C#
C#
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C# Track Management

This page provides the Exercism community with the information and tools needed to manage the C# track.

Students
140,103
Submissions
4,781,753
Mentoring Discussions
21,685

The C# track is exemplar ✨

Building

C# 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.

62 concepts being taught
Ar
Arrays
10,624 learnt
Fo
For Loops
10,624 learnt
Fo
Foreach Loops
10,624 learnt
Ba
Basics
36,109 learnt
Bo
Booleans
25,673 learnt
Ca
Casting
3,570 learnt
Ch
Chars
5,776 learnt
St
String Builder
5,776 learnt
Cl
Classes
11,029 learnt
Co
Constants
1,520 learnt
De
Defensive Copying
1,520 learnt
Re
Readonly Collections
1,520 learnt
Co
Constructors
7,029 learnt
Da
Datetimes
6,287 learnt
Di
Dictionaries
4,162 learnt
En
Enums
3,467 learnt
Eq
Equality
1,872 learnt
Se
Sets
1,872 learnt
Ex
Exceptions
3,223 learnt
Co
Conditionals Ternary
2,090 learnt
Ex
Expression Bodied Members
2,090 learnt
Sw
Switch Expressions
2,090 learnt
Th
Throw Expressions
2,090 learnt
At
Attributes
1,960 learnt
Fl
Flag Enums
1,960 learnt
Do
Do While Loops
9,894 learnt
Fl
Floating Point Numbers
9,894 learnt
Wh
While Loops
9,894 learnt
In
Inheritance
5,158 learnt
In
Integral Numbers
2,691 learnt
In
Interfaces
2,091 learnt
Or
Ordering
2,091 learnt
Ge
Generic Types
5,155 learnt
Li
Lists
5,155 learnt
Me
Method Overloading
1,875 learnt
Na
Named Arguments
1,875 learnt
Op
Optional Parameters
1,875 learnt
Na
Namespaces
1,067 learnt
Ne
Nested Types
1,098 learnt
Nu
Nullability
7,607 learnt
If
If Statements
16,423 learnt
Nu
Numbers
16,423 learnt
Ob
Object Initializers
1,680 learnt
Op
Operator Overloading
1,347 learnt
Ov
Overflow
1,726 learnt
Pa
Parameters
1,402 learnt
Pr
Properties
2,386 learnt
Ra
Randomness
8,153 learnt
Re
Regular Expressions
1,067 learnt
Re
Resource Cleanup
1,654 learnt
Re
Resource Lifetime
1,314 learnt
St
String Formatting
1,396 learnt
Ve
Verbatim Strings
1,396 learnt
St
Strings
17,963 learnt
St
Structs
1,165 learnt
Sw
Switch Statements
3,497 learnt
Ti
Time
1,750 learnt
Ti
Timezone
1,750 learnt
Tu
Tuples
9,442 learnt
Ex
Exception Filtering
1,104 learnt
Us
User Defined Exceptions
1,104 learnt
Ex
Extension Methods
9,396 learnt
42 active learning exercises
Started
Attempts
Completions
Mentoring requests
Bird Watcher Bird Watcher
14,847
182,947 (avg. 12.3)
10,624 (71.6%)
142 (1.0%)
Lucian's Luscious Lasagna Lucian's Luscious Lasagna
52,836
298,424 (avg. 5.6)
36,109 (68.3%)
350 (0.7%)
Annalyn's Infiltration Annalyn's Infiltration
31,312
308,301 (avg. 9.8)
25,673 (82.0%)
294 (0.9%)
Secure Munchester United Secure Munchester United
4,078
30,578 (avg. 7.5)
3,570 (87.5%)
37 (0.9%)
Squeaky Clean Squeaky Clean
7,762
172,854 (avg. 22.3)
5,776 (74.4%)
119 (1.5%)
Jedlik's Toys Jedlik's Toys
11,954
131,239 (avg. 11.0)
11,029 (92.3%)
110 (0.9%)
Authentication System Authentication System
1,924
20,760 (avg. 10.8)
1,520 (79.0%)
16 (0.8%)
Need for Speed Need for Speed
7,829
129,113 (avg. 16.5)
7,029 (89.8%)
90 (1.1%)
Booking up for Beauty Booking up for Beauty
6,956
