TypeScript impact and status on Exercism

TypeScript

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TypeScript Track Management

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

Students

77,575

Submissions

1,274,278

Mentoring Discussions

9,142

The TypeScript track is healthy ✅

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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: 50e51195c53bbaf305cf5bdc13334c13e392ead7 (Updates should be instant)

Next goal: Implement 134 practice exercises. Find out more.

97 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

55,003

78,999 (avg. 1.4)

44,373 (80.7%)

6 (0.0%)

Two Fer

34,631

119,774 (avg. 3.5)

26,335 (76.0%)

1,892 (5.5%)

Resistor Color

15,067

78,236 (avg. 5.2)

11,132 (73.9%)

484 (3.2%)

Resistor Color Duo

21,103

159,714 (avg. 7.6)

14,237 (67.5%)

1,374 (6.5%)

Resistor Color Trio

11,098

115,760 (avg. 10.4)

7,189 (64.8%)

450 (4.1%)

Leap

13,428

45,075 (avg. 3.4)

11,083 (82.5%)

1,444 (10.8%)

RNA Transcription

9,458

62,384 (avg. 6.6)

7,638 (80.8%)

688 (7.3%)

Space Age

7,717

51,180 (avg. 6.6)

6,062 (78.6%)

380 (4.9%)

D&D Character

5,458

42,473 (avg. 7.8)

3,540 (64.9%)

158 (2.9%)

Darts

2,578

9,278 (avg. 3.6)

1,994 (77.3%)

49 (1.9%)

Pangram

6,031

27,198 (avg. 4.5)

4,848 (80.4%)

278 (4.6%)

Bob

5,559

47,821 (avg. 8.6)

3,837 (69.0%)

272 (4.9%)

Matrix

5,075

35,257 (avg. 6.9)

3,222 (63.5%)

217 (4.3%)

Robot Name

4,556

33,729 (avg. 7.4)

2,547 (55.9%)

196 (4.3%)

Grade School

3,040

35,312 (avg. 11.6)

1,892 (62.2%)

130 (4.3%)

Clock

2,345

20,485 (avg. 8.7)

1,553 (66.2%)

82 (3.5%)

Secret Handshake

1,828

9,065 (avg. 5.0)

1,392 (76.1%)

64 (3.5%)

Binary Search

2,039

11,306 (avg. 5.5)

1,487 (72.9%)

43 (2.1%)

Linked List

1,953

15,770 (avg. 8.1)

1,206 (61.8%)

75 (3.8%)

Rational Numbers

1,024

9,272 (avg. 9.1)

683 (66.7%)

27 (2.6%)

Atbash Cipher

1,102

8,494 (avg. 7.7)

887 (80.5%)

33 (3.0%)

Simple Cipher

1,522

6,249 (avg. 4.1)

851 (55.9%)

158 (10.4%)

Wordy

1,058

12,304 (avg. 11.6)

595 (56.2%)

23 (2.2%)

List Ops

1,241

10,438 (avg. 8.4)

490 (39.5%)

36 (2.9%)

Word Count

3,081

17,856 (avg. 5.8)

2,034 (66.0%)

94 (3.1%)

Difference of Squares

2,357

6,903 (avg. 2.9)

1,871 (79.4%)

77 (3.3%)

Gigasecond

2,546

5,948 (avg. 2.3)

1,831 (71.9%)

81 (3.2%)

Reverse String

2,768

5,717 (avg. 2.1)

2,381 (86.0%)

49 (1.8%)

Triangle

1,689

9,795 (avg. 5.8)

1,271 (75.3%)

40 (2.4%)

Collatz Conjecture

1,111

3,587 (avg. 3.2)

891 (80.2%)

19 (1.7%)

ETL

1,198

5,443 (avg. 4.5)

935 (78.0%)

18 (1.5%)

Protein Translation

1,231

8,383 (avg. 6.8)

954 (77.5%)

29 (2.4%)

Raindrops

1,370

4,386 (avg. 3.2)

1,180 (86.1%)

16 (1.2%)

Hamming

1,215

3,131 (avg. 2.6)

1,036 (85.3%)

13 (1.1%)

