Nim Track Management

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

Students
3,686
Submissions
57,427
Mentoring Discussions
754

The Nim track needs attention ⚠️

Building

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: 04503599747ae51785febeed674255da4882b833 (Updates should be instant)

Next goal: Implement 131 practice exercises. Find out more.
71 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
2,919
4,090 (avg. 1.4)
2,551 (87.4%)
0 (0.0%)
Two Fer Two Fer
1,654
6,612 (avg. 4.0)
1,190 (71.9%)
217 (13.1%)
Leap Leap
1,194
3,410 (avg. 2.9)
1,009 (84.5%)
128 (10.7%)
Bob Bob
750
6,105 (avg. 8.1)
500 (66.7%)
94 (12.5%)
Allergies Allergies
578
3,904 (avg. 6.8)
410 (70.9%)
61 (10.6%)
Sum of Multiples Sum of Multiples
393
2,373 (avg. 6.0)
302 (76.8%)
40 (10.2%)
Grade School Grade School
274
1,501 (avg. 5.5)
203 (74.1%)
30 (10.9%)
Hamming Hamming
468
1,244 (avg. 2.7)
405 (86.5%)
15 (3.2%)
Pangram Pangram
513
1,278 (avg. 2.5)
421 (82.1%)
15 (2.9%)
Acronym Acronym
281
1,097 (avg. 3.9)
236 (84.0%)
11 (3.9%)
Isogram Isogram
434
1,002 (avg. 2.3)
362 (83.4%)
14 (3.2%)
Difference of Squares Difference of Squares
275
728 (avg. 2.6)
231 (84.0%)
8 (2.9%)
Triangle Triangle
235
966 (avg. 4.1)
185 (78.7%)
10 (4.3%)
Anagram Anagram
214
659 (avg. 3.1)
178 (83.2%)
4 (1.9%)
Matching Brackets Matching Brackets
186
831 (avg. 4.5)
142 (76.3%)
5 (2.7%)
Word Count Word Count
262
1,032 (avg. 3.9)
190 (72.5%)
3 (1.1%)
Armstrong Numbers Armstrong Numbers
203
758 (avg. 3.7)
169 (83.3%)
8 (3.9%)
Collatz Conjecture Collatz Conjecture
185
526 (avg. 2.8)
149 (80.5%)
5 (2.7%)
Scrabble Score Scrabble Score
144
279 (avg. 1.9)
114 (79.2%)
3 (2.1%)
Grains Grains
169
757 (avg. 4.5)
132 (78.1%)
5 (3.0%)
Atbash Cipher Atbash Cipher
150
586 (avg. 3.9)
113 (75.3%)
3 (2.0%)
All Your Base All Your Base
119
498 (avg. 4.2)
87 (73.1%)
5 (4.2%)
Binary Search Binary Search
76
389 (avg. 5.1)
59 (77.6%)
5 (6.6%)
Clock Clock
119
396 (avg. 3.3)
78 (65.5%)
1 (0.8%)
Crypto Square Crypto Square
102
371 (avg. 3.6)
60 (58.8%)
1 (1.0%)
Darts Darts
119
246 (avg. 2.1)
88 (73.9%)
5 (4.2%)
Diamond Diamond
87
261 (avg. 3.0)
56 (64.4%)
3 (3.4%)
Diffie-Hellman Diffie-Hellman
108
176 (avg. 1.6)
70 (64.8%)
3 (2.8%)
D&D Character D&D Character
108
681 (avg. 6.3)
85 (78.7%)
3 (2.8%)
ETL ETL
97
162 (avg. 1.7)
72 (74.2%)
1 (1.0%)
Gigasecond Gigasecond
204
244 (avg. 1.2)
160 (78.4%)
2 (1.0%)
High Scores High Scores
99
202 (avg. 2.0)
70 (70.7%)
3 (3.0%)
ISBN Verifier ISBN Verifier
96
354 (avg. 3.7)
66 (68.8%)
3 (3.1%)
Kindergarten Garden Kindergarten Garden
87
217 (avg. 2.5)
58 (66.7%)
0 (0.0%)
Largest Series Product Largest Series Product
89
296 (avg. 3.3)
59 (66.3%)
2 (2.2%)
Luhn Luhn
101
260 (avg. 2.6)
71 (70.3%)
1 (1.0%)
Matrix Matrix
82
173 (avg. 2.1)
56 (68.3%)
0 (0.0%)
Meetup Meetup
69
210 (avg. 3.0)
44 (63.8%)
2 (2.9%)
Nth Prime Nth Prime
123
254 (avg. 2.1)
83 (67.5%)
2 (1.6%)
Nucleotide Count Nucleotide Count
121
172 (avg. 1.4)
89 (73.6%)
0 (0.0%)
Pascal's Triangle Pascal's Triangle
79
250 (avg. 3.2)
57 (72.2%)
1 (1.3%)
Perfect Numbers Perfect Numbers
79
177 (avg. 2.2)
52 (65.8%)
1 (1.3%)
Phone Number Phone Number
73
175 (avg. 2.4)
46 (63.0%)
0 (0.0%)
Prime Factors Prime Factors
80
183 (avg. 2.3)
55 (68.8%)
1 (1.3%)
Protein Translation Protein Translation
78
164 (avg. 2.1)
53 (67.9%)
1 (1.3%)
Proverb Proverb
69
126 (avg. 1.8)
48 (69.6%)
0 (0.0%)
Queen Attack Queen Attack
108
316 (avg. 2.9)
80 (74.1%)
3 (2.8%)
Raindrops Raindrops
130
189 (avg. 1.5)
95 (73.1%)
1 (0.8%)
Resistor Color Resistor Color
81
153 (avg. 1.9)
55 (67.9%)
0 (0.0%)
Resistor Color Duo Resistor Color Duo
