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
136,027
Submissions
4,647,343
Mentoring Discussions
21,616

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
10,187 learnt
Fo
For Loops
10,187 learnt
Fo
Foreach Loops
10,187 learnt
Ba
Basics
34,829 learnt
Bo
Booleans
24,765 learnt
Ca
Casting
3,408 learnt
Ch
Chars
5,542 learnt
St
String Builder
5,542 learnt
Cl
Classes
10,626 learnt
Co
Constants
1,452 learnt
De
Defensive Copying
1,452 learnt
Re
Readonly Collections
1,452 learnt
Co
Constructors
6,749 learnt
Da
Datetimes
6,039 learnt
Di
Dictionaries
3,999 learnt
En
Enums
3,320 learnt
Eq
Equality
1,789 learnt
Se
Sets
1,789 learnt
Ex
Exceptions
3,087 learnt
Co
Conditionals Ternary
1,995 learnt
Ex
Expression Bodied Members
1,995 learnt
Sw
Switch Expressions
1,995 learnt
Th
Throw Expressions
1,995 learnt
At
Attributes
1,861 learnt
Fl
Flag Enums
1,861 learnt
Do
Do While Loops
9,521 learnt
Fl
Floating Point Numbers
9,521 learnt
Wh
While Loops
9,521 learnt
In
Inheritance
4,957 learnt
In
Integral Numbers
2,582 learnt
In
Interfaces
2,005 learnt
Or
Ordering
2,005 learnt
Ge
Generic Types
4,962 learnt
Li
Lists
4,962 learnt
Me
Method Overloading
1,799 learnt
Na
Named Arguments
1,799 learnt
Op
Optional Parameters
1,799 learnt
Na
Namespaces
1,029 learnt
Ne
Nested Types
1,065 learnt
Nu
Nullability
7,342 learnt
If
If Statements
15,872 learnt
Nu
Numbers
15,872 learnt
Ob
Object Initializers
1,624 learnt
Op
Operator Overloading
1,295 learnt
Ov
Overflow
1,655 learnt
Pa
Parameters
1,355 learnt
Pr
Properties
2,294 learnt
Ra
Randomness
7,879 learnt
Re
Regular Expressions
1,036 learnt
Re
Resource Cleanup
1,601 learnt
Re
Resource Lifetime
1,271 learnt
St
String Formatting
1,353 learnt
Ve
Verbatim Strings
1,353 learnt
St
Strings
17,362 learnt
St
Structs
1,127 learnt
Sw
Switch Statements
3,370 learnt
Ti
Time
1,698 learnt
Ti
Timezone
1,698 learnt
Tu
Tuples
9,131 learnt
Ex
Exception Filtering
1,070 learnt
Us
User Defined Exceptions
1,070 learnt
Ex
Extension Methods
9,072 learnt
42 active learning exercises
Started
Attempts
Completions
Mentoring requests
Bird Watcher Bird Watcher
14,129
176,577 (avg. 12.5)
10,187 (72.1%)
137 (1.0%)
Lucian's Luscious Lasagna Lucian's Luscious Lasagna
50,930
287,582 (avg. 5.6)
34,829 (68.4%)
342 (0.7%)
Annalyn's Infiltration Annalyn's Infiltration
30,178
299,173 (avg. 9.9)
24,765 (82.1%)
283 (0.9%)
Secure Munchester United Secure Munchester United
3,877
29,399 (avg. 7.6)
3,408 (87.9%)
37 (1.0%)
Squeaky Clean Squeaky Clean
7,451
167,675 (avg. 22.5)
5,542 (74.4%)
116 (1.6%)
Jedlik's Toys Jedlik's Toys
11,519
127,399 (avg. 11.1)
10,626 (92.2%)
109 (0.9%)
Authentication System Authentication System
1,825
19,806 (avg. 10.9)
1,452 (79.6%)
14 (0.8%)
Need for Speed Need for Speed
7,515
124,931 (avg. 16.6)
6,749 (89.8%)
90 (1.2%)
Booking up for Beauty Booking up for Beauty
6,686
81,880 (avg. 12.2)
6,039 (90.3%)
48 (0.7%)
International Calling Connoisseur International Calling Connoisseur
4,246
59,703 (avg. 14.1)
3,999 (94.2%)
32 (0.8%)
Logs, Logs, Logs! Logs, Logs, Logs!
