2,505
students have developed their Delphi Pascal skills on Exercism.

Students
2,505
Submissions
2,798
Mentoring Discussions
456

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

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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.

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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.

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Usage statistics

76 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
674
384 (avg. 0.6)
291 (43.2%)
0 (0.0%)
Two Fer Two Fer
249
282 (avg. 1.1)
164 (65.9%)
76 (30.5%)
Leap Leap
158
203 (avg. 1.3)
126 (79.7%)
50 (31.6%)
Gigasecond Gigasecond
105
109 (avg. 1.0)
76 (72.4%)
34 (32.4%)
Resistor Color Resistor Color
76
98 (avg. 1.3)
59 (77.6%)
25 (32.9%)
Space Age Space Age
65
81 (avg. 1.2)
48 (73.8%)
22 (33.8%)
High Scores High Scores
53
71 (avg. 1.3)
39 (73.6%)
12 (22.6%)
Hamming Hamming
50
69 (avg. 1.4)
45 (90.0%)
16 (32.0%)
Nucleotide Count Nucleotide Count
41
71 (avg. 1.7)
34 (82.9%)
14 (34.1%)
Robot Name Robot Name
37
45 (avg. 1.2)
24 (64.9%)
9 (24.3%)
Allergies Allergies
29
42 (avg. 1.4)
25 (86.2%)
9 (31.0%)
Grade School Grade School
29
45 (avg. 1.6)
22 (75.9%)
12 (41.4%)
Rotational Cipher Rotational Cipher
22
22 (avg. 1.0)
18 (81.8%)
3 (13.6%)
Circular Buffer Circular Buffer
22
29 (avg. 1.3)
16 (72.7%)
7 (31.8%)
Clock Clock
24
33 (avg. 1.4)
18 (75.0%)
6 (25.0%)
Bob Bob
36
61 (avg. 1.7)
30 (83.3%)
17 (47.2%)
Matching Brackets Matching Brackets
19
28 (avg. 1.5)
15 (78.9%)
7 (36.8%)
Tournament Tournament
16
19 (avg. 1.2)
7 (43.8%)
3 (18.8%)
Pangram Pangram
65
73 (avg. 1.1)
45 (69.2%)
9 (13.8%)
Isogram Isogram
45
65 (avg. 1.4)
37 (82.2%)
7 (15.6%)
Acronym Acronym
42
39 (avg. 0.9)
32 (76.2%)
1 (2.4%)
Grains Grains
38
48 (avg. 1.3)
32 (84.2%)
7 (18.4%)
Perfect Numbers Perfect Numbers
31
36 (avg. 1.2)
25 (80.6%)
4 (12.9%)
Collatz Conjecture Collatz Conjecture
29
43 (avg. 1.5)
26 (89.7%)
6 (20.7%)
Phone Number Phone Number
23
28 (avg. 1.2)
17 (73.9%)
2 (8.7%)
Scrabble Score Scrabble Score
18
18 (avg. 1.0)
17 (94.4%)
0 (0.0%)
Meetup Meetup
16
15 (avg. 0.9)
12 (75.0%)
0 (0.0%)
Difference of Squares Difference of Squares
22
25 (avg. 1.1)
20 (90.9%)
5 (22.7%)
Series Series
19
22 (avg. 1.2)
17 (89.5%)
3 (15.8%)
Sum of Multiples Sum of Multiples
22
25 (avg. 1.1)
16 (72.7%)
5 (22.7%)
All Your Base All Your Base
11
11 (avg. 1.0)
8 (72.7%)
1 (9.1%)
Pascal's Triangle Pascal's Triangle
12
10 (avg. 0.8)
8 (66.7%)
1 (8.3%)
Prime Factors Prime Factors
12
14 (avg. 1.2)
10 (83.3%)
0 (0.0%)
Armstrong Numbers Armstrong Numbers
19
24 (avg. 1.3)
17 (89.5%)
4 (21.1%)
Darts Darts
16
13 (avg. 0.8)
12 (75.0%)
0 (0.0%)
Triangle Triangle
21
26 (avg. 1.2)
15 (71.4%)
5 (23.8%)
Rational Numbers Rational Numbers
12
11 (avg. 0.9)
8 (66.7%)
1 (8.3%)
Raindrops Raindrops
23
28 (avg. 1.2)
21 (91.3%)
7 (30.4%)
Beer Song Beer Song
17
24 (avg. 1.4)
15 (88.2%)
6 (35.3%)
Proverb Proverb
16
20 (avg. 1.3)
12 (75.0%)
2 (12.5%)
Protein Translation Protein Translation
12
12 (avg. 1.0)
11 (91.7%)
0 (0.0%)
Secret Handshake Secret Handshake
14
19 (avg. 1.4)
12 (85.7%)
2 (14.3%)
Roman Numerals Roman Numerals
14
23 (avg. 1.6)
11 (78.6%)
4 (28.6%)
ETL ETL
16
19 (avg. 1.2)
13 (81.3%)
1 (6.3%)
