diamond
573
2,723 (avg. 4.8)
380 (66.3%)
5 (0.9%)
Rational Numbers Rational Numbers
410
1,618 (avg. 3.9)
285 (69.5%)
2 (0.5%)
Sublist Sublist
613
2,347 (avg. 3.8)
443 (72.3%)
8 (1.3%)
Binary Search Tree Binary Search Tree
653
2,231 (avg. 3.4)
422 (64.6%)
9 (1.4%)
Custom Set Custom Set
537
2,406 (avg. 4.5)
372 (69.3%)
4 (0.7%)
Binary Search Binary Search
605
1,815 (avg. 3.0)
446 (73.7%)
6 (1.0%)
Circular Buffer Circular Buffer
729
1,877 (avg. 2.6)
544 (74.6%)
17 (2.3%)
Simple Linked List Simple Linked List
596
3,214 (avg. 5.4)
352 (59.1%)
6 (1.0%)
Word Search Word Search
532
3,167 (avg. 6.0)
202 (38.0%)
5 (0.9%)
Variable Length Quantity Variable Length Quantity
269
1,140 (avg. 4.2)
154 (57.2%)
1 (0.4%)
Two Bucket Two Bucket
387
1,115 (avg. 2.9)
213 (55.0%)
4 (1.0%)
Alphametics Alphametics
342
1,705 (avg. 5.0)
145 (42.4%)
4 (1.2%)
Connect Connect
262
698 (avg. 2.7)
144 (55.0%)
1 (0.4%)
Bowling Bowling
742
7,139 (avg. 9.6)
247 (33.3%)
4 (0.5%)
Strain Strain
880
1,442 (avg. 1.6)
666 (75.7%)
15 (1.7%)
Flatten Array Flatten Array
999
4,763 (avg. 4.8)
658 (65.9%)
13 (1.3%)
Nth Prime Nth Prime
755
2,537 (avg. 3.4)
510 (67.5%)
3 (0.4%)
Sieve Sieve
711
1,494 (avg. 2.1)
546 (76.8%)
6 (0.8%)
Rotational Cipher Rotational Cipher
1,556
9,889 (avg. 6.4)
849 (54.6%)
31 (2.0%)
Diffie-Hellman Diffie-Hellman
1,389
4,991 (avg. 3.6)
646 (46.5%)
6 (0.4%)
Affine Cipher Affine Cipher
241
1,773 (avg. 7.4)
155 (64.3%)
5 (2.1%)
Atbash Cipher Atbash Cipher
717
2,471 (avg. 3.4)
563 (78.5%)
10 (1.4%)
Crypto Square Crypto Square
754
2,486 (avg. 3.3)
506 (67.1%)
16 (2.1%)
Robot Simulator Robot Simulator
811
3,790 (avg. 4.7)
478 (58.9%)
10 (1.2%)
Kindergarten Garden Kindergarten Garden
442
978 (avg. 2.2)
341 (77.1%)
5 (1.1%)
Sum of Multiples Sum of Multiples
839
3,551 (avg. 4.2)
542 (64.6%)
17 (2.0%)
Change Change
729
4,845 (avg. 6.6)
208 (28.5%)
1 (0.1%)
Protein Translation Protein Translation
4,078
14,404 (avg. 3.5)
2,246 (55.1%)
339 (8.3%)
Armstrong Numbers Armstrong Numbers
3,415
9,593 (avg. 2.8)
2,454 (71.9%)
170 (5.0%)
D&D Character D&D Character
1,822
8,607 (avg. 4.7)
994 (54.6%)
67 (3.7%)
Run-Length Encoding Run-Length Encoding
3,000
9,518 (avg. 3.2)
1,632 (54.4%)
109 (3.6%)
Darts Darts
3,279
6,894 (avg. 2.1)
2,103 (64.1%)
85 (2.6%)
Roman Numerals Roman Numerals
3,098
8,314 (avg. 2.7)
1,783 (57.6%)
71 (2.3%)
Square Root Square Root
869
1,720 (avg. 2.0)
558 (64.2%)
14 (1.6%)
All Your Base All Your Base
1,243
3,177 (avg. 2.6)
618 (49.7%)