3,501
32,187 (avg. 9.2)
3,320 (94.8%)
22 (0.6%)
Face ID 2.0 Face ID 2.0
2,067
28,769 (avg. 13.9)
1,789 (86.6%)
32 (1.5%)
Calculator Conundrum Calculator Conundrum
3,239
28,102 (avg. 8.7)
3,087 (95.3%)
34 (1.0%)
The Weather in Deather The Weather in Deather
2,183
15,661 (avg. 7.2)
1,995 (91.4%)
28 (1.3%)
Attack of the Trolls Attack of the Trolls
2,039
23,984 (avg. 11.8)
1,861 (91.3%)
17 (0.8%)
Interest is Interesting Interest is Interesting
10,702
148,850 (avg. 13.9)
9,521 (89.0%)
94 (0.9%)
Wizards and Warriors Wizards and Warriors
5,376
49,445 (avg. 9.2)
4,957 (92.2%)
56 (1.0%)
Hyper-optimized Telemetry Hyper-optimized Telemetry
4,161
62,952 (avg. 15.1)
2,582 (62.1%)
55 (1.3%)
Remote Control Competition Remote Control Competition
2,190
24,093 (avg. 11.0)
2,005 (91.6%)
22 (1.0%)
Tracks on Tracks on Tracks Tracks on Tracks on Tracks
5,281
88,873 (avg. 16.8)
4,962 (94.0%)
50 (0.9%)
Wizards and Warriors 2.0 Wizards and Warriors 2.0
1,886
14,333 (avg. 7.6)
1,799 (95.4%)
16 (0.8%)
Red vs. Blue: Darwin Style Red vs. Blue: Darwin Style
1,106
5,922 (avg. 5.4)
1,029 (93.0%)
3 (0.3%)
Remote Control Cleanup Remote Control Cleanup
1,220
13,829 (avg. 11.3)
1,065 (87.3%)
18 (1.5%)
Tim from Marketing Tim from Marketing
7,780
63,723 (avg. 8.2)
7,342 (94.4%)
72 (0.9%)
Cars, Assemble! Cars, Assemble!
17,504
182,418 (avg. 10.4)
15,872 (90.7%)
157 (0.9%)
Developer Privileges Developer Privileges
1,744
12,936 (avg. 7.4)
1,624 (93.1%)
14 (0.8%)
Hyperia Forex Hyperia Forex
1,408
13,824 (avg. 9.8)
1,295 (92.0%)
19 (1.3%)
Hyperinflation Hits Hyperia Hyperinflation Hits Hyperia
1,729
12,607 (avg. 7.3)
1,655 (95.7%)
12 (0.7%)
Building Telemetry Building Telemetry
1,454
13,425 (avg. 9.2)
1,355 (93.2%)
10 (0.7%)
Weighing Machine Weighing Machine
2,470
41,088 (avg. 16.6)
2,294 (92.9%)
21 (0.9%)
Roll the Die! Roll the Die!
8,268
41,441 (avg. 5.0)
7,879 (95.3%)
54 (0.7%)
Parsing Log Files Parsing Log Files
1,174
20,072 (avg. 17.1)
1,036 (88.2%)
11 (0.9%)
Object Relational Mapping Object Relational Mapping
1,830
17,823 (avg. 9.7)
1,601 (87.5%)
13 (0.7%)
Orm in One Go Orm in One Go
1,349
8,387 (avg. 6.2)
1,271 (94.2%)
13 (1.0%)
High School Sweethearts High School Sweethearts
1,440
25,129 (avg. 17.5)
1,353 (94.0%)
8 (0.6%)
Log Levels Log Levels
22,934
297,775 (avg. 13.0)
17,362 (75.7%)
298 (1.3%)
Land Grab in Space Land Grab in Space
1,229
13,124 (avg. 10.7)
1,127 (91.7%)
15 (1.2%)
Football Match Reports Football Match Reports
3,616
74,420 (avg. 20.6)
3,370 (93.2%)
36 (1.0%)
Beauty Salon Goes Global Beauty Salon Goes Global
2,089
37,024 (avg. 17.7)
1,698 (81.3%)
25 (1.2%)
Phone Number Analysis Phone Number Analysis
10,087
74,834 (avg. 7.4)
9,131 (90.5%)
89 (0.9%)
Instruments of Texas Instruments of Texas
1,179
10,861 (avg. 9.2)
1,070 (90.8%)
18 (1.5%)
Log Analysis Log Analysis
11,271
166,567 (avg. 14.8)
9,072 (80.5%)
121 (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: 1607b8f9f669afa8b60dcc233593ad692721e0db (Updates should be instant)

Next goal: Implement 134 practice exercises. Find out more.
