Rust impact and status on Exercism

Rust

118,839 students

About Rust

Practice

302 contributors

1220 mentors

Rust Track Management

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

Students

118,842

Submissions

2,849,252

Mentoring Discussions

27,987

The Rust track is healthy ✅

Building

Practice Exercises

Learn More

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: 5deb659b82533b975c361b4045b5540d01ae9952 (Updates should be instant)

Next goal: Implement 141 practice exercises. Find out more.

98 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

101,242

180,501 (avg. 1.8)

86,457 (85.4%)

28 (0.0%)

Reverse String

49,238

171,932 (avg. 3.5)

32,525 (66.1%)

4,821 (9.8%)

Gigasecond

33,665

98,722 (avg. 2.9)

25,959 (77.1%)

4,107 (12.2%)

Clock

20,895

185,163 (avg. 8.9)

14,488 (69.3%)

3,018 (14.4%)

Anagram

13,311

92,743 (avg. 7.0)

9,758 (73.3%)

2,075 (15.6%)

Space Age

9,380

36,452 (avg. 3.9)

7,554 (80.5%)

1,233 (13.1%)

Sublist

15,375

89,139 (avg. 5.8)

10,017 (65.2%)

1,294 (8.4%)

Minesweeper

7,572

54,169 (avg. 7.2)

5,090 (67.2%)

798 (10.5%)

Luhn

7,090

47,727 (avg. 6.7)

5,876 (82.9%)

653 (9.2%)

Armstrong Numbers

12,989

65,123 (avg. 5.0)

10,720 (82.5%)

350 (2.7%)

Bottle Song

685

5,107 (avg. 7.5)

469 (68.5%)

9 (1.3%)

Difference of Squares

12,671

28,214 (avg. 2.2)

11,457 (90.4%)

250 (2.0%)

Grains

11,140

38,667 (avg. 3.5)

9,845 (88.4%)

147 (1.3%)

Leap

21,049

32,996 (avg. 1.6)

18,300 (86.9%)

485 (2.3%)

Nth Prime

14,351

42,482 (avg. 3.0)

10,561 (73.6%)

390 (2.7%)

Prime Factors

8,390

25,005 (avg. 3.0)

6,919 (82.5%)

97 (1.2%)

Proverb

9,586

25,580 (avg. 2.7)

8,164 (85.2%)

147 (1.5%)

Raindrops

16,967

30,332 (avg. 1.8)

14,741 (86.9%)

424 (2.5%)

Sum of Multiples

9,762

30,396 (avg. 3.1)

8,210 (84.1%)

158 (1.6%)

Bob

10,215

41,264 (avg. 4.0)

8,306 (81.3%)

867 (8.5%)

High Scores

7,195

41,574 (avg. 5.8)

5,654 (78.6%)

137 (1.9%)

Matching Brackets

7,706

28,727 (avg. 3.7)

6,273 (81.4%)

276 (3.6%)

Collatz Conjecture

4,648

17,096 (avg. 3.7)

3,931 (84.6%)

71 (1.5%)

Series

4,294

14,734 (avg. 3.4)

3,574 (83.2%)

53 (1.2%)

Kindergarten Garden

2,131

12,583 (avg. 5.9)

1,589 (74.6%)

43 (2.0%)

Eliud's Eggs

1,372

3,633 (avg. 2.6)

1,198 (87.3%)

11 (0.8%)

Acronym

5,009

26,840 (avg. 5.4)

3,799 (75.8%)

62 (1.2%)

All Your Base

3,382

14,443 (avg. 4.3)

2,605 (77.0%)

46 (1.4%)

Allergies

5,316

30,106 (avg. 5.7)

4,085 (76.8%)

124 (2.3%)

Alphametics

2,831

14,713 (avg. 5.2)

1,172 (41.4%)

58 (2.0%)

Binary Search

4,052

15,881 (avg. 3.9)

3,182 (78.5%)

46 (1.1%)

Bowling

3,151

20,115 (avg. 6.4)

1,733 (55.0%)

45 (1.4%)

DOT DSL

3,953

15,330 (avg. 3.9)

2,352 (59.5%)

64 (1.6%)

ETL

3,592

7,162 (avg. 2.0)

2,976 (82.9%)

31 (0.9%)

Grade School

3,206

11,661 (avg. 3.6)

2,640 (82.3%)

34 (1.1%)

Hamming

3,721

6,748 (avg. 1.8)

3,260 (87.6%)

60 (1.6%)

ISBN Verifier

2,895

11,404 (avg. 3.9)

2,309 (79.8%)

29 (1.0%)

Isogram

3,359

8,501 (avg. 2.5)

2,824 (84.1%)

31 (0.9%)

Nucleotide Count

3,939

11,316 (avg. 2.9)

3,328 (84.5%)

46 (1.2%)