37 (3.0%)
Minesweeper Minesweeper
1,292
3,122 (avg. 2.4)
590 (45.7%)
49 (3.8%)
Queen Attack Queen Attack
1,308
4,290 (avg. 3.3)
711 (54.4%)
46 (3.5%)
React React
1,594
3,210 (avg. 2.0)
277 (17.4%)
16 (1.0%)
Zipper Zipper
1,194
1,469 (avg. 1.2)
250 (20.9%)
16 (1.3%)
Zebra Puzzle Zebra Puzzle
125
325 (avg. 2.6)
73 (58.4%)
0 (0.0%)
Tournament Tournament
490
7,294 (avg. 14.9)
246 (50.2%)
14 (2.9%)
Rail Fence Cipher Rail Fence Cipher
451
6,229 (avg. 13.8)
218 (48.3%)
9 (2.0%)
REST API REST API
169
1,539 (avg. 9.1)
101 (59.8%)
0 (0.0%)
Go Counting Go Counting
90
566 (avg. 6.3)
68 (75.6%)
3 (3.3%)
Knapsack Knapsack
176
1,268 (avg. 7.2)
98 (55.7%)
2 (1.1%)
Satellite Satellite
102
376 (avg. 3.7)
70 (68.6%)
0 (0.0%)
Poker Poker
193
4,426 (avg. 22.9)
78 (40.4%)
4 (2.1%)
100 deprecated practice exercises
Started
Attempts
Completions
Mentoring requests
Accumulate Accumulate
556
645 (avg. 1.2)
439 (79.0%)
11 (2.0%)
Accumulate (Legacy) Accumulate (Legacy)
10
12 (avg. 1.2)
10 (100.0%)
0 (0.0%)
Acronym (Legacy) Acronym (Legacy)
7
9 (avg. 1.3)
7 (100.0%)
0 (0.0%)
All Your Base (Legacy) All Your Base (Legacy)
2
2 (avg. 1.0)
2 (100.0%)
0 (0.0%)
Allergies (Legacy) Allergies (Legacy)
12
18 (avg. 1.5)
12 (100.0%)
0 (0.0%)
Alphametics (Legacy) Alphametics (Legacy)
0
0 (avg. 0.0)
0 (0.0%)
0 (0.0%)
Anagram (Legacy) Anagram (Legacy)
32
58 (avg. 1.8)
32 (100.0%)
6 (18.8%)
Armstrong Numbers (Legacy) Armstrong Numbers (Legacy)
3
3 (avg. 1.0)
3 (100.0%)
0 (0.0%)
Atbash Cipher (Legacy) Atbash Cipher (Legacy)
9
14 (avg. 1.6)
9 (100.0%)
1 (11.1%)
Beer Song (Legacy) Beer Song (Legacy)
31
39 (avg. 1.3)
31 (100.0%)
2 (6.5%)
Binary Binary
775
1,042 (avg. 1.3)
754 (97.3%)
38 (4.9%)
Binary (Legacy) Binary (Legacy)
15
20 (avg. 1.3)
15 (100.0%)
0 (0.0%)
Binary Search (Legacy) Binary Search (Legacy)
4
6 (avg. 1.5)
4 (100.0%)
0 (0.0%)
Binary Search Tree (Legacy) Binary Search Tree (Legacy)
4
5 (avg. 1.3)
4 (100.0%)
0 (0.0%)
Bob (Legacy) Bob (Legacy)
94
144 (avg. 1.5)
94 (100.0%)
16 (17.0%)
Bowling (Legacy) Bowling (Legacy)
1
1 (avg. 1.0)
1 (100.0%)
0 (0.0%)
Bracket Push (Legacy) Bracket Push (Legacy)
6
6 (avg. 1.0)
6 (100.0%)
0 (0.0%)
Change (Legacy) Change (Legacy)
1
1 (avg. 1.0)
1 (100.0%)
0 (0.0%)
Circular Buffer (Legacy) Circular Buffer (Legacy)
11
17 (avg. 1.5)
11 (100.0%)
2 (18.2%)
Clock (Legacy) Clock (Legacy)
14
23 (avg. 1.6)
14 (100.0%)
4 (28.6%)
Collatz Conjecture (Legacy) Collatz Conjecture (Legacy)
4
5 (avg. 1.3)
4 (100.0%)
0 (0.0%)
