Nim

2,567 students

22 contributors

2,567
students have developed their Nim skills on Exercism.

Students

2,567

Submissions

34,596

Mentoring Discussions

686

The Nim track needs attention ⚠️

Building

Build

Use your knowledge to build the Nim track itself

22 contributors

Build Test Runners

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

30,451

Test Run Pass Rate

35.4% (10779)

Test Run Fail Rate

20.6% (6279)

Test Run Error Rate

44.0% (13393)

Build Analyzers

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.

Build Representers

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.

Create Practice Exercises

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 129 practice exercises. Find out more.

Usage statistics

70 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

1,731

2,311 (avg. 1.3)

1,498 (86.5%)

0 (0.0%)

Two Fer

1,253

4,905 (avg. 3.9)

896 (71.5%)

213 (17.0%)

Leap

883

2,372 (avg. 2.7)

746 (84.5%)

124 (14.0%)

Bob

563

4,065 (avg. 7.2)

388 (68.9%)

87 (15.5%)

Allergies

343

1,907 (avg. 5.6)

236 (68.8%)

52 (15.2%)

Sum of Multiples

288

1,528 (avg. 5.3)

226 (78.5%)

35 (12.2%)

Grade School

199

1,035 (avg. 5.2)

154 (77.4%)

26 (13.1%)

Hamming

395

948 (avg. 2.4)

339 (85.8%)

15 (3.8%)

Pangram

441

934 (avg. 2.1)

362 (82.1%)

14 (3.2%)

Acronym

222

777 (avg. 3.5)

185 (83.3%)

9 (4.1%)

Isogram

377

755 (avg. 2.0)

314 (83.3%)

13 (3.4%)

Difference of Squares

218

499 (avg. 2.3)

180 (82.6%)

7 (3.2%)

Triangle

182

643 (avg. 3.5)

141 (77.5%)

10 (5.5%)

Anagram

171

464 (avg. 2.7)

141 (82.5%)

3 (1.8%)

Matching Brackets

148

583 (avg. 3.9)

112 (75.7%)

5 (3.4%)

Word Count

227

705 (avg. 3.1)

166 (73.1%)

3 (1.3%)

Armstrong Numbers

169

495 (avg. 2.9)

139 (82.2%)

8 (4.7%)

Collatz Conjecture

144

374 (avg. 2.6)

115 (79.9%)

5 (3.5%)

Scrabble Score

111

214 (avg. 1.9)

86 (77.5%)

3 (2.7%)

Grains

134

555 (avg. 4.1)

104 (77.6%)

5 (3.7%)

Atbash Cipher

117

321 (avg. 2.7)

85 (72.6%)

2 (1.7%)

All Your Base

88

301 (avg. 3.4)

61 (69.3%)

2 (2.3%)

Binary Search

37

141 (avg. 3.8)

27 (73.0%)

3 (8.1%)

Clock

87

226 (avg. 2.6)

60 (69.0%)

0 (0.0%)

Crypto Square

76

240 (avg. 3.2)

44 (57.9%)

0 (0.0%)

Darts

90

179 (avg. 2.0)

66 (73.3%)

4 (4.4%)

Diamond

65

96 (avg. 1.5)

41 (63.1%)

1 (1.5%)

Diffie-Hellman

78

81 (avg. 1.0)

49 (62.8%)

2 (2.6%)

D&D Character

22

43 (avg. 2.0)

17 (77.3%)

1 (4.5%)

ETL

74

99 (avg. 1.3)

54 (73.0%)

0 (0.0%)

Gigasecond

180

212 (avg. 1.2)

143 (79.4%)

2 (1.1%)

High Scores

73

126 (avg. 1.7)

52 (71.2%)

2 (2.7%)

ISBN Verifier

71

181 (avg. 2.5)

48 (67.6%)

2 (2.8%)

Kindergarten Garden

63

122 (avg. 1.9)

42 (66.7%)

0 (0.0%)

Largest Series Product

63

140 (avg. 2.2)

40 (63.5%)

1 (1.6%)

Luhn

73

144 (avg. 2.0)

48 (65.8%)

1 (1.4%)

Matrix

59

120 (avg. 2.0)

39 (66.1%)

0 (0.0%)

Meetup

50

89 (avg. 1.8)

30 (60.0%)

2 (4.0%)

Nth Prime

95

176 (avg. 1.9)