130 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
106,253
302,999 (avg. 2.9)
72,923 (68.6%)
32 (0.0%)
Two Fer Two Fer
8,322
14,599 (avg. 1.8)
6,574 (79.0%)
2,596 (31.2%)
Leap Leap
16,313
62,330 (avg. 3.8)
14,630 (89.7%)
2,433 (14.9%)
Gigasecond Gigasecond
6,942
13,035 (avg. 1.9)
6,071 (87.5%)
831 (12.0%)
Resistor Color Resistor Color
6,554
25,074 (avg. 3.8)
5,734 (87.5%)
1,639 (25.0%)
Space Age Space Age
6,218
27,103 (avg. 4.4)
5,410 (87.0%)
1,272 (20.5%)
High Scores High Scores
3,490
11,768 (avg. 3.4)
2,950 (84.5%)
973 (27.9%)
Hamming Hamming
4,501
11,049 (avg. 2.5)
4,012 (89.1%)
934 (20.8%)
Nucleotide Count Nucleotide Count
3,683
9,907 (avg. 2.7)
3,351 (91.0%)
864 (23.5%)
Robot Name Robot Name
4,517
37,583 (avg. 8.3)
3,285 (72.7%)
727 (16.1%)
Allergies Allergies
2,852
13,388 (avg. 4.7)
2,183 (76.5%)
457 (16.0%)
Grade School Grade School
2,689
11,790 (avg. 4.4)
2,273 (84.5%)
405 (15.1%)
Rotational Cipher Rotational Cipher
3,260
25,222 (avg. 7.7)
2,698 (82.8%)
344 (10.6%)
Circular Buffer Circular Buffer
1,756
11,586 (avg. 6.6)
1,312 (74.7%)
238 (13.6%)
Clock Clock
1,764
13,024 (avg. 7.4)
1,371 (77.7%)
233 (13.2%)
Bob Bob
9,821
159,573 (avg. 16.2)
7,777 (79.2%)
846 (8.6%)
Matching Brackets Matching Brackets
1,452
10,547 (avg. 7.3)
1,158 (79.8%)
178 (12.3%)
Spiral Matrix Spiral Matrix
1,847
14,084 (avg. 7.6)
1,328 (71.9%)
129 (7.0%)
Tournament Tournament
931
8,034 (avg. 8.6)
658 (70.7%)
95 (10.2%)
Variable Length Quantity Variable Length Quantity
611
3,532 (avg. 5.8)
379 (62.0%)
53 (8.7%)
Dominoes Dominoes
2,999
29,668 (avg. 9.9)
1,023 (34.1%)
83 (2.8%)
Forth Forth
439
4,662 (avg. 10.6)
227 (51.7%)
25 (5.7%)
Pangram Pangram
5,868
19,950 (avg. 3.4)
4,824 (82.2%)
321 (5.5%)
Isogram Isogram
3,933
16,506 (avg. 4.2)
3,520 (89.5%)
179 (4.6%)
Acronym Acronym
3,139
15,694 (avg. 5.0)
2,706 (86.2%)
183 (5.8%)
Grains Grains
2,499
7,426 (avg. 3.0)
2,172 (86.9%)
105 (4.2%)
Perfect Numbers Perfect Numbers
2,096
7,104 (avg. 3.4)
1,863 (88.9%)
78 (3.7%)
Collatz Conjecture Collatz Conjecture
2,683
8,449 (avg. 3.1)
2,482 (92.5%)
90 (3.4%)
Phone Number Phone Number
2,069
11,909 (avg. 5.8)
1,745 (84.3%)
66 (3.2%)
Scrabble Score Scrabble Score
3,870
21,851 (avg. 5.6)
3,322 (85.8%)
126 (3.3%)
Meetup Meetup
1,732
8,536 (avg. 4.9)
1,249 (72.1%)
44 (2.5%)
Difference of Squares Difference of Squares
6,319
34,784 (avg. 5.5)
5,506 (87.1%)
151 (2.4%)
Resistor Color Duo Resistor Color Duo
2,202
12,530 (avg. 5.7)
2,051 (93.1%)
36 (1.6%)
Resistor Color Trio Resistor Color Trio
755
4,732 (avg. 6.3)
685 (90.7%)
7 (0.9%)
Series Series
1,904
7,171 (avg. 3.8)
