Nim

2,421 students

22 contributors

2,419
students have developed their Nim skills on Exercism.

Students

2,419

Submissions

29,642

Mentoring Discussions

663

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

25,506

Test Run Pass Rate

36.2% (9238)

Test Run Fail Rate

19.5% (4980)

Test Run Error Rate

44.3% (11288)

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

1,587

2,081 (avg. 1.3)

1,368 (86.2%)

0 (0.0%)

Two Fer

1,150

4,261 (avg. 3.7)

819 (71.2%)

209 (18.2%)

Leap

804

2,101 (avg. 2.6)

681 (84.7%)

123 (15.3%)

Bob

506

3,499 (avg. 6.9)

351 (69.4%)

81 (16.0%)

Allergies

305

1,788 (avg. 5.9)

211 (69.2%)

51 (16.7%)

Sum of Multiples

256

1,278 (avg. 5.0)

203 (79.3%)

33 (12.9%)

Grade School

176

884 (avg. 5.0)

138 (78.4%)

24 (13.6%)

Hamming

371

867 (avg. 2.3)

320 (86.3%)

15 (4.0%)

Pangram

419

865 (avg. 2.1)

343 (81.9%)

14 (3.3%)

Acronym

198

689 (avg. 3.5)

167 (84.3%)

9 (4.5%)

Isogram

361

704 (avg. 2.0)

300 (83.1%)

13 (3.6%)

Difference of Squares

199

454 (avg. 2.3)

165 (82.9%)

7 (3.5%)

Triangle

165

544 (avg. 3.3)

129 (78.2%)

9 (5.5%)

Anagram

154

406 (avg. 2.6)

128 (83.1%)

3 (1.9%)

Matching Brackets

128

475 (avg. 3.7)

97 (75.8%)

5 (3.9%)

Word Count

212

605 (avg. 2.9)

154 (72.6%)

3 (1.4%)

Armstrong Numbers

151

422 (avg. 2.8)

125 (82.8%)

8 (5.3%)

Collatz Conjecture

129

304 (avg. 2.4)

105 (81.4%)

4 (3.1%)

Scrabble Score

97

171 (avg. 1.8)

74 (76.3%)

3 (3.1%)

Grains

118

458 (avg. 3.9)

95 (80.5%)

4 (3.4%)

Atbash Cipher

105

269 (avg. 2.6)

77 (73.3%)

2 (1.9%)

All Your Base

73

148 (avg. 2.0)

51 (69.9%)

1 (1.4%)

Binary Search

16

83 (avg. 5.2)

12 (75.0%)

2 (12.5%)

Clock

77

160 (avg. 2.1)

52 (67.5%)

0 (0.0%)

Crypto Square

65

198 (avg. 3.0)

36 (55.4%)

0 (0.0%)

Darts

79

141 (avg. 1.8)

57 (72.2%)

4 (5.1%)

Diamond

54

59 (avg. 1.1)

32 (59.3%)

1 (1.9%)

Diffie-Hellman

65

55 (avg. 0.8)

40 (61.5%)

2 (3.1%)

D&D Character

9

10 (avg. 1.1)

7 (77.8%)

1 (11.1%)

ETL

63

85 (avg. 1.3)

45 (71.4%)

0 (0.0%)

Gigasecond

168

188 (avg. 1.1)

133 (79.2%)

2 (1.2%)

High Scores

63

110 (avg. 1.7)

43 (68.3%)

2 (3.2%)

ISBN Verifier

60

103 (avg. 1.7)

38 (63.3%)

1 (1.7%)

Kindergarten Garden

51

78 (avg. 1.5)

32 (62.7%)

0 (0.0%)

Largest Series Product

54

113 (avg. 2.1)

34 (63.0%)

1 (1.9%)

Luhn

62

104 (avg. 1.7)

39 (62.9%)

1 (1.6%)

Matrix

50

104 (avg. 2.1)

32 (64.0%)

0 (0.0%)

Meetup

41

44 (avg. 1.1)

23 (56.1%)

1 (2.4%)

Nth Prime

86

150 (avg. 1.7)

56 (65.1%)

1 (1.2%)

Nucleotide Count

87

112 (avg. 1.3)

63 (72.4%)

0 (0.0%)

Pascal's Triangle

44

50 (avg. 1.1)

30 (68.2%)

0 (0.0%)

Perfect Numbers

46

54 (avg. 1.2)

27 (58.7%)

1 (2.2%)

Phone Number

46

55 (avg. 1.2)

25 (54.3%)

0 (0.0%)

Prime Factors

49

132 (avg. 2.7)

31 (63.3%)

1 (2.0%)

Protein Translation

46

81 (avg. 1.8)

30 (65.2%)

1 (2.2%)

Proverb

42

57 (avg. 1.4)

27 (64.3%)

0 (0.0%)

Queen Attack

80

195 (avg. 2.4)

59 (73.8%)

3 (3.8%)

Raindrops

83

88 (avg. 1.1)

59 (71.1%)

1 (1.2%)

Resistor Color

53

80 (avg. 1.5)

33 (62.3%)

0 (0.0%)

Resistor Color Duo

49

59 (avg. 1.2)

29 (59.2%)

0 (0.0%)

Resistor Color Trio

41

75 (avg. 1.8)

27 (65.9%)

0 (0.0%)

Reverse String

345

533 (avg. 1.5)

280 (81.2%)

7 (2.0%)

RNA Transcription

237

342 (avg. 1.4)

201 (84.8%)

1 (0.4%)

Robot Name

48

56 (avg. 1.2)

24 (50.0%)

0 (0.0%)

Roman Numerals

87

154 (avg. 1.8)

64 (73.6%)

0 (0.0%)

Rotational Cipher

43

58 (avg. 1.3)

26 (60.5%)

0 (0.0%)

Run-Length Encoding

132

172 (avg. 1.3)

91 (68.9%)

4 (3.0%)

Saddle Points

39

42 (avg. 1.1)

23 (59.0%)

0 (0.0%)

Say

41

47 (avg. 1.1)

24 (58.5%)

0 (0.0%)

Scale Generator

37

50 (avg. 1.4)

20 (54.1%)

0 (0.0%)

Secret Handshake

56

121 (avg. 2.2)

39 (69.6%)

1 (1.8%)

Series

44

59 (avg. 1.3)

25 (56.8%)

0 (0.0%)

Sieve

60

218 (avg. 3.6)

36 (60.0%)

1 (1.7%)

Space Age

90

148 (avg. 1.6)

67 (74.4%)

1 (1.1%)

Spiral Matrix

43

55 (avg. 1.3)

20 (46.5%)

1 (2.3%)

Sublist

49

170 (avg. 3.5)

27 (55.1%)

0 (0.0%)

Twelve Days

40

190 (avg. 4.8)

21 (52.5%)

0 (0.0%)

Yacht

50

398 (avg. 8.0)

30 (60.0%)

2 (4.0%)

Linked List

21

410 (avg. 19.5)

14 (66.7%)

2 (9.5%)

React

121

297 (avg. 2.5)

34 (28.1%)

2 (1.7%)

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

36

ee7-1282

5,031

ynfle

1,698

ErikSchierboom

1,257

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