64 (67.4%)

1 (1.1%)

Nucleotide Count

95

122 (avg. 1.3)

69 (72.6%)

0 (0.0%)

Pascal's Triangle

54

90 (avg. 1.7)

38 (70.4%)

0 (0.0%)

Perfect Numbers

57

138 (avg. 2.4)

35 (61.4%)

1 (1.8%)

Phone Number

53

67 (avg. 1.3)

31 (58.5%)

0 (0.0%)

Prime Factors

56

147 (avg. 2.6)

37 (66.1%)

1 (1.8%)

Protein Translation

52

89 (avg. 1.7)

35 (67.3%)

1 (1.9%)

Proverb

50

65 (avg. 1.3)

34 (68.0%)

0 (0.0%)

Queen Attack

88

202 (avg. 2.3)

64 (72.7%)

3 (3.4%)

Raindrops

93

103 (avg. 1.1)

67 (72.0%)

1 (1.1%)

Resistor Color

61

100 (avg. 1.6)

39 (63.9%)

0 (0.0%)

Resistor Color Duo

57

67 (avg. 1.2)

36 (63.2%)

0 (0.0%)

Resistor Color Trio

48

81 (avg. 1.7)

32 (66.7%)

0 (0.0%)

Reverse String

354

578 (avg. 1.6)

288 (81.4%)

7 (2.0%)

RNA Transcription

243

346 (avg. 1.4)

205 (84.4%)

1 (0.4%)

Robot Name

54

76 (avg. 1.4)

29 (53.7%)

0 (0.0%)

Roman Numerals

95

164 (avg. 1.7)

71 (74.7%)

0 (0.0%)

Rotational Cipher

49

70 (avg. 1.4)

31 (63.3%)

0 (0.0%)

Run-Length Encoding

138

193 (avg. 1.4)

97 (70.3%)

4 (2.9%)

Saddle Points

48

75 (avg. 1.6)

28 (58.3%)

0 (0.0%)

Say

47

70 (avg. 1.5)

28 (59.6%)

0 (0.0%)

Scale Generator

44

59 (avg. 1.3)

24 (54.5%)

0 (0.0%)

Secret Handshake

67

170 (avg. 2.5)

48 (71.6%)

1 (1.5%)

Series

51

100 (avg. 2.0)

30 (58.8%)

0 (0.0%)

Sieve

71

253 (avg. 3.6)

45 (63.4%)

1 (1.4%)

Space Age

98

162 (avg. 1.7)

74 (75.5%)

1 (1.0%)

Spiral Matrix

49

63 (avg. 1.3)

24 (49.0%)

1 (2.0%)

Sublist

59

189 (avg. 3.2)

35 (59.3%)

0 (0.0%)

Twelve Days

51

215 (avg. 4.2)

28 (54.9%)

0 (0.0%)

Yacht

58

418 (avg. 7.2)

36 (62.1%)

2 (3.4%)

Linked List

39

677 (avg. 17.4)

22 (56.4%)

4 (10.3%)

React

130

315 (avg. 2.4)

36 (27.7%)

3 (2.3%)

1 deprecated practice exercises

Started

Attempts

Completions

Mentoring requests

Binary

18

25 (avg. 1.4)

16 (88.9%)

0 (0.0%)

59 unimplemented practice exercises

Affine Cipher

Alphametics

Bank Account

Binary Search Tree

Book Store

Bottle Song

Bowling

Change

Circular Buffer

Complex Numbers

Connect

Custom Set

DOT DSL

Dominoes

Error Handling

Flatten Array

Food Chain

Forth

Go Counting

Grep

Hangman

House

Killer Sudoku Helper

Knapsack

Ledger

Lens Person

List Ops

Markdown

Micro Blog

Minesweeper

OCR Numbers

POV

PaaS I/O

Palindrome Products

Parallel Letter Frequency

Pig Latin

Poker

Pythagorean Triplet

REST API

Rail Fence Cipher

Rational Numbers

Rectangles

Robot Simulator

SGF Parsing

Satellite

Simple Cipher

Simple Linked List

Square Root

State of Tic-Tac-Toe

Strain

Tournament

Transpose

Tree Building

Two Bucket

Variable Length Quantity

Word Search

Wordy

Zebra Puzzle

Zipper

Volunteers

37

ee7-1282

5,089

ynfle

1,712

ErikSchierboom

1,267

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