Connect (Legacy) Connect (Legacy)
1
1 (avg. 1.0)
1 (100.0%)
0 (0.0%)
Crypto Square (Legacy) Crypto Square (Legacy)
8
9 (avg. 1.1)
8 (100.0%)
0 (0.0%)
Custom Set (Legacy) Custom Set (Legacy)
4
6 (avg. 1.5)
4 (100.0%)
0 (0.0%)
Diamond (Legacy) Diamond (Legacy)
3
3 (avg. 1.0)
3 (100.0%)
0 (0.0%)
Difference Of Squares (Legacy) Difference Of Squares (Legacy)
6
7 (avg. 1.2)
6 (100.0%)
1 (16.7%)
Diffie Hellman (Legacy) Diffie Hellman (Legacy)
1
1 (avg. 1.0)
1 (100.0%)
0 (0.0%)
Etl (Legacy) Etl (Legacy)
23
29 (avg. 1.3)
23 (100.0%)
2 (8.7%)
Flatten Array (Legacy) Flatten Array (Legacy)
2
2 (avg. 1.0)
2 (100.0%)
0 (0.0%)
Food Chain (Legacy) Food Chain (Legacy)
18
27 (avg. 1.5)
18 (100.0%)
2 (11.1%)
Forth (Legacy) Forth (Legacy)
0
0 (avg. 0.0)
0 (0.0%)
0 (0.0%)
Gigasecond (Legacy) Gigasecond (Legacy)
64
81 (avg. 1.3)
64 (100.0%)
7 (10.9%)
Grade School (Legacy) Grade School (Legacy)
25
36 (avg. 1.4)
25 (100.0%)
4 (16.0%)
Grains (Legacy) Grains (Legacy)
17
23 (avg. 1.4)
17 (100.0%)
2 (11.8%)
Hamming (Legacy) Hamming (Legacy)
127
182 (avg. 1.4)
127 (100.0%)
9 (7.1%)
Hello World (Legacy) Hello World (Legacy)
506
584 (avg. 1.2)
506 (100.0%)
3 (0.6%)
Hexadecimal Hexadecimal
141
165 (avg. 1.2)
136 (96.5%)
2 (1.4%)
Hexadecimal (Legacy) Hexadecimal (Legacy)
3
3 (avg. 1.0)
3 (100.0%)
0 (0.0%)
Isbn Verifier (Legacy) Isbn Verifier (Legacy)
1
1 (avg. 1.0)
1 (100.0%)
0 (0.0%)
Isogram (Legacy) Isogram (Legacy)
8
10 (avg. 1.3)
8 (100.0%)
0 (0.0%)
Kindergarten Garden (Legacy) Kindergarten Garden (Legacy)
4
7 (avg. 1.8)
4 (100.0%)
0 (0.0%)
Largest Series Product (Legacy) Largest Series Product (Legacy)
5
5 (avg. 1.0)
5 (100.0%)
0 (0.0%)
Leap (Legacy) Leap (Legacy)
307
434 (avg. 1.4)
307 (100.0%)
51 (16.6%)
Linked List (Legacy) Linked List (Legacy)
10
13 (avg. 1.3)
10 (100.0%)
0 (0.0%)
List Ops (Legacy) List Ops (Legacy)
3
3 (avg. 1.0)
3 (100.0%)
0 (0.0%)
Luhn (Legacy) Luhn (Legacy)
6
10 (avg. 1.7)
6 (100.0%)
2 (33.3%)
Matrix (Legacy) Matrix (Legacy)
8
9 (avg. 1.1)
8 (100.0%)
0 (0.0%)
Meetup (Legacy) Meetup (Legacy)
3
4 (avg. 1.3)
3 (100.0%)
0 (0.0%)
Minesweeper (Legacy) Minesweeper (Legacy)
3
2 (avg. 0.7)
3 (100.0%)
0 (0.0%)
Nth Prime (Legacy) Nth Prime (Legacy)
4
4 (avg. 1.0)
4 (100.0%)
0 (0.0%)
Nucleotide Count (Legacy) Nucleotide Count (Legacy)
0
0 (avg. 0.0)
0 (0.0%)
0 (0.0%)
Ocr Numbers (Legacy) Ocr Numbers (Legacy)
3
4 (avg. 1.3)
3 (100.0%)
0 (0.0%)
Octal Octal
192
214 (avg. 1.1)
188 (97.9%)
1 (0.5%)
Octal (Legacy) Octal (Legacy)