PaaS I/O

3,245

5,173 (avg. 1.6)

1,959 (60.4%)

18 (0.6%)

Palindrome Products

1,881

8,284 (avg. 4.4)

1,261 (67.0%)

24 (1.3%)

Pangram

3,052

7,072 (avg. 2.3)

2,633 (86.3%)

44 (1.4%)

Pascal's Triangle

3,538

8,358 (avg. 2.4)

2,891 (81.7%)

35 (1.0%)

Perfect Numbers

2,208

5,344 (avg. 2.4)

1,831 (82.9%)

38 (1.7%)

Pig Latin

1,478

4,879 (avg. 3.3)

937 (63.4%)

14 (0.9%)

Queen Attack

2,720

6,083 (avg. 2.2)

2,269 (83.4%)

16 (0.6%)

RNA Transcription

3,411

8,926 (avg. 2.6)

2,820 (82.7%)

39 (1.1%)

Run-Length Encoding

2,745

9,334 (avg. 3.4)

2,123 (77.3%)

34 (1.2%)

Saddle Points

3,262

6,769 (avg. 2.1)

2,240 (68.7%)

309 (9.5%)

Say

2,145

6,080 (avg. 2.8)

1,415 (66.0%)

15 (0.7%)

Scrabble Score

2,676

5,377 (avg. 2.0)

2,263 (84.6%)

27 (1.0%)

Sieve

2,823

6,777 (avg. 2.4)

2,324 (82.3%)

32 (1.1%)

Simple Linked List

4,495

27,152 (avg. 6.0)

2,839 (63.2%)

129 (2.9%)

Spiral Matrix

1,536

4,365 (avg. 2.8)

1,034 (67.3%)

12 (0.8%)

Tournament

2,878

18,866 (avg. 6.6)

2,067 (71.8%)

66 (2.3%)

Triangle

2,617

6,534 (avg. 2.5)

2,143 (81.9%)

28 (1.1%)

Two Bucket

1,419

2,847 (avg. 2.0)

744 (52.4%)

14 (1.0%)

Variable Length Quantity

1,407

4,421 (avg. 3.1)

906 (64.4%)

6 (0.4%)

Robot Simulator

3,343

13,370 (avg. 4.0)

2,715 (81.2%)

47 (1.4%)

Robot Name

1,728

7,581 (avg. 4.4)

1,169 (67.7%)

40 (2.3%)

Protein Translation

1,703

7,081 (avg. 4.2)

1,190 (69.9%)

18 (1.1%)

Wordy

1,246

4,219 (avg. 3.4)

834 (66.9%)

8 (0.6%)

Custom Set

1,562

6,003 (avg. 3.8)

1,028 (65.8%)

16 (1.0%)

Accumulate

1,555

5,465 (avg. 3.5)

1,154 (74.2%)

33 (2.1%)

Affine Cipher

1,009

4,674 (avg. 4.6)

655 (64.9%)

6 (0.6%)

Atbash Cipher

2,415

6,645 (avg. 2.8)

1,830 (75.8%)

801 (33.2%)

Crypto Square

1,245

3,550 (avg. 2.9)

820 (65.9%)

6 (0.5%)

Diamond

1,072

3,198 (avg. 3.0)

728 (67.9%)

1 (0.1%)

Largest Series Product

1,511

4,170 (avg. 2.8)

1,169 (77.4%)

19 (1.3%)

Luhn From

1,494

3,288 (avg. 2.2)

1,076 (72.0%)

10 (0.7%)

Luhn Trait

1,314

1,801 (avg. 1.4)

956 (72.8%)

5 (0.4%)

List Ops

119

628 (avg. 5.3)

80 (67.2%)

2 (1.7%)

Phone Number

1,374

4,209 (avg. 3.1)

1,020 (74.2%)

20 (1.5%)

Rail Fence Cipher

996

3,293 (avg. 3.3)

597 (59.9%)

5 (0.5%)

Roman Numerals

1,616

4,440 (avg. 2.7)

1,181 (73.1%)

13 (0.8%)

Rotational Cipher

1,354

2,759 (avg. 2.0)

1,024 (75.6%)

14 (1.0%)

Simple Cipher

1,127

3,926 (avg. 3.5)

708 (62.8%)

8 (0.7%)

Word Count

2,181

7,512 (avg. 3.4)

1,729 (79.3%)

46 (2.1%)

Secret Handshake

743

2,182 (avg. 2.9)

561 (75.5%)

15 (2.0%)

Knapsack

579

2,441 (avg. 4.2)

363 (62.7%)

4 (0.7%)

Yacht

702

5,462 (avg. 7.8)

501 (71.4%)

10 (1.4%)

Matrix

343

1,183 (avg. 3.4)

246 (71.7%)

1 (0.3%)

Fizzy

1,345

7,928 (avg. 5.9)

677 (50.3%)