Parallel Letter Frequency Parallel Letter Frequency
12
12 (avg. 1.0)
5 (41.7%)
2 (16.7%)
Sieve Sieve
13
13 (avg. 1.0)
12 (92.3%)
0 (0.0%)
Anagram Anagram
15
21 (avg. 1.4)
13 (86.7%)
4 (26.7%)
Binary Search Binary Search
19
28 (avg. 1.5)
13 (68.4%)
6 (31.6%)
Kindergarten Garden Kindergarten Garden
9
10 (avg. 1.1)
8 (88.9%)
1 (11.1%)
Matrix Matrix
8
8 (avg. 1.0)
5 (62.5%)
0 (0.0%)
Crypto Square Crypto Square
5
11 (avg. 2.2)
4 (80.0%)
0 (0.0%)
Food Chain Food Chain
5
4 (avg. 0.8)
4 (80.0%)
0 (0.0%)
Minesweeper Minesweeper
8
9 (avg. 1.1)
7 (87.5%)
2 (25.0%)
Wordy Wordy
10
10 (avg. 1.0)
6 (60.0%)
2 (20.0%)
Atbash Cipher Atbash Cipher
9
6 (avg. 0.7)
5 (55.6%)
0 (0.0%)
Binary Search Tree Binary Search Tree
6
5 (avg. 0.8)
3 (50.0%)
0 (0.0%)
OCR Numbers OCR Numbers
5
4 (avg. 0.8)
4 (80.0%)
0 (0.0%)
Saddle Points Saddle Points
8
16 (avg. 2.0)
7 (87.5%)
3 (37.5%)
Palindrome Products Palindrome Products
6
5 (avg. 0.8)
3 (50.0%)
0 (0.0%)
Queen Attack Queen Attack
7
5 (avg. 0.7)
5 (71.4%)
0 (0.0%)
Robot Simulator Robot Simulator
10
10 (avg. 1.0)
6 (60.0%)
0 (0.0%)
Bank Account Bank Account
15
18 (avg. 1.2)
12 (80.0%)
4 (26.7%)
ISBN Verifier ISBN Verifier
19
25 (avg. 1.3)
13 (68.4%)
6 (31.6%)
Twelve Days Twelve Days
10
8 (avg. 0.8)
5 (50.0%)
3 (30.0%)
Word Count Word Count
14
18 (avg. 1.3)
9 (64.3%)
3 (21.4%)
Luhn Luhn
12
15 (avg. 1.3)
7 (58.3%)
1 (8.3%)
Markdown Markdown
9
5 (avg. 0.6)
3 (33.3%)
1 (11.1%)
Diamond Diamond
14
16 (avg. 1.1)
7 (50.0%)
1 (7.1%)
Book Store Book Store
9
5 (avg. 0.6)
3 (33.3%)
2 (22.2%)
Bowling Bowling
9
8 (avg. 0.9)
5 (55.6%)
1 (11.1%)
Nth Prime Nth Prime
7
4 (avg. 0.6)
2 (28.6%)
0 (0.0%)
Pig Latin Pig Latin
8
6 (avg. 0.8)
6 (75.0%)
1 (12.5%)
Poker Poker
11
6 (avg. 0.5)
4 (36.4%)
0 (0.0%)
Say Say
8
5 (avg. 0.6)
4 (50.0%)
0 (0.0%)
Reverse String Reverse String
53
58 (avg. 1.1)
43 (81.1%)
6 (11.3%)
RNA Transcription RNA Transcription
34
41 (avg. 1.2)
26 (76.5%)
8 (23.5%)
53 unimplemented practice exercises
Affine Cipher Affine Cipher
Alphametics Alphametics
Bottle Song Bottle Song
Change Change
Complex Numbers Complex Numbers
Connect Connect
Custom Set Custom Set
D&D Character D&D Character
DOT DSL DOT DSL
Dominoes Dominoes
Error Handling Error Handling
Flatten Array Flatten Array
Forth Forth
Go Counting Go Counting
Grep Grep
Hangman Hangman
House House
Killer Sudoku Helper Killer Sudoku Helper
Knapsack Knapsack
Largest Series Product Largest Series Product
Ledger Ledger
Lens Person Lens Person
Linked List Linked List
List Ops List Ops
Micro Blog Micro Blog
POV POV
PaaS I/O PaaS I/O
Pythagorean Triplet Pythagorean Triplet
REST API REST API
Rail Fence Cipher Rail Fence Cipher
React React
Rectangles Rectangles
Resistor Color Duo Resistor Color Duo
Resistor Color Trio Resistor Color Trio
Run-Length Encoding Run-Length Encoding
SGF Parsing SGF Parsing
Satellite Satellite
Scale Generator Scale Generator
Simple Cipher Simple Cipher
Simple Linked List Simple Linked List
Spiral Matrix Spiral Matrix
Square Root Square Root
State of Tic-Tac-Toe State of Tic-Tac-Toe
Strain Strain
Sublist Sublist
Transpose Transpose
Tree Building Tree Building
Two Bucket Two Bucket
Variable Length Quantity Variable Length Quantity
Word Search Word Search
Yacht Yacht
Zebra Puzzle Zebra Puzzle
Zipper Zipper