84,738 (avg. 12.2)
6,287 (90.4%)
48 (0.7%)
International Calling Connoisseur International Calling Connoisseur
4,423
61,770 (avg. 14.0)
4,162 (94.1%)
33 (0.7%)
Logs, Logs, Logs! Logs, Logs, Logs!
3,656
33,371 (avg. 9.1)
3,467 (94.8%)
22 (0.6%)
Face ID 2.0 Face ID 2.0
2,161
29,794 (avg. 13.8)
1,872 (86.6%)
32 (1.5%)
Calculator Conundrum Calculator Conundrum
3,385
29,273 (avg. 8.6)
3,223 (95.2%)
34 (1.0%)
The Weather in Deather The Weather in Deather
2,283
16,205 (avg. 7.1)
2,090 (91.5%)
30 (1.3%)
Attack of the Trolls Attack of the Trolls
2,138
24,917 (avg. 11.7)
1,960 (91.7%)
18 (0.8%)
Interest is Interesting Interest is Interesting
11,122
153,513 (avg. 13.8)
9,894 (89.0%)
94 (0.8%)
Wizards and Warriors Wizards and Warriors
5,600
51,035 (avg. 9.1)
5,158 (92.1%)
56 (1.0%)
Hyper-optimized Telemetry Hyper-optimized Telemetry
4,337
64,861 (avg. 15.0)
2,691 (62.0%)
56 (1.3%)
Remote Control Competition Remote Control Competition
2,288
25,048 (avg. 10.9)
2,091 (91.4%)
22 (1.0%)
Tracks on Tracks on Tracks Tracks on Tracks on Tracks
5,485
91,657 (avg. 16.7)
5,155 (94.0%)
50 (0.9%)
Wizards and Warriors 2.0 Wizards and Warriors 2.0
1,969
14,913 (avg. 7.6)
1,875 (95.2%)
16 (0.8%)
Red vs. Blue: Darwin Style Red vs. Blue: Darwin Style
1,150
6,169 (avg. 5.4)
1,067 (92.8%)
3 (0.3%)
Remote Control Cleanup Remote Control Cleanup
1,266
14,248 (avg. 11.3)
1,098 (86.7%)
18 (1.4%)
Tim from Marketing Tim from Marketing
8,055
65,650 (avg. 8.2)
7,607 (94.4%)
74 (0.9%)
Cars, Assemble! Cars, Assemble!
18,114
187,541 (avg. 10.4)
16,423 (90.7%)
158 (0.9%)
Developer Privileges Developer Privileges
1,806
13,420 (avg. 7.4)
1,680 (93.0%)
15 (0.8%)
Hyperia Forex Hyperia Forex
1,464
14,305 (avg. 9.8)
1,347 (92.0%)
20 (1.4%)
Hyperinflation Hits Hyperia Hyperinflation Hits Hyperia
1,801
13,215 (avg. 7.3)
1,726 (95.8%)
12 (0.7%)
Building Telemetry Building Telemetry
1,504
13,826 (avg. 9.2)
1,402 (93.2%)
10 (0.7%)
Weighing Machine Weighing Machine
2,568
42,346 (avg. 16.5)
2,386 (92.9%)
21 (0.8%)
Roll the Die! Roll the Die!
8,552
42,711 (avg. 5.0)
8,153 (95.3%)
58 (0.7%)
Parsing Log Files Parsing Log Files
1,207
20,495 (avg. 17.0)
1,067 (88.4%)
11 (0.9%)
Object Relational Mapping Object Relational Mapping
1,895
18,581 (avg. 9.8)
1,654 (87.3%)
13 (0.7%)
Orm in One Go Orm in One Go
1,396
8,669 (avg. 6.2)
1,314 (94.1%)
13 (0.9%)
High School Sweethearts High School Sweethearts
1,486
25,868 (avg. 17.4)
1,396 (93.9%)
8 (0.5%)
Log Levels Log Levels
23,711
305,317 (avg. 12.9)
17,963 (75.8%)
301 (1.3%)
Land Grab in Space Land Grab in Space
1,271
13,492 (avg. 10.6)
1,165 (91.7%)
15 (1.2%)
Football Match Reports Football Match Reports
3,750
76,613 (avg. 20.4)
3,497 (93.3%)
39 (1.0%)
Beauty Salon Goes Global Beauty Salon Goes Global
2,161
37,997 (avg. 17.6)
1,750 (81.0%)
25 (1.2%)
Phone Number Analysis Phone Number Analysis
10,419
76,851 (avg. 7.4)
9,442 (90.6%)
90 (0.9%)
Instruments of Texas Instruments of Texas
1,212
11,245 (avg. 9.3)
1,104 (91.1%)
18 (1.5%)
Log Analysis Log Analysis
11,677
172,109 (avg. 14.7)
9,396 (80.5%)
123 (1.1%)

