TypeScript impact and status on Exercism

TypeScript

64,962 students

About TypeScript

Practice

87 contributors

1597 mentors

TypeScript Track Management

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

Students

64,962

Submissions

1,011,356

Mentoring Discussions

8,353

The TypeScript 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: 944ecbe7088c06dc17aadd966103da1c8f4c53bd (Updates should be instant)

Next goal: Implement 131 practice exercises. Find out more.

97 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

42,362

61,347 (avg. 1.4)

35,439 (83.7%)

6 (0.0%)

Two Fer

27,826

97,992 (avg. 3.5)

21,156 (76.0%)

1,715 (6.2%)

Resistor Color

9,890

49,277 (avg. 5.0)

7,512 (76.0%)

375 (3.8%)

Resistor Color Duo

17,863

138,693 (avg. 7.8)

11,613 (65.0%)

1,280 (7.2%)

Resistor Color Trio

8,620

89,652 (avg. 10.4)

5,550 (64.4%)

351 (4.1%)

Leap

11,301

35,903 (avg. 3.2)

9,260 (81.9%)

1,415 (12.5%)

RNA Transcription

7,764

49,881 (avg. 6.4)

6,222 (80.1%)

638 (8.2%)

Space Age

6,254

40,548 (avg. 6.5)

4,865 (77.8%)

349 (5.6%)

D&D Character

4,077

33,506 (avg. 8.2)

2,667 (65.4%)

125 (3.1%)

Darts

1,432

5,163 (avg. 3.6)

1,087 (75.9%)

30 (2.1%)

Pangram

4,961

22,342 (avg. 4.5)

3,953 (79.7%)

259 (5.2%)

Bob

4,630

38,747 (avg. 8.4)

3,123 (67.5%)

250 (5.4%)

Matrix

4,117

28,965 (avg. 7.0)

2,590 (62.9%)

201 (4.9%)

Robot Name

3,656

26,804 (avg. 7.3)

2,027 (55.4%)

184 (5.0%)

Grade School

2,431

28,223 (avg. 11.6)

1,499 (61.7%)

115 (4.7%)

Clock

1,893

15,849 (avg. 8.4)

1,240 (65.5%)

75 (4.0%)

Secret Handshake

1,456

6,993 (avg. 4.8)

1,092 (75.0%)

56 (3.8%)

Binary Search

1,618

8,673 (avg. 5.4)

1,168 (72.2%)

39 (2.4%)

Linked List

1,587

12,878 (avg. 8.1)

956 (60.2%)

65 (4.1%)

Rational Numbers

794

6,620 (avg. 8.3)

523 (65.9%)

23 (2.9%)

Atbash Cipher

846

6,419 (avg. 7.6)

664 (78.5%)

28 (3.3%)

Simple Cipher

1,331

4,841 (avg. 3.6)

711 (53.4%)

154 (11.6%)

Wordy

827

9,133 (avg. 11.0)

467 (56.5%)

20 (2.4%)

List Ops

1,005

8,442 (avg. 8.4)

395 (39.3%)

29 (2.9%)

Word Count

2,642

14,137 (avg. 5.4)

1,734 (65.6%)

86 (3.3%)

Difference of Squares

2,090

5,749 (avg. 2.8)

1,633 (78.1%)

71 (3.4%)

Gigasecond

2,326

5,184 (avg. 2.2)

1,651 (71.0%)

77 (3.3%)

Reverse String

2,390

4,745 (avg. 2.0)

2,041 (85.4%)

46 (1.9%)

Triangle

1,420

8,035 (avg. 5.7)

1,067 (75.1%)

36 (2.5%)

Collatz Conjecture

892

2,665 (avg. 3.0)

703 (78.8%)

18 (2.0%)

ETL

973

4,204 (avg. 4.3)

756 (77.7%)

17 (1.7%)

Protein Translation

1,035

6,957 (avg. 6.7)

790 (76.3%)

29 (2.8%)

Raindrops

1,126

3,503 (avg. 3.1)

960 (85.3%)

15 (1.3%)

Hamming

1,009

2,548 (avg. 2.5)

855 (84.7%)

12 (1.2%)

