Rust Track Management

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

Students
99,142
Submissions
2,328,412
Mentoring Discussions
26,626

The Rust 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: d5121fbfeab17bcec51c3c4c6f9431904b49ab15 (Updates should be instant)

Next goal: Implement 138 practice exercises. Find out more.
98 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
81,323
142,151 (avg. 1.7)
71,491 (87.9%)
28 (0.0%)
Reverse String Reverse String
36,385
117,266 (avg. 3.2)
24,915 (68.5%)
4,506 (12.4%)
Gigasecond Gigasecond
26,168
71,667 (avg. 2.7)
20,675 (79.0%)
4,002 (15.3%)
Clock Clock
16,480
134,658 (avg. 8.2)
11,581 (70.3%)
2,885 (17.5%)
Anagram Anagram
10,158
66,828 (avg. 6.6)
7,487 (73.7%)
1,936 (19.1%)
Space Age Space Age
7,155
26,560 (avg. 3.7)
5,747 (80.3%)
1,170 (16.4%)
Sublist Sublist
13,453
77,701 (avg. 5.8)
8,417 (62.6%)
1,246 (9.3%)
Minesweeper Minesweeper
5,812
37,811 (avg. 6.5)
3,865 (66.5%)
728 (12.5%)
Luhn Luhn
5,523
33,501 (avg. 6.1)
4,552 (82.4%)
620 (11.2%)
Parallel Letter Frequency Parallel Letter Frequency
4,028
22,630 (avg. 5.6)
2,473 (61.4%)
522 (13.0%)
Macros Macros
3,024
15,430 (avg. 5.1)
2,260 (74.7%)
318 (10.5%)
Poker Poker
4,179
25,480 (avg. 6.1)
1,343 (32.1%)
270 (6.5%)
Forth Forth
1,984
15,734 (avg. 7.9)
943 (47.5%)
175 (8.8%)
Armstrong Numbers Armstrong Numbers
10,078
46,923 (avg. 4.7)
8,298 (82.3%)
262 (2.6%)
Beer Song Beer Song
12,335
60,296 (avg. 4.9)
9,674 (78.4%)
222 (1.8%)
Difference of Squares Difference of Squares
10,615
21,608 (avg. 2.0)
9,605 (90.5%)
225 (2.1%)
Grains Grains
9,215
28,388 (avg. 3.1)
8,127 (88.2%)
137 (1.5%)
Leap Leap
19,208
27,705 (avg. 1.4)
16,616 (86.5%)
475 (2.5%)
Nth Prime Nth Prime
12,699
32,274 (avg. 2.5)
9,238 (72.7%)
361 (2.8%)
Prime Factors Prime Factors
7,014
17,667 (avg. 2.5)
5,759 (82.1%)
82 (1.2%)
Proverb Proverb
8,348
19,740 (avg. 2.4)
7,052 (84.5%)
129 (1.5%)
Raindrops Raindrops
15,493
25,599 (avg. 1.7)
13,384 (86.4%)
406 (2.6%)
Sum of Multiples Sum of Multiples
8,480
23,373 (avg. 2.8)
7,121 (84.0%)
140 (1.7%)
Bob Bob
8,952
32,234 (avg. 3.6)
7,239 (80.9%)
852 (9.5%)
High Scores High Scores
5,824
31,083 (avg. 5.3)
4,549 (78.1%)
110 (1.9%)
Matching Brackets Matching Brackets
6,471
21,758 (avg. 3.4)
5,214 (80.6%)
263 (4.1%)
Acronym Acronym
3,963
18,924 (avg. 4.8)
2,989 (75.4%)
51 (1.3%)
All Your Base All Your Base
2,549
9,797 (avg. 3.8)
1,951 (76.5%)
41 (1.6%)
Allergies Allergies
4,514
25,312 (avg. 5.6)
3,411 (75.6%)
118 (2.6%)
Alphametics Alphametics
2,182
8,800 (avg. 4.0)
889 (40.7%)
46 (2.1%)
Binary Search Binary Search
3,235
11,464 (avg. 3.5)
2,515 (77.7%)
41 (1.3%)
Bowling Bowling
2,594
13,806 (avg. 5.3)
1,435 (55.3%)
33 (1.3%)
DOT DSL DOT DSL
3,467
11,622 (avg. 3.4)
2,053 (59.2%)
52 (1.5%)
ETL ETL
3,074
5,898 (avg. 1.9)
2,551 (83.0%)
31 (1.0%)
Grade School Grade School
2,744
9,249 (avg. 3.4)
2,266 (82.6%)
33 (1.2%)
Hamming Hamming
3,175
5,523 (avg. 1.7)
2,796 (88.1%)
56 (1.8%)
ISBN Verifier ISBN Verifier
2,398
8,674 (avg. 3.6)
1,901 (79.3%)
26 (1.1%)
Isogram Isogram
2,814
6,585 (avg. 2.3)
2,351 (83.5%)
25 (0.9%)
Nucleotide Count Nucleotide Count
3,458
9,426 (avg. 2.7)
2,937 (84.9%)
44 (1.3%)
PaaS I/O PaaS I/O