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.

Synced primary repo: 6291cb4ee724bd639bd436562c16a1bf41109a55 (Updates should be instant)

Next goal: Implement 134 practice exercises. Find out more.
133 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
110,156
313,614 (avg. 2.8)
75,420 (68.5%)
32 (0.0%)
Two Fer Two Fer
8,375
14,774 (avg. 1.8)
6,620 (79.0%)
2,596 (31.0%)
Leap Leap
16,609
63,762 (avg. 3.8)
14,910 (89.8%)
2,436 (14.7%)
Gigasecond Gigasecond
7,021
13,279 (avg. 1.9)
6,141 (87.5%)
831 (11.8%)
Resistor Color Resistor Color
6,648
25,507 (avg. 3.8)
5,817 (87.5%)
1,639 (24.7%)
Space Age Space Age
6,327
27,791 (avg. 4.4)
5,512 (87.1%)
1,272 (20.1%)
High Scores High Scores
3,537
12,045 (avg. 3.4)
2,985 (84.4%)
973 (27.5%)
Hamming Hamming
4,546
11,233 (avg. 2.5)
4,054 (89.2%)
934 (20.5%)
Nucleotide Count Nucleotide Count
3,720
10,062 (avg. 2.7)
3,387 (91.0%)
864 (23.2%)
Robot Name Robot Name
4,586
38,316 (avg. 8.4)
3,340 (72.8%)
729 (15.9%)
Allergies Allergies
2,900
13,643 (avg. 4.7)
2,216 (76.4%)
457 (15.8%)
Grade School Grade School
2,723
12,090 (avg. 4.4)
2,301 (84.5%)
405 (14.9%)
Rotational Cipher Rotational Cipher
3,344
26,052 (avg. 7.8)
2,770 (82.8%)
347 (10.4%)
Circular Buffer Circular Buffer
1,783
11,875 (avg. 6.7)
1,336 (74.9%)
239 (13.4%)
Clock Clock
1,786
13,362 (avg. 7.5)
1,389 (77.8%)
233 (13.0%)
Bob Bob
9,915
160,869 (avg. 16.2)
7,857 (79.2%)
846 (8.5%)
Matching Brackets Matching Brackets
1,474
10,683 (avg. 7.2)
1,180 (80.1%)
178 (12.1%)
Spiral Matrix Spiral Matrix
1,877
14,265 (avg. 7.6)
1,353 (72.1%)
129 (6.9%)
Tournament Tournament
953
8,316 (avg. 8.7)
675 (70.8%)
95 (10.0%)
Variable Length Quantity Variable Length Quantity
626
3,683 (avg. 5.9)
389 (62.1%)
53 (8.5%)
Dominoes Dominoes
3,096
30,532 (avg. 9.9)
1,061 (34.3%)
85 (2.7%)
Forth Forth
453
4,864 (avg. 10.7)
234 (51.7%)
26 (5.7%)
Pangram Pangram
5,940
20,301 (avg. 3.4)
4,894 (82.4%)
321 (5.4%)
Isogram Isogram
3,991
16,806 (avg. 4.2)
3,576 (89.6%)
179 (4.5%)
Acronym Acronym
3,179
15,951 (avg. 5.0)
2,747 (86.4%)
183 (5.8%)
Grains Grains
2,516
7,512 (avg. 3.0)
2,187 (86.9%)
105 (4.2%)
Perfect Numbers Perfect Numbers
2,117
7,242 (avg. 3.4)
1,883 (88.9%)
78 (3.7%)
Collatz Conjecture Collatz Conjecture
2,716
8,608 (avg. 3.2)
2,513 (92.5%)
90 (3.3%)
Phone Number Phone Number
2,097
12,140 (avg. 5.8)
1,764 (84.1%)