5
8 (avg. 1.6)
5 (100.0%)
0 (0.0%)
Palindrome Products (Legacy) Palindrome Products (Legacy)
4
8 (avg. 2.0)
4 (100.0%)
0 (0.0%)
Pangram (Legacy) Pangram (Legacy)
58
87 (avg. 1.5)
58 (100.0%)
7 (12.1%)
Pascals Triangle (Legacy) Pascals Triangle (Legacy)
7
8 (avg. 1.1)
7 (100.0%)
0 (0.0%)
Perfect Numbers (Legacy) Perfect Numbers (Legacy)
3
4 (avg. 1.3)
3 (100.0%)
0 (0.0%)
Phone Number (Legacy) Phone Number (Legacy)
31
41 (avg. 1.3)
31 (100.0%)
1 (3.2%)
Pig Latin (Legacy) Pig Latin (Legacy)
6
6 (avg. 1.0)
6 (100.0%)
0 (0.0%)
Point Mutations Point Mutations
66
94 (avg. 1.4)
64 (97.0%)
10 (15.2%)
Point Mutations (Legacy) Point Mutations (Legacy)
0
0 (avg. 0.0)
0 (0.0%)
0 (0.0%)
Prime Factors (Legacy) Prime Factors (Legacy)
13
17 (avg. 1.3)
13 (100.0%)
0 (0.0%)
Protein Translation (Legacy) Protein Translation (Legacy)
3
6 (avg. 2.0)
3 (100.0%)
0 (0.0%)
Proverb (Legacy) Proverb (Legacy)
1
2 (avg. 2.0)
1 (100.0%)
1 (100.0%)
Pythagorean Triplet (Legacy) Pythagorean Triplet (Legacy)
6
8 (avg. 1.3)
6 (100.0%)
0 (0.0%)
Queen Attack (Legacy) Queen Attack (Legacy)
5
7 (avg. 1.4)
5 (100.0%)
1 (20.0%)
Raindrops (Legacy) Raindrops (Legacy)
12
14 (avg. 1.2)
12 (100.0%)
1 (8.3%)
Rational Numbers (Legacy) Rational Numbers (Legacy)
0
0 (avg. 0.0)
0 (0.0%)
0 (0.0%)
Rectangles (Legacy) Rectangles (Legacy)
0
0 (avg. 0.0)
0 (0.0%)
0 (0.0%)
Reverse String (Legacy) Reverse String (Legacy)
14
20 (avg. 1.4)
14 (100.0%)
1 (7.1%)
Rna Transcription (Legacy) Rna Transcription (Legacy)
174
263 (avg. 1.5)
174 (100.0%)
24 (13.8%)
Robot Name (Legacy) Robot Name (Legacy)
23
40 (avg. 1.7)
23 (100.0%)
5 (21.7%)
Robot Simulator (Legacy) Robot Simulator (Legacy)
5
6 (avg. 1.2)
5 (100.0%)
0 (0.0%)
Roman Numerals (Legacy) Roman Numerals (Legacy)
16
27 (avg. 1.7)
16 (100.0%)
1 (6.3%)
Rotational Cipher (Legacy) Rotational Cipher (Legacy)
2
2 (avg. 1.0)
2 (100.0%)
0 (0.0%)
Run Length Encoding (Legacy) Run Length Encoding (Legacy)
7
3 (avg. 0.4)
7 (100.0%)
0 (0.0%)
Saddle Points (Legacy) Saddle Points (Legacy)
3
4 (avg. 1.3)
3 (100.0%)
0 (0.0%)
Say (Legacy) Say (Legacy)
3
3 (avg. 1.0)
3 (100.0%)
0 (0.0%)
Scrabble Score (Legacy) Scrabble Score (Legacy)
13
20 (avg. 1.5)
13 (100.0%)
1 (7.7%)
Secret Handshake (Legacy) Secret Handshake (Legacy)
10
12 (avg. 1.2)
10 (100.0%)
0 (0.0%)
Series (Legacy) Series (Legacy)
6
10 (avg. 1.7)
6 (100.0%)
2 (33.3%)
Sieve (Legacy) Sieve (Legacy)
9
12 (avg. 1.3)
9 (100.0%)
0 (0.0%)
Simple Cipher (Legacy) Simple Cipher (Legacy)