2,725
3,863 (avg. 1.4)
1,645 (60.4%)
16 (0.6%)
Palindrome Products Palindrome Products
1,513
6,456 (avg. 4.3)
1,002 (66.2%)
21 (1.4%)
Pangram Pangram
2,580
5,628 (avg. 2.2)
2,247 (87.1%)
44 (1.7%)
Pascal's Triangle Pascal's Triangle
3,149
6,726 (avg. 2.1)
2,579 (81.9%)
31 (1.0%)
Perfect Numbers Perfect Numbers
1,854
4,192 (avg. 2.3)
1,538 (83.0%)
37 (2.0%)
Pig Latin Pig Latin
1,129
3,067 (avg. 2.7)
698 (61.8%)
8 (0.7%)
Queen Attack Queen Attack
2,356
4,966 (avg. 2.1)
1,970 (83.6%)
15 (0.6%)
RNA Transcription RNA Transcription
2,993
7,715 (avg. 2.6)
2,480 (82.9%)
39 (1.3%)
Run-Length Encoding Run-Length Encoding
2,339
6,781 (avg. 2.9)
1,808 (77.3%)
32 (1.4%)
Saddle Points Saddle Points
2,952
5,189 (avg. 1.8)
2,006 (68.0%)
309 (10.5%)
Say Say
1,846
4,489 (avg. 2.4)
1,214 (65.8%)
13 (0.7%)
Scrabble Score Scrabble Score
2,306
4,391 (avg. 1.9)
1,960 (85.0%)
26 (1.1%)
Sieve Sieve
2,488
5,645 (avg. 2.3)
2,054 (82.6%)
29 (1.2%)
Simple Linked List Simple Linked List
3,903
21,688 (avg. 5.6)
2,518 (64.5%)
122 (3.1%)
Spiral Matrix Spiral Matrix
1,253
3,236 (avg. 2.6)
836 (66.7%)
9 (0.7%)
Tournament Tournament
2,585
17,161 (avg. 6.6)
1,865 (72.1%)
65 (2.5%)
Triangle Triangle
2,282
5,473 (avg. 2.4)
1,880 (82.4%)
26 (1.1%)
Two Bucket Two Bucket
1,173
2,200 (avg. 1.9)
607 (51.7%)
13 (1.1%)
Variable Length Quantity Variable Length Quantity
1,167
2,962 (avg. 2.5)
749 (64.2%)
6 (0.5%)
Robot Simulator Robot Simulator
3,000
12,079 (avg. 4.0)
2,469 (82.3%)
44 (1.5%)
Robot Name Robot Name
1,428
5,902 (avg. 4.1)
974 (68.2%)
35 (2.5%)
Protein Translation Protein Translation
1,404
5,499 (avg. 3.9)
961 (68.4%)
15 (1.1%)
OCR Numbers OCR Numbers
1,051
3,306 (avg. 3.1)
612 (58.2%)
13 (1.2%)
React React
1,574
5,658 (avg. 3.6)
526 (33.4%)
26 (1.7%)
Wordy Wordy
1,010
3,051 (avg. 3.0)
681 (67.4%)
7 (0.7%)
Custom Set Custom Set
1,283
4,692 (avg. 3.7)
848 (66.1%)
15 (1.2%)
Circular Buffer Circular Buffer
1,599
5,902 (avg. 3.7)
984 (61.5%)
41 (2.6%)
Rectangles Rectangles
1,115
4,332 (avg. 3.9)
579 (51.9%)
13 (1.2%)
Collatz Conjecture Collatz Conjecture
3,355
12,838 (avg. 3.8)
2,763 (82.4%)
58 (1.7%)
Diffie-Hellman Diffie-Hellman
3,007
11,441 (avg. 3.8)
2,030 (67.5%)
46 (1.5%)
Series Series
3,173
10,461 (avg. 3.3)
2,605 (82.1%)
50 (1.6%)
Accumulate Accumulate
1,253
4,229 (avg. 3.4)
932 (74.4%)
30 (2.4%)
Affine Cipher Affine Cipher
782
3,423 (avg. 4.4)
503 (64.3%)
6 (0.8%)
Atbash Cipher Atbash Cipher
2,169
5,976 (avg. 2.8)
1,652 (76.2%)
799 (36.8%)
Crypto Square Crypto Square
1,025
2,594 (avg. 2.5)
674 (65.8%)
5 (0.5%)
Diamond Diamond
845
2,410 (avg. 2.9)
566 (67.0%)
1 (0.1%)
Largest Series Product Largest Series Product
1,271
3,427 (avg. 2.7)
992 (78.0%)
18 (1.4%)
Luhn From Luhn From
1,217
2,646 (avg. 2.2)
884 (72.6%)
9 (0.7%)
Luhn Trait Luhn Trait
1,048
1,418 (avg. 1.4)
770 (73.5%)
4 (0.4%)
Phone Number Phone Number
1,128
3,222 (avg. 2.9)
843 (74.7%)
20 (1.8%)
Rail Fence Cipher Rail Fence Cipher
778
2,515 (avg. 3.2)
469 (60.3%)
4 (0.5%)
Roman Numerals Roman Numerals
1,359
3,518 (avg. 2.6)
1,017 (74.8%)
9 (0.7%)
Rotational Cipher Rotational Cipher
1,124
2,278 (avg. 2.0)
857 (76.2%)
13 (1.2%)
Simple Cipher Simple Cipher
917
3,212 (avg. 3.5)
576 (62.8%)
