Red impact and status on Exercism

Red

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About Red

Practice

12 contributors

35 mentors

Red Track Management

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

Students

395

Submissions

12,580

Mentoring Discussions

The Red track needs attention ⚠️

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: 55e4209cc929d75530cd25d3754f79756b51cdd5 (Updates should be instant)

Next goal: Implement at least 50 practice exercises. Find out more.

49 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

382

838 (avg. 2.2)

298 (78.0%)

0 (0.0%)

Allergies

599 (avg. 15.4)

12 (30.8%)

1 (2.6%)

Anagram

228 (avg. 16.3)

11 (78.6%)

0 (0.0%)

Armstrong Numbers

79 (avg. 6.6)

11 (91.7%)

0 (0.0%)

Atbash Cipher

63 (avg. 15.8)

3 (75.0%)

0 (0.0%)

Binary Search

250 (avg. 8.6)

10 (34.5%)

1 (3.4%)

Bob

42 (avg. 10.5)

2 (50.0%)

0 (0.0%)

Collatz Conjecture

188 (avg. 11.1)

15 (88.2%)

0 (0.0%)

Difference of Squares

203 (avg. 11.9)

14 (82.4%)

0 (0.0%)

Eliud's Eggs

73 (avg. 5.2)

13 (92.9%)

0 (0.0%)

ETL

15 (avg. 2.5)

5 (83.3%)

0 (0.0%)

Gigasecond

30 (avg. 3.0)

9 (90.0%)

0 (0.0%)

Grains

93 (avg. 7.2)

11 (84.6%)

0 (0.0%)

Hamming

120 (avg. 9.2)

12 (92.3%)

0 (0.0%)

Isogram

70 (avg. 7.0)

7 (70.0%)

1 (10.0%)

Leap

182 (avg. 6.3)

23 (79.3%)

0 (0.0%)

Nucleotide Count

123 (avg. 9.5)

10 (76.9%)

0 (0.0%)

Nth Prime

6 (avg. 2.0)

2 (66.7%)

0 (0.0%)

Pangram

129 (avg. 11.7)

10 (90.9%)

0 (0.0%)

Phone Number

9 (avg. 3.0)

2 (66.7%)

0 (0.0%)

Protein Translation

609 (avg. 9.4)

48 (73.8%)

2 (3.1%)

Raindrops

385 (avg. 5.9)

57 (87.7%)

4 (6.2%)

Resistor Color

382 (avg. 4.7)

69 (85.2%)

1 (1.2%)

Resistor Color Duo

206 (avg. 5.9)

33 (94.3%)

0 (0.0%)

Resistor Color Trio

479 (avg. 17.1)

24 (85.7%)

1 (3.6%)

Reverse String

109

908 (avg. 8.3)

81 (74.3%)

2 (1.8%)

RNA Transcription

44 (avg. 4.4)

8 (80.0%)

0 (0.0%)

Scrabble Score

74 (avg. 6.2)

10 (83.3%)

0 (0.0%)

Secret Handshake

111 (avg. 10.1)

9 (81.8%)

0 (0.0%)

Space Age

401 (avg. 6.5)

54 (87.1%)

0 (0.0%)

Square Root

106 (avg. 10.6)

8 (80.0%)

0 (0.0%)

Triangle

86 (avg. 7.2)

10 (83.3%)

0 (0.0%)

Two Fer

161

1,013 (avg. 6.3)

97 (60.2%)

5 (3.1%)

Yacht

120 (avg. 17.1)

6 (85.7%)

0 (0.0%)

Bottle Song

16 (avg. 5.3)

2 (66.7%)

0 (0.0%)

Darts

176 (avg. 4.5)

33 (84.6%)

1 (2.6%)

D&D Character

113 (avg. 11.3)

8 (80.0%)

0 (0.0%)

Matching Brackets

14 (avg. 4.7)

2 (66.7%)

0 (0.0%)

High Scores

94 (avg. 4.3)

14 (63.6%)

0 (0.0%)

Largest Series Product

613 (avg. 24.5)

22 (88.0%)

1 (4.0%)

Roman Numerals

469 (avg. 12.7)

29 (78.4%)

0 (0.0%)

Rotational Cipher

440 (avg. 13.3)

23 (69.7%)

1 (3.0%)

Run-Length Encoding

174 (avg. 9.7)

13 (72.2%)

0 (0.0%)

SGF Parsing

692 (avg. 38.4)

8 (44.4%)

1 (5.6%)

Simple Linked List

127 (avg. 6.7)

13 (68.4%)

0 (0.0%)

Bowling

420 (avg. 26.3)

9 (56.3%)

1 (6.3%)

Circular Buffer

359 (avg. 18.0)

12 (60.0%)

0 (0.0%)

POV

488 (avg. 32.5)

7 (46.7%)

0 (0.0%)

Acronym

121 (avg. 11.0)

7 (63.6%)

0 (0.0%)

85 unimplemented practice exercises

Affine Cipher

All Your Base

Alphametics

Baffling Birthdays

Bank Account

Binary Search Tree

Book Store

Change

Clock

Complex Numbers

Connect

Conway's Game of Life

Crypto Square

Custom Set

Diamond

Dominoes

DOT DSL

Error Handling

Flatten Array

Food Chain

Forth

Go Counting

Grade School

Grep

Hangman

House

Intergalactic Transmission

ISBN Verifier

Killer Sudoku Helper

Kindergarten Garden

Knapsack

Ledger

Lens Person

Linked List

List Ops

Luhn

Markdown

Matrix

Meetup

Micro Blog

Minesweeper

OCR Numbers

PaaS I/O

Palindrome Products

Parallel Letter Frequency

Pascal's Triangle

Perfect Numbers

Pig Latin

Poker

Prime Factors

Proverb

Pythagorean Triplet

Queen Attack

Rail Fence Cipher

Rational Numbers

React

Rectangles

Relative Distance

REST API

Robot Name

Robot Simulator

Saddle Points

Satellite

Say

Series

Sieve

Simple Cipher

Spiral Matrix

Split-Second Stopwatch

State of Tic-Tac-Toe

Strain

Sublist

Sum of Multiples

Swift Scheduling

Tournament

Transpose

Tree Building

Twelve Days

Two Bucket

Variable Length Quantity

Word Count

Word Search

Wordy

Zebra Puzzle

Zipper

Programming Tags

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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: ac3da9ce35ab96d7cda5a44a29f34e37330e07cc (Takes up to 10 mins to deploy)

Total Test Runner Runs

12,524

Test Run Pass Rate

18.5% (2319)

Test Run Fail Rate

70.6% (8838)

Test Run Error Rate

10.9% (1367)

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.

Next goal: Build a Representer. Find out more.

Analyzer

Learn More

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

Next goal: Build an Analyzer. Find out more.

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