Nucleotide Count

922

3,632 (avg. 3.9)

703 (76.2%)

14 (1.5%)

Scrabble Score

1,059

4,790 (avg. 4.5)

831 (78.5%)

23 (2.2%)

Allergies

818

4,732 (avg. 5.8)

558 (68.2%)

13 (1.6%)

Perfect Numbers

920

3,571 (avg. 3.9)

748 (81.3%)

15 (1.6%)

Complex Numbers

559

2,204 (avg. 3.9)

363 (64.9%)

3 (0.5%)

Luhn

846

4,900 (avg. 5.8)

638 (75.4%)

17 (2.0%)

Grains

617

2,870 (avg. 4.7)

464 (75.2%)

8 (1.3%)

Pythagorean Triplet

581

2,359 (avg. 4.1)

320 (55.1%)

5 (0.9%)

Sum of Multiples

621

2,810 (avg. 4.5)

455 (73.3%)

8 (1.3%)

Acronym

1,087

8,314 (avg. 7.6)

801 (73.7%)

13 (1.2%)

Anagram

1,038

5,747 (avg. 5.5)

814 (78.4%)

12 (1.2%)

Isogram

1,067

4,422 (avg. 4.1)

861 (80.7%)

8 (0.7%)

Roman Numerals

877

3,383 (avg. 3.9)

637 (72.6%)

9 (1.0%)

Series

818

4,638 (avg. 5.7)

617 (75.4%)

11 (1.3%)

Phone Number

735

5,280 (avg. 7.2)

511 (69.5%)

3 (0.4%)

Two Bucket

424

1,700 (avg. 4.0)

185 (43.6%)

2 (0.5%)

Variable Length Quantity

316

1,299 (avg. 4.1)

165 (52.2%)

1 (0.3%)

Largest Series Product

419

1,867 (avg. 4.5)

296 (70.6%)

13 (3.1%)

Food Chain

360

1,634 (avg. 4.5)

220 (61.1%)

0 (0.0%)

House

344

1,497 (avg. 4.4)

195 (56.7%)

3 (0.9%)

ISBN Verifier

460

1,845 (avg. 4.0)

325 (70.7%)

8 (1.7%)

Pig Latin

369

1,688 (avg. 4.6)

225 (61.0%)

6 (1.6%)

Proverb

321

829 (avg. 2.6)

235 (73.2%)

1 (0.3%)

Twelve Days

371

1,502 (avg. 4.0)

237 (63.9%)

3 (0.8%)

Beer Song

472

4,832 (avg. 10.2)

276 (58.5%)

1 (0.2%)

Say

323

1,701 (avg. 5.3)

191 (59.1%)

0 (0.0%)

Rectangles

255

839 (avg. 3.3)

120 (47.1%)

0 (0.0%)

Saddle Points

299

963 (avg. 3.2)

184 (61.5%)

5 (1.7%)

Spiral Matrix

291

1,011 (avg. 3.5)

172 (59.1%)

3 (1.0%)

Transpose

341

2,535 (avg. 7.4)

190 (55.7%)

1 (0.3%)

OCR Numbers

239

1,356 (avg. 5.7)

133 (55.6%)

3 (1.3%)

Nth Prime

389

1,296 (avg. 3.3)

275 (70.7%)

2 (0.5%)

Alphametics

244

1,119 (avg. 4.6)

83 (34.0%)

1 (0.4%)

Connect

193

673 (avg. 3.5)

86 (44.6%)

2 (1.0%)

Bowling

513

4,742 (avg. 9.2)

170 (33.1%)

7 (1.4%)

Prime Factors

370

919 (avg. 2.5)

272 (73.5%)

12 (3.2%)

Diamond

266

1,174 (avg. 4.4)

152 (57.1%)

0 (0.0%)

Pascal's Triangle

298

948 (avg. 3.2)

188 (63.1%)

4 (1.3%)

Binary Search Tree

394

1,850 (avg. 4.7)

238 (60.4%)

4 (1.0%)

Sublist

301

1,716 (avg. 5.7)

178 (59.1%)

2 (0.7%)

Custom Set

308

1,769 (avg. 5.7)

171 (55.5%)