5 (0.5%)
Word Count Word Count
1,903
6,202 (avg. 3.3)
1,537 (80.8%)
44 (2.3%)
Fizzy Fizzy
1,032
5,456 (avg. 5.3)
516 (50.0%)
11 (1.1%)
Pythagorean Triplet Pythagorean Triplet
3,871
6,925 (avg. 1.8)
2,089 (54.0%)
1,316 (34.0%)
Xorcism Xorcism
875
4,474 (avg. 5.1)
319 (36.5%)
26 (3.0%)
Book Store Book Store
706
1,815 (avg. 2.6)
318 (45.0%)
6 (0.8%)
Decimal Decimal
869
3,810 (avg. 4.4)
369 (42.5%)
6 (0.7%)
Grep Grep
859
3,705 (avg. 4.3)
422 (49.1%)
8 (0.9%)
Dominoes Dominoes
837
2,701 (avg. 3.2)
410 (49.0%)
16 (1.9%)
Doubly Linked List Doubly Linked List
889
2,904 (avg. 3.3)
254 (28.6%)
20 (2.2%)
Secret Handshake Secret Handshake
507
1,669 (avg. 3.3)
394 (77.7%)
13 (2.6%)
Knapsack Knapsack
338
1,656 (avg. 4.9)
206 (60.9%)
4 (1.2%)
Kindergarten Garden Kindergarten Garden
1,056
6,209 (avg. 5.9)
731 (69.2%)
24 (2.3%)
Yacht Yacht
398
3,309 (avg. 8.3)
274 (68.8%)
6 (1.5%)
Matrix Matrix
61
295 (avg. 4.8)
42 (68.9%)
0 (0.0%)
Eliuds Eggs Eliuds Eggs
153
355 (avg. 2.3)
115 (75.2%)
1 (0.7%)
4 deprecated practice exercises
Started
Attempts
Completions
Mentoring requests
Hexadecimal Hexadecimal
120
184 (avg. 1.5)
114 (95.0%)
10 (8.3%)
Nucleotide Codons Nucleotide Codons
133
157 (avg. 1.2)
129 (97.0%)
1 (0.8%)
Scale Generator Scale Generator
1,132
4,433 (avg. 3.9)
498 (44.0%)
8 (0.7%)
Two Fer Two Fer
23
28 (avg. 1.2)
4 (17.4%)
1 (4.3%)
40 unimplemented practice exercises
Bank Account Bank Account
Binary Search Tree Binary Search Tree
Bottle Song Bottle Song
Change Change
Complex Numbers Complex Numbers
Connect Connect
Conway's Game of Life Conway's Game of Life
D&D Character D&D Character
Darts Darts
Error Handling Error Handling
Flatten Array Flatten Array
Food Chain Food Chain
Go Counting Go Counting
Hangman Hangman
House House
Killer Sudoku Helper Killer Sudoku Helper
Ledger Ledger
Lens Person Lens Person
Linked List Linked List
List Ops List Ops
Markdown Markdown
Meetup Meetup
Micro Blog Micro Blog
POV POV
Rational Numbers Rational Numbers
Resistor Color Resistor Color
Resistor Color Duo Resistor Color Duo
Resistor Color Trio Resistor Color Trio
REST API REST API
Satellite Satellite
SGF Parsing SGF Parsing
Square Root Square Root
State of Tic-Tac-Toe State of Tic-Tac-Toe
Strain Strain
Transpose Transpose
Tree Building Tree Building
Twelve Days Twelve Days
Word Search Word Search
Zebra Puzzle Zebra Puzzle
Zipper Zipper
3 foregone practice exercises
Binary Binary
Octal Octal
Trinary Trinary

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: f9f87cb9f032f85f557cc6bb2348a18c8a4ecc0b (Takes up to 10 mins to deploy)

Total Test Runner Runs
2,200,518
Test Run Pass Rate
24.8% (546591)
Test Run Fail Rate
22.5% (495894)
Test Run Error Rate
52.6% (1158033)

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: d84e9b9df59b65a6c1c38554499b2f24a305b2e2 (Takes up to 10 mins to deploy)

Total Representer Runs
841,620
Total Representation Comments Made
0
Feedback Given Frequency
0.0%

Analyzer

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

Current version: f88f84fed88281e86d70f7281acc956d53e16eeb (Takes up to 10 mins to deploy)

Total Analyzer Runs
553,598
Total Analysis Comments Made
114,495
Feedback Given Frequency
2.3%