67 (3.2%)
Scrabble Score Scrabble Score
3,936
22,184 (avg. 5.6)
3,379 (85.8%)
126 (3.2%)
Meetup Meetup
1,751
8,649 (avg. 4.9)
1,264 (72.2%)
44 (2.5%)
Difference of Squares Difference of Squares
6,468
35,525 (avg. 5.5)
5,634 (87.1%)
154 (2.4%)
Resistor Color Duo Resistor Color Duo
2,256
12,722 (avg. 5.6)
2,100 (93.1%)
36 (1.6%)
Resistor Color Trio Resistor Color Trio
770
4,894 (avg. 6.4)
699 (90.8%)
7 (0.9%)
Series Series
1,926
7,277 (avg. 3.8)
1,670 (86.7%)
90 (4.7%)
Sum of Multiples Sum of Multiples
4,650
26,321 (avg. 5.7)
3,780 (81.3%)
300 (6.5%)
Accumulate Accumulate
3,078
9,368 (avg. 3.0)
2,551 (82.9%)
133 (4.3%)
All Your Base All Your Base
957
5,893 (avg. 6.2)
722 (75.4%)
22 (2.3%)
Largest Series Product Largest Series Product
940
3,656 (avg. 3.9)
785 (83.5%)
17 (1.8%)
Pascal's Triangle Pascal's Triangle
1,026
4,349 (avg. 4.2)
803 (78.3%)
22 (2.1%)
Prime Factors Prime Factors
1,038
3,544 (avg. 3.4)
913 (88.0%)
19 (1.8%)
Pythagorean Triplet Pythagorean Triplet
2,781
19,312 (avg. 6.9)
1,860 (66.9%)
56 (2.0%)
Armstrong Numbers Armstrong Numbers
1,702
5,764 (avg. 3.4)
1,535 (90.2%)
44 (2.6%)
Darts Darts
4,808
30,456 (avg. 6.3)
4,176 (86.9%)
66 (1.4%)
Triangle Triangle
4,500
37,553 (avg. 8.3)
4,119 (91.5%)
113 (2.5%)
Rational Numbers Rational Numbers
1,046
5,278 (avg. 5.0)
718 (68.6%)
25 (2.4%)
Complex Numbers Complex Numbers
595
2,730 (avg. 4.6)
498 (83.7%)
9 (1.5%)
Raindrops Raindrops
2,308
5,584 (avg. 2.4)
2,165 (93.8%)
155 (6.7%)
Bottle Song Bottle Song
135
1,376 (avg. 10.2)
97 (71.9%)
3 (2.2%)
Proverb Proverb
2,051
13,460 (avg. 6.6)
1,850 (90.2%)
27 (1.3%)
Strain Strain
1,486
3,480 (avg. 2.3)
1,201 (80.8%)
29 (2.0%)
House House
610
2,429 (avg. 4.0)
488 (80.0%)
8 (1.3%)
Protein Translation Protein Translation
2,680
25,066 (avg. 9.4)
2,256 (84.2%)
54 (2.0%)
Roman Numerals Roman Numerals
2,704
20,366 (avg. 7.5)
2,171 (80.3%)
73 (2.7%)
Simple Cipher Simple Cipher
831
4,975 (avg. 6.0)
616 (74.1%)
25 (3.0%)
ETL ETL
2,025
5,511 (avg. 2.7)
1,834 (90.6%)
60 (3.0%)
Parallel Letter Frequency Parallel Letter Frequency
776
3,384 (avg. 4.4)
589 (75.9%)
19 (2.4%)
Alphametics Alphametics
297
243 (avg. 0.8)
102 (34.3%)
1 (0.3%)
Sieve Sieve
1,100
5,927 (avg. 5.4)
967 (87.9%)
24 (2.2%)
Anagram Anagram
2,984
29,398 (avg. 9.9)
2,384 (79.9%)
94 (3.2%)
Binary Search Binary Search
2,451
19,392 (avg. 7.9)
