Janusz Bujak 🇵🇱's Profile on SoloLearn
Janusz Bujak 🇵🇱

Janusz Bujak 🇵🇱

16
48886 XP

My Courses

Python 3

9414 XP

C++

529 XP

CSS

475 XP

JavaScript

446 XP

Java

438 XP

C#

406 XP

C

390 XP

Machine Learning

377 XP

Ruby

366 XP

PHP

366 XP

Angular + NestJS

362 XP

Swift 4

351 XP

DS with Python

324 XP

HTML

286 XP

React + Redux

265 XP

SQL

221 XP

jQuery

192 XP


My Codes

cpp
string end NULL '\0'

Last Modified: 11/27/2020 23:40:56

5

cpp
dot * -> & .c++

Last Modified: 11/27/2020 12:46:37

8

web
dw cl a c p .js

Last Modified: 11/25/2020 18:39:21

13

cpp
Decimal to Binary C++

Last Modified: 11/17/2020 18:58:19

23

py
In tribute to Polish⚡Women

Last Modified: 11/12/2020 12:41:31

11

py
All about dictionaries 📚📒📔📕📓📗📘📙

Last Modified: 11/12/2020 09:06:18

50

py
⭐ joke - J I S H A L

Last Modified: 11/05/2020 11:46:50

13

py
fib recur🆚memoiz PYTHONTUTOR

Last Modified: 11/01/2020 18:09:43

25

py
leap year

Last Modified: 10/28/2020 17:06:29

10

py
Hello world - in your language‼️

Last Modified: 10/27/2020 08:19:47

76

py
π & e 1️⃣0️⃣0️⃣1️⃣ digits distribution

Last Modified: 10/24/2020 20:30:44

11

py
pangram - all alphabet letters

Last Modified: 10/24/2020 19:36:58

12

rb
Shortest code with 3️⃣char output

Last Modified: 10/18/2020 16:58:39

11

py
/ * in: def f(x, /, y, *, z):

Last Modified: 10/18/2020 11:16:25

16

rb
Number of 1️⃣ OneLiner

Last Modified: 10/15/2020 13:21:50

12

py
³âˆšn

Last Modified: 10/06/2020 15:06:12

7

py
Translate AnyText ▶️All languages

Last Modified: 10/06/2020 15:05:57

15

py
🐔 or 🥚 & maybe 🍳 or 🐓

Last Modified: 10/01/2020 10:56:24

18

py
1️⃣D TicTacToe

Last Modified: 09/29/2020 07:49:21

18

py
⚾⚽🏐 Ball Digits ⚾⚽🏐

Last Modified: 09/29/2020 07:49:12

12

py
SEX Summations ❎2️⃣ Challenge

Last Modified: 09/29/2020 07:48:59

12

py
ABACUS ↔️ first 💻 🌕OneLiner

Last Modified: 09/27/2020 19:33:45

141

py
🐍.format ATTACK

Last Modified: 09/17/2020 16:40:31

7

py
☕ & 🐍

Last Modified: 09/11/2020 07:36:00

128

py
Game of Life 🎗️John H.Conway🎗️

Last Modified: 09/11/2020 07:35:22

92

py
🔢 Sudoku Validator 🔢

Last Modified: 09/11/2020 07:35:16

55

web
My ancestor⚔️General⚔️Brigadier⚔️Andrzej Galica

Last Modified: 09/11/2020 07:34:43

139

py
blockchain⛓️⛏️block⛏️mining⛏️

Last Modified: 09/11/2020 07:34:14

24

py
🔟➕ weird 🐍 codes 🤔🙃😶🤕

Last Modified: 09/11/2020 07:33:44

43

py
Guess 🐍 len(str(dict))

Last Modified: 09/11/2020 07:32:49

28

py
🎊@decorator🎉Template🎋🎏

Last Modified: 09/10/2020 14:00:43

2

py
🐍 f(*s) 🆚 *s

Last Modified: 09/10/2020 13:54:20

12

py
🐍Context Manager & "with ... as:"

Last Modified: 09/10/2020 13:54:03

8

py
f(x,y=7,*args,**kwargs)