78
97 (avg. 1.2)
52 (66.7%)
0 (0.0%)
Resistor Color Trio Resistor Color Trio
68
158 (avg. 2.3)
46 (67.6%)
0 (0.0%)
Reverse String Reverse String
994
4,669 (avg. 4.7)
874 (87.9%)
18 (1.8%)
RNA Transcription RNA Transcription
263
392 (avg. 1.5)
220 (83.7%)
1 (0.4%)
Robot Name Robot Name
72
132 (avg. 1.8)
41 (56.9%)
0 (0.0%)
Roman Numerals Roman Numerals
120
234 (avg. 2.0)
89 (74.2%)
0 (0.0%)
Rotational Cipher Rotational Cipher
67
132 (avg. 2.0)
45 (67.2%)
0 (0.0%)
Run-Length Encoding Run-Length Encoding
159
283 (avg. 1.8)
113 (71.1%)
4 (2.5%)
Saddle Points Saddle Points
66
143 (avg. 2.2)
41 (62.1%)
1 (1.5%)
Say Say
64
159 (avg. 2.5)
41 (64.1%)
1 (1.6%)
Scale Generator Scale Generator
60
110 (avg. 1.8)
33 (55.0%)
0 (0.0%)
Secret Handshake Secret Handshake
88
311 (avg. 3.5)
64 (72.7%)
2 (2.3%)
Series Series
72
136 (avg. 1.9)
45 (62.5%)
0 (0.0%)
Sieve Sieve
98
378 (avg. 3.9)
66 (67.3%)
1 (1.0%)
Space Age Space Age
118
190 (avg. 1.6)
86 (72.9%)
1 (0.8%)
Spiral Matrix Spiral Matrix
65
120 (avg. 1.8)
37 (56.9%)
1 (1.5%)
Sublist Sublist
78
319 (avg. 4.1)
47 (60.3%)
0 (0.0%)
Twelve Days Twelve Days
68
270 (avg. 4.0)
39 (57.4%)
0 (0.0%)
Yacht Yacht
73
509 (avg. 7.0)
48 (65.8%)
2 (2.7%)
Linked List Linked List
87
1,052 (avg. 12.1)
43 (49.4%)
6 (6.9%)
Zebra Puzzle Zebra Puzzle
17
72 (avg. 4.2)
4 (23.5%)
0 (0.0%)
React React
156
502 (avg. 3.2)
45 (28.8%)
3 (1.9%)
1 deprecated practice exercises
Started
Attempts
Completions
Mentoring requests
Binary Binary
18
25 (avg. 1.4)
16 (88.9%)
0 (0.0%)
60 unimplemented practice exercises
Affine Cipher Affine Cipher
Alphametics Alphametics
Bank Account Bank Account
Binary Search Tree Binary Search Tree
Book Store Book Store
Bottle Song Bottle Song
Bowling Bowling
Change Change
Circular Buffer Circular Buffer
Complex Numbers Complex Numbers
Connect Connect
Conway's Game of Life Conway's Game of Life
Custom Set Custom Set
Dominoes Dominoes
DOT DSL DOT DSL
Eliud's Eggs Eliud's Eggs
Error Handling Error Handling
Flatten Array Flatten Array
Food Chain Food Chain
Forth Forth
Go Counting Go Counting
Grep Grep
Hangman Hangman
House House
Killer Sudoku Helper Killer Sudoku Helper
Knapsack Knapsack
Ledger Ledger
Lens Person Lens Person
List Ops List Ops
Markdown Markdown
Micro Blog Micro Blog
Minesweeper Minesweeper
OCR Numbers OCR Numbers
PaaS I/O PaaS I/O
Palindrome Products Palindrome Products
Parallel Letter Frequency Parallel Letter Frequency
Pig Latin Pig Latin
Poker Poker
POV POV
Pythagorean Triplet Pythagorean Triplet
Rail Fence Cipher Rail Fence Cipher
Rational Numbers Rational Numbers
Rectangles Rectangles
REST API REST API
Robot Simulator Robot Simulator
Satellite Satellite
SGF Parsing SGF Parsing
Simple Cipher Simple Cipher
Simple Linked List Simple Linked List
Square Root Square Root
State of Tic-Tac-Toe State of Tic-Tac-Toe
Strain Strain
Tournament Tournament
Transpose Transpose
Tree Building Tree Building
Two Bucket Two Bucket
Variable Length Quantity Variable Length Quantity
Word Search Word Search
Wordy Wordy
Zipper Zipper

Programming Tags

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

0 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: cec2b1aec2b8a6b426069a0a9ac2051fa7df038b (Takes up to 10 mins to deploy)

Total Test Runner Runs
53,740
Test Run Pass Rate
31.3% (16829)
Test Run Fail Rate
23.0% (12378)
Test Run Error Rate
45.7% (24533)

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.

Next goal: Build a Representer. Find out more.

Analyzer

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

Next goal: Build an Analyzer. Find out more.