2,049 (83.6%)
70 (2.9%)
Kindergarten Garden Kindergarten Garden
1,216
5,680 (avg. 4.7)
1,042 (85.7%)
77 (6.3%)
Secret Handshake Secret Handshake
1,216
9,089 (avg. 7.5)
978 (80.4%)
28 (2.3%)
Matrix Matrix
736
3,955 (avg. 5.4)
605 (82.2%)
9 (1.2%)
Crypto Square Crypto Square
1,127
12,288 (avg. 10.9)
555 (49.2%)
28 (2.5%)
Food Chain Food Chain
466
3,089 (avg. 6.6)
378 (81.1%)
5 (1.1%)
Minesweeper Minesweeper
475
2,060 (avg. 4.3)
361 (76.0%)
7 (1.5%)
Tree Building Tree Building
473
1,703 (avg. 3.6)
333 (70.4%)
5 (1.1%)
Change Change
482
4,327 (avg. 9.0)
261 (54.1%)
11 (2.3%)
Rectangles Rectangles
615
4,272 (avg. 6.9)
340 (55.3%)
7 (1.1%)
Wordy Wordy
421
3,502 (avg. 8.3)
295 (70.1%)
15 (3.6%)
Connect Connect
262
1,316 (avg. 5.0)
164 (62.6%)
7 (2.7%)
SGF Parsing SGF Parsing
227
971 (avg. 4.3)
135 (59.5%)
0 (0.0%)
Atbash Cipher Atbash Cipher
558
4,498 (avg. 8.1)
487 (87.3%)
17 (3.0%)
Binary Search Tree Binary Search Tree
533
2,479 (avg. 4.7)
374 (70.2%)
8 (1.5%)
Flatten Array Flatten Array
853
5,705 (avg. 6.7)
610 (71.5%)
15 (1.8%)
List Ops List Ops
512
3,029 (avg. 5.9)
416 (81.3%)
16 (3.1%)
Sublist Sublist
525
3,379 (avg. 6.4)
381 (72.6%)
8 (1.5%)
Ledger Ledger
316
1,574 (avg. 5.0)
219 (69.3%)
6 (1.9%)
OCR Numbers OCR Numbers
332
2,253 (avg. 6.8)
255 (76.8%)
5 (1.5%)
Saddle Points Saddle Points
1,675
13,545 (avg. 8.1)
1,099 (65.6%)
69 (4.1%)
Palindrome Products Palindrome Products
276
326 (avg. 1.2)
198 (71.7%)
13 (4.7%)
Hangman Hangman
319
704 (avg. 2.2)
143 (44.8%)
2 (0.6%)
Two Bucket Two Bucket
260
987 (avg. 3.8)
152 (58.5%)
1 (0.4%)
Go Counting Go Counting
282
1,262 (avg. 4.5)
177 (62.8%)
2 (0.7%)
D&D Character D&D Character
924
7,663 (avg. 8.3)
745 (80.6%)
19 (2.1%)
Queen Attack Queen Attack
976
4,158 (avg. 4.3)
866 (88.7%)
14 (1.4%)
Robot Simulator Robot Simulator
969
4,788 (avg. 4.9)
814 (84.0%)
17 (1.8%)
Bank Account Bank Account
880
2,455 (avg. 2.8)
681 (77.4%)
18 (2.0%)
Simple Linked List Simple Linked List
644
4,565 (avg. 7.1)
431 (66.9%)
9 (1.4%)
Error Handling Error Handling
993
3,979 (avg. 4.0)
820 (82.6%)
20 (2.0%)
Affine Cipher Affine Cipher
307
2,387 (avg. 7.8)
219 (71.3%)
3 (1.0%)
ISBN Verifier ISBN Verifier
659
4,792 (avg. 7.3)
544 (82.5%)
13 (2.0%)
Twelve Days Twelve Days
471
1,253 (avg. 2.7)
395 (83.9%)
6 (1.3%)
Word Count Word Count
860
3,580 (avg. 4.2)
719 (83.6%)