Nucleotide Count

732

2,887 (avg. 3.9)

551 (75.3%)

13 (1.8%)

Scrabble Score

874

4,041 (avg. 4.6)

683 (78.1%)

19 (2.2%)

Allergies

645

3,802 (avg. 5.9)

429 (66.5%)

13 (2.0%)

Perfect Numbers

749

2,719 (avg. 3.6)

607 (81.0%)

11 (1.5%)

Complex Numbers

421

1,486 (avg. 3.5)

280 (66.5%)

3 (0.7%)

Luhn

658

3,832 (avg. 5.8)

483 (73.4%)

16 (2.4%)

Grains

496

2,198 (avg. 4.4)

362 (73.0%)

7 (1.4%)

Pythagorean Triplet

459

1,751 (avg. 3.8)

249 (54.2%)

4 (0.9%)

Sum of Multiples

507

2,142 (avg. 4.2)

363 (71.6%)

7 (1.4%)

Acronym

879

6,832 (avg. 7.8)

643 (73.2%)

9 (1.0%)

Anagram

867

4,863 (avg. 5.6)

675 (77.9%)

12 (1.4%)

Isogram

886

3,595 (avg. 4.1)

707 (79.8%)

7 (0.8%)

Roman Numerals

727

2,668 (avg. 3.7)

517 (71.1%)

8 (1.1%)

Series

665

3,832 (avg. 5.8)

505 (75.9%)

10 (1.5%)

Phone Number

609

4,233 (avg. 7.0)

431 (70.8%)

3 (0.5%)

Two Bucket

337

1,223 (avg. 3.6)

142 (42.1%)

2 (0.6%)

Variable Length Quantity

259

1,046 (avg. 4.0)

127 (49.0%)

1 (0.4%)

Largest Series Product

337

1,493 (avg. 4.4)

228 (67.7%)

13 (3.9%)

Food Chain

287

1,220 (avg. 4.3)

169 (58.9%)

0 (0.0%)

House

275

1,180 (avg. 4.3)

153 (55.6%)

3 (1.1%)

ISBN Verifier

373

1,470 (avg. 3.9)

255 (68.4%)

7 (1.9%)

Pig Latin

279

1,272 (avg. 4.6)

165 (59.1%)

3 (1.1%)

Proverb

245

575 (avg. 2.3)

175 (71.4%)

1 (0.4%)

Twelve Days

299

1,117 (avg. 3.7)

188 (62.9%)

3 (1.0%)

Beer Song

408

4,443 (avg. 10.9)

230 (56.4%)

1 (0.2%)

Say

260

1,372 (avg. 5.3)

146 (56.2%)

0 (0.0%)

Rectangles

204

729 (avg. 3.6)

86 (42.2%)

0 (0.0%)

Saddle Points

235

784 (avg. 3.3)

142 (60.4%)

5 (2.1%)

Spiral Matrix

228

716 (avg. 3.1)

127 (55.7%)

3 (1.3%)

Transpose

286

2,225 (avg. 7.8)

156 (54.5%)

0 (0.0%)

OCR Numbers

196

1,202 (avg. 6.1)

106 (54.1%)

1 (0.5%)

Nth Prime

334

1,130 (avg. 3.4)

231 (69.2%)

2 (0.6%)

Alphametics

200

865 (avg. 4.3)

62 (31.0%)

1 (0.5%)

Connect

154

592 (avg. 3.8)

64 (41.6%)

2 (1.3%)

Bowling

431

4,301 (avg. 10.0)

139 (32.3%)

7 (1.6%)

Prime Factors

315

756 (avg. 2.4)

229 (72.7%)

11 (3.5%)

Diamond

203

899 (avg. 4.4)

120 (59.1%)

0 (0.0%)

Pascal's Triangle

243

723 (avg. 3.0)

151 (62.1%)

4 (1.6%)

Binary Search Tree

338

1,666 (avg. 4.9)

207 (61.2%)

4 (1.2%)

Sublist

243

1,353 (avg. 5.6)

142 (58.4%)

2 (0.8%)

Custom Set

248

1,493 (avg. 6.0)

130 (52.4%)