32
46 (avg. 1.4)
32 (100.0%)
5 (15.6%)
Simple Linked List (Legacy) Simple Linked List (Legacy)
2
2 (avg. 1.0)
2 (100.0%)
0 (0.0%)
Space Age (Legacy) Space Age (Legacy)
23
33 (avg. 1.4)
23 (100.0%)
3 (13.0%)
Strain (Legacy) Strain (Legacy)
9
11 (avg. 1.2)
9 (100.0%)
0 (0.0%)
Sublist (Legacy) Sublist (Legacy)
1
1 (avg. 1.0)
1 (100.0%)
0 (0.0%)
Sum Of Multiples (Legacy) Sum Of Multiples (Legacy)
3
4 (avg. 1.3)
3 (100.0%)
1 (33.3%)
Transpose (Legacy) Transpose (Legacy)
1
1 (avg. 1.0)
1 (100.0%)
0 (0.0%)
Triangle (Legacy) Triangle (Legacy)
19
34 (avg. 1.8)
19 (100.0%)
3 (15.8%)
Trinary Trinary
244
290 (avg. 1.2)
240 (98.4%)
2 (0.8%)
Trinary (Legacy) Trinary (Legacy)
5
6 (avg. 1.2)
5 (100.0%)
1 (20.0%)
Twelve Days (Legacy) Twelve Days (Legacy)
1
1 (avg. 1.0)
1 (100.0%)
0 (0.0%)
Two Bucket (Legacy) Two Bucket (Legacy)
4
4 (avg. 1.0)
4 (100.0%)
0 (0.0%)
Two Fer (Legacy) Two Fer (Legacy)
15
19 (avg. 1.3)
15 (100.0%)
2 (13.3%)
Variable Length Quantity (Legacy) Variable Length Quantity (Legacy)
0
0 (avg. 0.0)
0 (0.0%)
0 (0.0%)
Word Count (Legacy) Word Count (Legacy)
53
94 (avg. 1.8)
53 (100.0%)
13 (24.5%)
Wordy (Legacy) Wordy (Legacy)
8
8 (avg. 1.0)
8 (100.0%)
0 (0.0%)
Zipper (Legacy) Zipper (Legacy)
0
0 (avg. 0.0)
0 (0.0%)
0 (0.0%)
15 unimplemented practice exercises
Bottle Song Bottle Song
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DOT DSL DOT DSL
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Error Handling Error Handling
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Hangman Hangman
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Killer Sudoku Helper Killer Sudoku Helper
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Ledger Ledger
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Lens Person Lens Person
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Markdown Markdown
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Micro Blog Micro Blog
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POV POV
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PaaS I/O PaaS I/O
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Parallel Letter Frequency Parallel Letter Frequency
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SGF Parsing SGF Parsing
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State of Tic-Tac-Toe State of Tic-Tac-Toe
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Tree Building Tree Building
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