30 (3.5%)
Yacht Yacht
412
2,902 (avg. 7.0)
330 (80.1%)
8 (1.9%)
DOT DSL DOT DSL
278
1,434 (avg. 5.2)
190 (68.3%)
2 (0.7%)
Linked List Linked List
781
3,970 (avg. 5.1)
532 (68.1%)
14 (1.8%)
Diamond Diamond
332
1,342 (avg. 4.0)
238 (71.7%)
6 (1.8%)
Grep Grep
362
2,605 (avg. 7.2)
264 (72.9%)
4 (1.1%)
Luhn Luhn
676
6,890 (avg. 10.2)
574 (84.9%)
7 (1.0%)
Markdown Markdown
586
2,524 (avg. 4.3)
405 (69.1%)
26 (4.4%)
State of Tic-Tac-Toe State of Tic-Tac-Toe
42
296 (avg. 7.0)
30 (71.4%)
1 (2.4%)
Word Search Word Search
739
9,080 (avg. 12.3)
399 (54.0%)
11 (1.5%)
Bowling Bowling
537
7,146 (avg. 13.3)
294 (54.7%)
10 (1.9%)
REST API REST API
491
5,310 (avg. 10.8)
193 (39.3%)
10 (2.0%)
Poker Poker
344
2,372 (avg. 6.9)
173 (50.3%)
2 (0.6%)
Run-Length Encoding Run-Length Encoding
1,590
25,969 (avg. 16.3)
1,307 (82.2%)
49 (3.1%)
Pig Latin Pig Latin
1,123
13,692 (avg. 12.2)
631 (56.2%)
33 (2.9%)
Transpose Transpose
639
8,641 (avg. 13.5)
381 (59.6%)
3 (0.5%)
Say Say
377
3,191 (avg. 8.5)
288 (76.4%)
6 (1.6%)
Book Store Book Store
972
8,396 (avg. 8.6)
482 (49.6%)
29 (3.0%)
Custom Set Custom Set
286
1,988 (avg. 7.0)
217 (75.9%)
1 (0.3%)
Nth Prime Nth Prime
324
1,342 (avg. 4.1)
261 (80.6%)
4 (1.2%)
Rail Fence Cipher Rail Fence Cipher
807
9,266 (avg. 11.5)
442 (54.8%)
14 (1.7%)
Diffie-Hellman Diffie-Hellman
1,620
9,625 (avg. 5.9)
1,006 (62.1%)
18 (1.1%)
Zebra Puzzle Zebra Puzzle
376
1,099 (avg. 2.9)
176 (46.8%)
3 (0.8%)
React React
366
2,073 (avg. 5.7)
164 (44.8%)
4 (1.1%)
POV POV
188
1,152 (avg. 6.1)
119 (63.3%)
1 (0.5%)
Zipper Zipper
198
887 (avg. 4.5)
122 (61.6%)
1 (0.5%)
Reverse String Reverse String
6,108
20,079 (avg. 3.3)
5,529 (90.5%)
166 (2.7%)
RNA Transcription RNA Transcription
2,401
5,136 (avg. 2.1)
2,090 (87.0%)
95 (4.0%)
Conway's Game of Life Conway's Game of Life
314
2,080 (avg. 6.6)
161 (51.3%)
6 (1.9%)
Eliud's Eggs Eliud's Eggs
539
2,906 (avg. 5.4)
429 (79.6%)
4 (0.7%)
Knapsack Knapsack
274
1,980 (avg. 7.2)
142 (51.8%)
2 (0.7%)
Square Root Square Root
290
1,316 (avg. 4.5)
245 (84.5%)
2 (0.7%)
Killer Sudoku Helper Killer Sudoku Helper
45
95 (avg. 2.1)
22 (48.9%)
0 (0.0%)
Satellite Satellite
36
307 (avg. 8.5)
26 (72.2%)
1 (2.8%)
Intergalactic Transmission Intergalactic Transmission
14
100 (avg. 7.1)
13 (92.9%)
0 (0.0%)
Relative Distance Relative Distance
14
46 (avg. 3.3)
7 (50.0%)
0 (0.0%)