0 (0.0%)

Circular Buffer

443

1,872 (avg. 4.2)

255 (57.6%)

6 (1.4%)

Word Search

388

1,800 (avg. 4.6)

126 (32.5%)

6 (1.5%)

Sieve

213

540 (avg. 2.5)

143 (67.1%)

2 (0.9%)

Palindrome Products

208

1,494 (avg. 7.2)

92 (44.2%)

4 (1.9%)

Diffie-Hellman

581

1,965 (avg. 3.4)

389 (67.0%)

6 (1.0%)

Robot Simulator

375

2,132 (avg. 5.7)

207 (55.2%)

4 (1.1%)

Armstrong Numbers

1,234

4,455 (avg. 3.6)

923 (74.8%)

25 (2.0%)

Run-Length Encoding

1,027

4,601 (avg. 4.5)

659 (64.2%)

21 (2.0%)

Bank Account

697 (avg. 7.3)

79 (83.2%)

0 (0.0%)

Eliud's Eggs

228 (avg. 2.9)

69 (86.3%)

0 (0.0%)

Rotational Cipher

370

637 (avg. 1.7)

242 (65.4%)

9 (2.4%)

Strain

571

1,275 (avg. 2.2)

389 (68.1%)

16 (2.8%)

All Your Base

352

1,213 (avg. 3.4)

191 (54.3%)

5 (1.4%)

Flatten Array

645

2,862 (avg. 4.4)

405 (62.8%)

14 (2.2%)

Matching Brackets

531

2,313 (avg. 4.4)

312 (58.8%)

15 (2.8%)

Tournament

179

1,793 (avg. 10.0)

95 (53.1%)

2 (1.1%)

Minesweeper

402

1,520 (avg. 3.8)

207 (51.5%)

7 (1.7%)

Kindergarten Garden

215

846 (avg. 3.9)

128 (59.5%)

1 (0.5%)

Queen Attack

605

2,521 (avg. 4.2)

339 (56.0%)

21 (3.5%)

React

694

1,136 (avg. 1.6)

53 (7.6%)

1 (0.1%)

Crypto Square

331

1,178 (avg. 3.6)

169 (51.1%)

4 (1.2%)

Knapsack

354

2,051 (avg. 5.8)

108 (30.5%)

3 (0.8%)

1 deprecated practice exercises

Started

Attempts

Completions

Mentoring requests

Accumulate

386

884 (avg. 2.3)

266 (68.9%)

11 (2.8%)

34 unimplemented practice exercises

Affine Cipher

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

REST API

Satellite

SGF Parsing

Simple Linked List

Square Root

State of Tic-Tac-Toe

Tree Building

Yacht

Zebra Puzzle

Zipper

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: fd6423230625780506f4b5ba92754f06b7302d69 (Takes up to 10 mins to deploy)

Total Test Runner Runs

982,851

Test Run Pass Rate

18.7% (184162)

Test Run Fail Rate

41.7% (409380)

Test Run Error Rate

39.6% (389309)

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: 4ca50f342b1d7f95e468c905f1682faa445d1714 (Takes up to 10 mins to deploy)

Total Representer Runs

180,457

Total Representation Comments Made

36,296

Feedback Given Frequency

20.1%

Analyzer

Learn More

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

Current version: 3887ce4dc8d795e40f6fbcde5ad31c4b23c87587 (Takes up to 10 mins to deploy)

Total Analyzer Runs

179,895

Total Analysis Comments Made

11,284

Feedback Given Frequency

1.0%

Volunteers

466

ajoshguy

6,699

bobahop

6,162

SleeplessByte

4,848

+ 450 more

We 💙 our volunteers

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

Become an Exercism Volunteer

Language Tracks

#48in24 Challenge

Your Journey

Exercism Perks

Community Videos

Brief Introduction Series

Interviews & Stories

Discord

Forum

Getting started

Mentoring

Docs

Contributors

Donate

About Exercism

Our Impact

Insiders

SWAG

TypeScript Track Management

The TypeScript track is healthy ✅

Practice Exercises

Programming Tags

Test Runner

Representer

Analyzer

We 💙 our volunteers