1,651 (86.7%)
90 (4.7%)
Sum of Multiples Sum of Multiples
4,581
25,855 (avg. 5.6)
3,730 (81.4%)
300 (6.5%)
Accumulate Accumulate
3,027
9,253 (avg. 3.1)
2,509 (82.9%)
132 (4.4%)
All Your Base All Your Base
942
5,761 (avg. 6.1)
711 (75.5%)
22 (2.3%)
Largest Series Product Largest Series Product
932
3,593 (avg. 3.9)
777 (83.4%)
17 (1.8%)
Pascal's Triangle Pascal's Triangle
1,012
4,316 (avg. 4.3)
793 (78.4%)
22 (2.2%)
Prime Factors Prime Factors
1,024
3,477 (avg. 3.4)
901 (88.0%)
19 (1.9%)
Pythagorean Triplet Pythagorean Triplet
2,727
18,998 (avg. 7.0)
1,828 (67.0%)
54 (2.0%)
Armstrong Numbers Armstrong Numbers
1,679
5,687 (avg. 3.4)
1,513 (90.1%)
44 (2.6%)
Darts Darts
4,684
29,909 (avg. 6.4)
4,065 (86.8%)
65 (1.4%)
Triangle Triangle
4,407
36,829 (avg. 8.4)
4,032 (91.5%)
112 (2.5%)
Rational Numbers Rational Numbers
1,035
5,108 (avg. 4.9)
708 (68.4%)
25 (2.4%)
Complex Numbers Complex Numbers
580
2,661 (avg. 4.6)
487 (84.0%)
9 (1.6%)
Raindrops Raindrops
2,281
5,474 (avg. 2.4)
2,138 (93.7%)
155 (6.8%)
Bottle Song Bottle Song
92
1,005 (avg. 10.9)
65 (70.7%)
3 (3.3%)
Proverb Proverb
2,013
13,118 (avg. 6.5)
1,813 (90.1%)
27 (1.3%)
Strain Strain
1,470
3,438 (avg. 2.3)
1,190 (81.0%)
27 (1.8%)
House House
597
2,304 (avg. 3.9)
477 (79.9%)
8 (1.3%)
Protein Translation Protein Translation
2,642
24,722 (avg. 9.4)
2,229 (84.4%)
54 (2.0%)
Roman Numerals Roman Numerals
2,647
20,047 (avg. 7.6)
2,125 (80.3%)
72 (2.7%)
Simple Cipher Simple Cipher
816
4,915 (avg. 6.0)
607 (74.4%)
25 (3.1%)
ETL ETL
2,001
5,391 (avg. 2.7)
1,812 (90.6%)
60 (3.0%)
Parallel Letter Frequency Parallel Letter Frequency
764
3,337 (avg. 4.4)
579 (75.8%)
19 (2.5%)
Alphametics Alphametics
292
227 (avg. 0.8)
97 (33.2%)
1 (0.3%)
Sieve Sieve
1,089
5,830 (avg. 5.4)
955 (87.7%)
24 (2.2%)
Anagram Anagram
2,929
28,922 (avg. 9.9)
2,344 (80.0%)
94 (3.2%)
Binary Search Binary Search
2,403
18,988 (avg. 7.9)
2,005 (83.4%)
70 (2.9%)
Kindergarten Garden Kindergarten Garden
1,195
5,588 (avg. 4.7)
1,027 (85.9%)
76 (6.4%)
Secret Handshake Secret Handshake
1,201
9,032 (avg. 7.5)
967 (80.5%)
28 (2.3%)
Matrix Matrix
720
3,907 (avg. 5.4)
596 (82.8%)
9 (1.3%)
Crypto Square Crypto Square
1,099
12,028 (avg. 10.9)
541 (49.2%)
28 (2.5%)
Food Chain Food Chain
456
3,039 (avg. 6.7)
368 (80.7%)
5 (1.1%)
Minesweeper Minesweeper
466
1,950 (avg. 4.2)
353 (75.8%)
7 (1.5%)
Scale Generator Scale Generator
541
3,786 (avg. 7.0)
339 (62.7%)
4 (0.7%)
Tree Building Tree Building
461
1,665 (avg. 3.6)
324 (70.3%)
5 (1.1%)
Change Change
469
4,184 (avg. 8.9)
251 (53.5%)
11 (2.3%)
Rectangles Rectangles
602