18 (1.3%)

Pythagorean Triplet

4,094

7,633 (avg. 1.9)

2,244 (54.8%)

1,319 (32.2%)

Parallel Letter Frequency

4,361

24,104 (avg. 5.5)

2,705 (62.0%)

541 (12.4%)

Macros

3,278

16,684 (avg. 5.1)

2,432 (74.2%)

323 (9.9%)

Poker

4,395

27,659 (avg. 6.3)

1,452 (33.0%)

273 (6.2%)

Forth

2,199

16,574 (avg. 7.5)

1,060 (48.2%)

180 (8.2%)

OCR Numbers

1,231

4,045 (avg. 3.3)

720 (58.5%)

14 (1.1%)

React

1,868

6,652 (avg. 3.6)

638 (34.2%)

31 (1.7%)

Circular Buffer

1,913

7,704 (avg. 4.0)

1,193 (62.4%)

50 (2.6%)

Rectangles

1,279

4,852 (avg. 3.8)

663 (51.8%)

15 (1.2%)

Xorcism

1,112

5,517 (avg. 5.0)

434 (39.0%)

29 (2.6%)

Book Store

897

2,423 (avg. 2.7)

402 (44.8%)

7 (0.8%)

Decimal

1,085

4,833 (avg. 4.5)

449 (41.4%)

7 (0.6%)

Grep

1,079

4,467 (avg. 4.1)

526 (48.7%)

9 (0.8%)

Dominoes

1,045

3,786 (avg. 3.6)

511 (48.9%)

20 (1.9%)

Doubly Linked List

1,195

4,573 (avg. 3.8)

348 (29.1%)

25 (2.1%)

6 deprecated practice exercises

Started

Attempts

Completions

Mentoring requests

Beer Song

14,211

78,978 (avg. 5.6)

11,150 (78.5%)

255 (1.8%)

Diffie-Hellman

4,014

16,875 (avg. 4.2)

2,766 (68.9%)

57 (1.4%)

Hexadecimal

120

184 (avg. 1.5)

114 (95.0%)

10 (8.3%)

Nucleotide Codons

133

157 (avg. 1.2)

129 (97.0%)

1 (0.8%)

Scale Generator

1,132

4,444 (avg. 3.9)

499 (44.1%)

9 (0.8%)

Two Fer

28 (avg. 1.2)

4 (17.4%)

1 (4.3%)

43 unimplemented practice exercises

Baffling Birthdays

Bank Account

Binary Search Tree

Change

Complex Numbers

Connect

Conway's Game of Life

D&D Character

Darts

Error Handling

Flatten Array

Food Chain

Go Counting

Hangman

House

Intergalactic Transmission

Killer Sudoku Helper

Ledger

Lens Person

Linked List

Markdown

Meetup

Micro Blog

POV

Rational Numbers

Relative Distance

Resistor Color

Resistor Color Duo

Resistor Color Trio

REST API

Satellite

SGF Parsing

Split-Second Stopwatch

Square Root

State of Tic-Tac-Toe

Strain

Swift Scheduling

Transpose

Tree Building

Twelve Days

Word Search

Zebra Puzzle

Zipper

3 foregone practice exercises

Binary

View data

Octal

View data

Trinary

View data

Programming Tags

Learn More

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

0 tags

Test Runner

Learn More

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

Current version: 816935839944013cc47b0b42e54ae5d09968b219 (Takes up to 10 mins to deploy)

Total Test Runner Runs

2,720,069

Test Run Pass Rate

24.9% (676336)

Test Run Fail Rate

22.8% (618917)

Test Run Error Rate

52.4% (1424816)

Representer

Learn More

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: 82ccdeb7eb379e9f5794dd42a85fb32551d8ce95 (Takes up to 10 mins to deploy)

Total Representer Runs

962,296

Total Representation Comments Made

63,253

Feedback Given Frequency

6.6%

Analyzer

Learn More

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

Current version: be623c1493fa08f6f980e93bd33a98ee9cad778f (Takes up to 10 mins to deploy)

Total Analyzer Runs

673,575

Total Analysis Comments Made

173,161

Feedback Given Frequency

2.9%

Volunteers

1019

bobahop

34.6k

lewisclement

7,033

LudwigStecher

6,590

+ 1,003 more

We 💙 our volunteers

Exercism relies on open-source volunteers to build our language tracks and mentor students.

Become an Exercism Volunteer

Language Tracks

Coding Fundamentals

Front-end Fundamentals

Your Journey

Exercism Perks

Community Videos

Brief Introduction Series

Interviews & Stories

Discord

Forum

Getting started

Mentoring

Docs

Contributors

Donate

About Exercism

Our Impact

Insiders

Rust Track Management

The Rust track is healthy ✅

Practice Exercises

Programming Tags

Test Runner

Representer

Analyzer

We 💙 our volunteers