Red impact and status on Exercism

Red

340 students

About Red

Practice

11 contributors

31 mentors

Red Track Management

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

Students

340

Submissions

7,552

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: d7a59a7131b027647403a5bbac7c978cd61aa4d6 (Updates should be instant)

Next goal: Implement at least 40 practice exercises. Find out more.

34 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

315

540 (avg. 1.7)

251 (79.7%)

0 (0.0%)

Allergies

62 (avg. 10.3)

4 (66.7%)

0 (0.0%)

Binary Search

116 (avg. 6.1)

4 (21.1%)

1 (5.3%)

Collatz Conjecture

74 (avg. 7.4)

7 (70.0%)

0 (0.0%)

Difference of Squares

56 (avg. 5.6)

7 (70.0%)

0 (0.0%)

Eliud's Eggs

23 (avg. 3.3)

6 (85.7%)

0 (0.0%)

Grains

36 (avg. 4.5)

7 (87.5%)

0 (0.0%)

Hamming

51 (avg. 7.3)

6 (85.7%)

0 (0.0%)

Leap

99 (avg. 4.5)

17 (77.3%)

0 (0.0%)

Nucleotide Count

25 (avg. 3.6)

5 (71.4%)

0 (0.0%)

Pangram

73 (avg. 18.3)

3 (75.0%)

0 (0.0%)

Protein Translation

569 (avg. 9.3)

43 (70.5%)

2 (3.3%)

Raindrops

361 (avg. 5.9)

53 (86.9%)

4 (6.6%)

Resistor Color

361 (avg. 4.8)

65 (85.5%)

1 (1.3%)

Resistor Color Duo

183 (avg. 6.1)

29 (96.7%)

0 (0.0%)

Resistor Color Trio

425 (avg. 18.5)

20 (87.0%)

1 (4.3%)

Reverse String

104

869 (avg. 8.4)

76 (73.1%)

2 (1.9%)

Scrabble Score

12 (avg. 2.4)

4 (80.0%)

0 (0.0%)

Space Age

378 (avg. 6.5)

51 (87.9%)

0 (0.0%)

Square Root

34 (avg. 6.8)

4 (80.0%)

0 (0.0%)

Triangle

52 (avg. 8.7)

5 (83.3%)

0 (0.0%)

Two Fer

157

987 (avg. 6.3)

94 (59.9%)

5 (3.2%)

Darts

136 (avg. 4.0)

29 (85.3%)

1 (2.9%)

High Scores

62 (avg. 3.9)

11 (68.8%)

0 (0.0%)

Largest Series Product

497 (avg. 26.2)

17 (89.5%)

1 (5.3%)

Roman Numerals

291 (avg. 9.1)

24 (75.0%)

0 (0.0%)

Rotational Cipher

287 (avg. 10.6)

18 (66.7%)

1 (3.7%)

Run-Length Encoding

113 (avg. 7.5)

11 (73.3%)

0 (0.0%)

SGF Parsing

167 (avg. 11.1)

6 (40.0%)

1 (6.7%)

Simple Linked List

17 (avg. 1.2)

9 (64.3%)

0 (0.0%)

Bowling

350 (avg. 26.9)

6 (46.2%)

1 (7.7%)

Circular Buffer

90 (avg. 6.0)

9 (60.0%)

0 (0.0%)

POV

135 (avg. 13.5)

5 (50.0%)

0 (0.0%)

Acronym

21 (avg. 7.0)

2 (66.7%)

0 (0.0%)

95 unimplemented practice exercises

Affine Cipher

All Your Base

Alphametics

Anagram

Armstrong Numbers

Atbash Cipher

Bank Account

Binary Search Tree

Bob

Book Store

Bottle Song

Change

Clock

Complex Numbers

Connect

Conway's Game of Life

Crypto Square

Custom Set

D&D Character

Diamond

Dominoes

DOT DSL

Error Handling

ETL

Flatten Array

Food Chain

Forth

Gigasecond

Go Counting

Grade School

Grep

Hangman

House

ISBN Verifier

Isogram

Killer Sudoku Helper

Kindergarten Garden

Knapsack

Ledger

Lens Person

Linked List

List Ops

Luhn

Markdown

Matching Brackets

Matrix

Meetup

Micro Blog

Minesweeper

Nth Prime

OCR Numbers

PaaS I/O

Palindrome Products

Parallel Letter Frequency

Pascal's Triangle

Perfect Numbers

Phone Number

Pig Latin

Poker

Prime Factors

Proverb

Pythagorean Triplet

Queen Attack

Rail Fence Cipher

Rational Numbers

React

Rectangles

REST API

RNA Transcription

Robot Name

Robot Simulator

Saddle Points

Satellite

Say

Secret Handshake

Series

Sieve

Simple Cipher

Spiral Matrix

State of Tic-Tac-Toe

Strain

Sublist

Sum of Multiples

Tournament

Transpose

Tree Building

Twelve Days

Two Bucket

Variable Length Quantity

Word Count

Word Search

Wordy

Yacht

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

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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: 63db7edeee4d437bedb7b76aa51d027d432b4eb8 (Takes up to 10 mins to deploy)

Total Test Runner Runs

7,527

Test Run Pass Rate

21.7% (1635)

Test Run Fail Rate

68.7% (5172)

Test Run Error Rate

9.6% (720)

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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