4,192 (avg. 7.0)
328 (54.5%)
6 (1.0%)
Wordy Wordy
409
3,405 (avg. 8.3)
285 (69.7%)
15 (3.7%)
Connect Connect
256
1,302 (avg. 5.1)
161 (62.9%)
7 (2.7%)
SGF Parsing SGF Parsing
223
939 (avg. 4.2)
130 (58.3%)
0 (0.0%)
Atbash Cipher Atbash Cipher
549
4,428 (avg. 8.1)
480 (87.4%)
16 (2.9%)
Binary Search Tree Binary Search Tree
526
2,401 (avg. 4.6)
368 (70.0%)
8 (1.5%)
Flatten Array Flatten Array
832
5,604 (avg. 6.7)
592 (71.2%)
14 (1.7%)
List Ops List Ops
500
2,864 (avg. 5.7)
405 (81.0%)
16 (3.2%)
Sublist Sublist
515
3,300 (avg. 6.4)
373 (72.4%)
8 (1.6%)
Ledger Ledger
310
1,553 (avg. 5.0)
214 (69.0%)
6 (1.9%)
OCR Numbers OCR Numbers
326
2,216 (avg. 6.8)
248 (76.1%)
5 (1.5%)
Saddle Points Saddle Points
1,644
13,305 (avg. 8.1)
1,077 (65.5%)
68 (4.1%)
Palindrome Products Palindrome Products
272
324 (avg. 1.2)
196 (72.1%)
13 (4.8%)
Hangman Hangman
310
625 (avg. 2.0)
140 (45.2%)
2 (0.6%)
Two Bucket Two Bucket
255
980 (avg. 3.8)
149 (58.4%)
1 (0.4%)
Go Counting Go Counting
279
1,199 (avg. 4.3)
175 (62.7%)
2 (0.7%)
D&D Character D&D Character
907
7,527 (avg. 8.3)
732 (80.7%)
19 (2.1%)
Queen Attack Queen Attack
963
4,105 (avg. 4.3)
854 (88.7%)
14 (1.5%)
Robot Simulator Robot Simulator
950
4,699 (avg. 4.9)
800 (84.2%)
17 (1.8%)
Bank Account Bank Account
865
2,386 (avg. 2.8)
670 (77.5%)
18 (2.1%)
Simple Linked List Simple Linked List
636
4,505 (avg. 7.1)
427 (67.1%)
9 (1.4%)
Error Handling Error Handling
978
3,843 (avg. 3.9)
805 (82.3%)
20 (2.0%)
Affine Cipher Affine Cipher
303
2,380 (avg. 7.9)
216 (71.3%)
3 (1.0%)
ISBN Verifier ISBN Verifier
645
4,723 (avg. 7.3)
531 (82.3%)
13 (2.0%)
Twelve Days Twelve Days
465
1,221 (avg. 2.6)
389 (83.7%)
6 (1.3%)
Word Count Word Count
851
3,550 (avg. 4.2)
712 (83.7%)
30 (3.5%)
Yacht Yacht
406
2,848 (avg. 7.0)
325 (80.0%)
8 (2.0%)
DOT DSL DOT DSL
272
1,351 (avg. 5.0)
185 (68.0%)
2 (0.7%)
Linked List Linked List
763
3,877 (avg. 5.1)
522 (68.4%)
14 (1.8%)
Diamond Diamond
326
1,263 (avg. 3.9)
234 (71.8%)
6 (1.8%)
Grep Grep
357
2,573 (avg. 7.2)
260 (72.8%)
4 (1.1%)
Luhn Luhn
666
6,829 (avg. 10.3)
565 (84.8%)
7 (1.1%)
Markdown Markdown
580
2,488 (avg. 4.3)
398 (68.6%)
26 (4.5%)
State of Tic-Tac-Toe State of Tic-Tac-Toe
28
137 (avg. 4.9)
17 (60.7%)
1 (3.6%)
Word Search Word Search
725
8,908 (avg. 12.3)
386 (53.2%)
11 (1.5%)
Bowling Bowling
525
6,799 (avg. 13.0)
287 (54.7%)
10 (1.9%)
REST API REST API
472
4,995 (avg. 10.6)
186 (39.4%)
10 (2.1%)
Poker Poker
338
2,311 (avg. 6.8)
169 (50.0%)
2 (0.6%)
Run-Length Encoding Run-Length Encoding
1,551
25,410 (avg. 16.4)
1,273 (82.1%)
48 (3.1%)
Pig Latin Pig Latin
1,095