Split-Second Stopwatch Split-Second Stopwatch
39
369 (avg. 9.5)
21 (53.8%)
0 (0.0%)
Baffling Birthdays Baffling Birthdays
22
186 (avg. 8.5)
17 (77.3%)
0 (0.0%)
Swift Scheduling Swift Scheduling
20
125 (avg. 6.3)
12 (60.0%)
1 (5.0%)
6 deprecated practice exercises
Started
Attempts
Completions
Mentoring requests
Beer Song Beer Song
1,942
26,902 (avg. 13.9)
1,518 (78.2%)
33 (1.7%)
Binary Binary
80
106 (avg. 1.3)
79 (98.8%)
6 (7.5%)
Hexadecimal Hexadecimal
22
23 (avg. 1.0)
21 (95.5%)
0 (0.0%)
Octal Octal
43
50 (avg. 1.2)
42 (97.7%)
2 (4.7%)
Scale Generator Scale Generator
545
3,853 (avg. 7.1)
343 (62.9%)
4 (0.7%)
Trinary Trinary
52
67 (avg. 1.3)
51 (98.1%)
3 (5.8%)
1 unimplemented practice exercise
Piecing It Together Piecing It Together
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6 foregone practice exercises
Counter Counter
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Lens Person Lens Person
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Micro Blog Micro Blog
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Nucleotide Codons Nucleotide Codons
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PaaS I/O PaaS I/O
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Point Mutations Point Mutations
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Programming Tags

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Help manage the tags used to group, filter and recommend solutions, approaches and articles.

244 tags

Test Runner

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

Current version: 64e144cf598378d18b1a36b756b07a126b16e0dd (Takes up to 10 mins to deploy)

Total Test Runner Runs
4,712,619
Test Run Pass Rate
14.6% (688259)
Test Run Fail Rate
39.4% (1856149)
Test Run Error Rate
46.0% (2168211)

Representer

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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.

Current version: 8ba686a767099e087d0aefe03030d24c9c1153c5 (Takes up to 10 mins to deploy)

Total Representer Runs
645,561
Total Representation Comments Made
72,729
Feedback Given Frequency
11.3%

Analyzer

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

Current version: 3678f4aba42d7ad4f043ea5d8d7afd35a61ce081 (Takes up to 10 mins to deploy)

Total Analyzer Runs
637,098
Total Analysis Comments Made
304,670
Feedback Given Frequency
5.4%