0 (0.0%)

Circular Buffer

521

2,206 (avg. 4.2)

311 (59.7%)

7 (1.3%)

Word Search

458

2,169 (avg. 4.7)

159 (34.7%)

7 (1.5%)

Sieve

257

663 (avg. 2.6)

178 (69.3%)

2 (0.8%)

Palindrome Products

263

1,933 (avg. 7.3)

116 (44.1%)

4 (1.5%)

Diffie-Hellman

693

2,291 (avg. 3.3)

470 (67.8%)

6 (0.9%)

Robot Simulator

574

3,659 (avg. 6.4)

360 (62.7%)

5 (0.9%)

Armstrong Numbers

1,375

5,665 (avg. 4.1)

1,026 (74.6%)

27 (2.0%)

Run-Length Encoding

1,135

5,245 (avg. 4.6)

740 (65.2%)

22 (1.9%)

Bank Account

286

1,617 (avg. 5.7)

201 (70.3%)

1 (0.3%)

Eliud's Eggs

222

571 (avg. 2.6)

179 (80.6%)

3 (1.4%)

Rotational Cipher

435

794 (avg. 1.8)

284 (65.3%)

9 (2.1%)

Strain

615

1,402 (avg. 2.3)

422 (68.6%)

16 (2.6%)

All Your Base

432

1,624 (avg. 3.8)

239 (55.3%)

5 (1.2%)

Flatten Array

734

3,162 (avg. 4.3)

469 (63.9%)

14 (1.9%)

Matching Brackets

611

2,593 (avg. 4.2)

372 (60.9%)

16 (2.6%)

Tournament

234

2,140 (avg. 9.1)

127 (54.3%)

2 (0.9%)

Minesweeper

486

2,109 (avg. 4.3)

259 (53.3%)

8 (1.6%)

Kindergarten Garden

282

1,165 (avg. 4.1)

170 (60.3%)

1 (0.4%)

Queen Attack

687

2,981 (avg. 4.3)

387 (56.3%)

23 (3.3%)

React

862

1,594 (avg. 1.8)

78 (9.0%)

1 (0.1%)

Crypto Square

406

1,506 (avg. 3.7)

216 (53.2%)

7 (1.7%)

Knapsack

478

2,608 (avg. 5.5)

168 (35.1%)

5 (1.0%)

1 deprecated practice exercises

Started

Attempts

Completions

Mentoring requests

Accumulate

386

884 (avg. 2.3)

266 (68.9%)

11 (2.8%)

37 unimplemented practice exercises

Affine Cipher

Baffling Birthdays

Book Store

Bottle Song

Change

Conway's Game of Life

Dominoes

DOT DSL

Error Handling

Forth

Go Counting

Grep

Hangman

High Scores

Killer Sudoku Helper

Ledger

Lens Person

Markdown

Meetup

Micro Blog

PaaS I/O

Parallel Letter Frequency

Poker

POV

Rail Fence Cipher

Relative Distance

REST API

Satellite

SGF Parsing

Simple Linked List

Square Root

State of Tic-Tac-Toe

Swift Scheduling

Tree Building

Yacht

Zebra Puzzle

Zipper

Programming Tags

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

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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: 078ce57d389542e5c9f84ce27fa06904d38a5af2 (Takes up to 10 mins to deploy)

Next goal: Get Test Runners to Version 2. TypeScript is currently utilising a Version 1 Test Runner. Find out more.

Total Test Runner Runs

1,243,171

Test Run Pass Rate

19.3% (239456)

Test Run Fail Rate

41.1% (510857)

Test Run Error Rate

39.6% (492858)

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: 970e41d244fe29d25e5836d1d504bae5d87ebf28 (Takes up to 10 mins to deploy)

Total Representer Runs

228,372

Total Representation Comments Made

52,273

Feedback Given Frequency

22.9%

Analyzer

Learn More

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

Current version: 8cda5a222e955b9ac0c1fc2150364a3ed0252515 (Takes up to 10 mins to deploy)

Total Analyzer Runs

227,717

Total Analysis Comments Made

11,351

Feedback Given Frequency

0.8%

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6,162

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5,673

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