13,390 (avg. 12.2)
616 (56.3%)
32 (2.9%)
Transpose Transpose
627
8,412 (avg. 13.4)
374 (59.6%)
3 (0.5%)
Say Say
371
3,072 (avg. 8.3)
284 (76.5%)
6 (1.6%)
Book Store Book Store
954
8,294 (avg. 8.7)
472 (49.5%)
29 (3.0%)
Custom Set Custom Set
279
1,912 (avg. 6.9)
213 (76.3%)
1 (0.4%)
Nth Prime Nth Prime
320
1,322 (avg. 4.1)
256 (80.0%)
4 (1.3%)
Rail Fence Cipher Rail Fence Cipher
787
9,145 (avg. 11.6)
433 (55.0%)
14 (1.8%)
Diffie-Hellman Diffie-Hellman
1,584
9,470 (avg. 6.0)
981 (61.9%)
17 (1.1%)
Zebra Puzzle Zebra Puzzle
371
1,079 (avg. 2.9)
171 (46.1%)
3 (0.8%)
React React
357
2,030 (avg. 5.7)
162 (45.4%)
4 (1.1%)
POV POV
183
1,093 (avg. 6.0)
116 (63.4%)
1 (0.5%)
Zipper Zipper
194
851 (avg. 4.4)
118 (60.8%)
1 (0.5%)
Reverse String Reverse String
6,009
19,626 (avg. 3.3)
5,441 (90.5%)
166 (2.8%)
RNA Transcription RNA Transcription
2,389
5,095 (avg. 2.1)
2,078 (87.0%)
95 (4.0%)
Conway's Game of Life Conway's Game of Life
281
1,871 (avg. 6.7)
149 (53.0%)
6 (2.1%)
Eliud's Eggs Eliud's Eggs
496
2,773 (avg. 5.6)
397 (80.0%)
4 (0.8%)
Knapsack Knapsack
263
1,879 (avg. 7.1)
133 (50.6%)
2 (0.8%)
Square Root Square Root
208
947 (avg. 4.6)
174 (83.7%)
2 (1.0%)
Killer Sudoku Helper Killer Sudoku Helper
32
69 (avg. 2.2)
15 (46.9%)
0 (0.0%)
Satellite Satellite
28
277 (avg. 9.9)
18 (64.3%)
1 (3.6%)
Split-Second Stopwatch Split-Second Stopwatch
9
83 (avg. 9.2)
4 (44.4%)
0 (0.0%)
5 deprecated practice exercises
Started
Attempts
Completions
Mentoring requests
Beer Song Beer Song
1,942
26,896 (avg. 13.8)
1,515 (78.0%)
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%)
Trinary Trinary
52
67 (avg. 1.3)
51 (98.1%)
3 (5.8%)
4 unimplemented practice exercises
Baffling Birthdays Baffling Birthdays
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Intergalactic Transmission Intergalactic Transmission
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Relative Distance Relative Distance
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Swift Scheduling Swift Scheduling
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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: 16879c1af8c0419179ebf5574eee021e4ae15441 (Takes up to 10 mins to deploy)

Total Test Runner Runs
4,579,911
Test Run Pass Rate
14.6% (667391)
Test Run Fail Rate
39.5% (1807955)
Test Run Error Rate
46.0% (2104565)

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
626,951
Total Representation Comments Made
69,718
Feedback Given Frequency
11.1%

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
619,063
Total Analysis Comments Made
298,073
Feedback Given Frequency
5.4%