Last Modified: 09/10/2020 13:53:58

9

py
SHUFFLE 5️⃣2️⃣ ♠️♣️♥️♦️

Last Modified: 09/10/2020 13:45:37

35

py
🐍random0️⃣-9️⃣ & 💙 generator

Last Modified: 09/10/2020 13:44:40

26

py
SQLite 🐍

Last Modified: 09/10/2020 13:44:23

15

py
🅰 ➕ 🅱 without ➕

Last Modified: 09/10/2020 13:42:43

79

py
🔟➕ 🐍 Space Remover 🐍

Last Modified: 09/10/2020 13:42:30

53

py
🐍 is easy, simple & readable⁉️🤣

Last Modified: 09/10/2020 13:06:13

77

py
Extremly_obfuscated_code ♻️🐍♻️ #DontAskMeHow

Last Modified: 09/10/2020 13:05:43

48

py
Break repeating-key XOR 1️⃣🔑6️⃣

Last Modified: 09/10/2020 11:07:57

16

py
Repeating-key XOR 1️⃣🔑5️⃣

Last Modified: 09/10/2020 11:07:45

14

py
Detect single-char XOR 1️⃣🔑4️⃣

Last Modified: 09/10/2020 11:07:40

15

py
Single-byte XOR cipher 1️⃣🔑3️⃣

Last Modified: 09/10/2020 11:07:31

11

py
Fixed XOR 1️⃣🔑2️⃣

Last Modified: 09/10/2020 11:07:23

13

py
hex_to_base64 1️⃣🔑1️⃣

Last Modified: 09/10/2020 11:07:16

14

py
blockchain⛏️PoW⛏️difficulty⛏️

Last Modified: 09/09/2020 23:02:20

8

py
Russian💃Doll🤸Problem

Last Modified: 09/08/2020 11:22:35

6

py
Waiting for 🐍 3️⃣.8️⃣‼️‼️‼️

Last Modified: 09/02/2020 07:21:01

43

py
⭐Sololearn

Last Modified: 08/23/2020 10:58:20

9

py
🐍 Neat Pytricks 🔵🔴 tuple

Last Modified: 07/17/2020 08:13:54

59

web
life 👍 or 👎 death

Last Modified: 05/22/2020 13:29:00

9

py
Armstrong number ➕ Euler

Last Modified: 05/13/2020 09:34:11

17

py
deque() 🐍 double-ended queue

Last Modified: 04/22/2020 04:31:15

14

py
Function Overloading in 🐍‼️

Last Modified: 04/22/2020 04:29:06

8

py
numpy round() 🆚 🐍 round( )

Last Modified: 04/19/2020 16:29:34

14

py
read only locals 🆚 globals 🆚 vars

Last Modified: 04/19/2020 10:33:33

13

py
🐍 x = y, z = 'XY' 🤔

Last Modified: 04/05/2020 09:23:31

25

py
🐍 name mangling

Last Modified: 03/19/2020 09:47:57

13

py
🐍default_args init‼️🤔

Last Modified: 03/19/2020 07:55:05

13

py
🐍 yield...◀️▶️🐍 yield from...

Last Modified: 03/04/2020 23:32:08

40

☕ ZeroDivError ☕

Last Modified: 12/19/2019 18:22:12

39

py
🐍 completed illegal oper ⁉️🤔

Last Modified: 12/14/2019 11:34:47

25

py
🐍 module explorer‼️🙂

Last Modified: 12/11/2019 11:00:56

19

py
🐍 ♒ 🆚 copy() 🆚 deepcopy()

Last Modified: 12/07/2019 09:19:49

29

py
🌕 Digging deep in 🐍

Last Modified: 12/04/2019 20:28:28

25

py
🐍range(-5,256+1) mem_optimization

Last Modified: 12/03/2019 16:00:37

17

py
Quiz_locals() 🏡

Last Modified: 11/27/2019 22:22:54

33

py
super()_class 🐍🐍🐍

Last Modified: 11/25/2019 22:28:23

38

py
super()_**kwargs 🐍🐍🐍

Last Modified: 11/25/2019 22:28:16

31

py
super()_Mixin 🐍🐍🐍

Last Modified: 11/25/2019 22:28:10

35

py
Quize Annotating_expressions ❓❓❓

Last Modified: 11/25/2019 22:25:33

27

web
JS 0=="0"==[ ] ⁉️🤔

Last Modified: 11/20/2019 11:02:31

42

php
Timezone: 💖Cracov➡️Poland💖

Last Modified: 11/20/2019 11:01:17

50

py
🐍 nan - worse than 🔳 Black Hole 🤔🙃🤕🤢

Last Modified: 11/11/2019 19:42:12

21

py
Convert 🐍 script ⏩ single line

Last Modified: 11/06/2019 16:02:59

34

py
➕= 🆚 = ➕ Subtle differences 🐍

Last Modified: 11/06/2019 16:01:13

52

py
Don't import Zen of 🐍 ‼️☺️

Last Modified: 11/04/2019 21:53:31

20

py
🐍 isinstance() 🆚 type()

Last Modified: 10/30/2019 12:05:51

17

py
nan = float('nan') ⁉️🤔🐍

Last Modified: 10/28/2019 07:25:16

36

py
inf = float('inf') ⁉️🤔🐍

Last Modified: 10/23/2019 11:36:12

19

py
🔄 All Prime Numbers Generator

Last Modified: 10/23/2019 07:38:15

24

web
🇵🇱 Polish Flag 🇵🇱

Last Modified: 10/16/2019 08:09:55

83

py
🐍 list 🆚 tuple

Last Modified: 10/06/2019 10:15:39

36

py
↪️DATA↩️ recursion 🔄🔁🔃

Last Modified: 10/04/2019 08:30:58

28

py
Quiz class attributes 🐍🐍🐍

Last Modified: 09/23/2019 11:25:13

31

py
Quiz 🤔🐍🐍🐍

Last Modified: 09/23/2019 11:20:44

35

py
Short Shorter Shortest 🐍 #OneLiners

Last Modified: 09/23/2019 05:32:36

30

py
hash(-1️⃣)==hash(-2️⃣) Unbelievable 🆘🆘🆘

Last Modified: 09/23/2019 05:25:40

26

py
Quize - 🐍 can bite you 🆘🆘🆘

Last Modified: 09/23/2019 05:25:17

30

py
What is this❓ ⚪⚪⚪

Last Modified: 09/21/2019 20:27:19

48

py
🐍 strange_behavior ⁉️

Last Modified: 09/20/2019 19:57:48

41

py
Quiz_2️⃣

Last Modified: 09/20/2019 18:19:44

31

py
Quiz_1️⃣

Last Modified: 09/20/2019 18:18:01

30

py
Quiz_3️⃣

Last Modified: 09/20/2019 18:16:25

31

py
Valid_bin_string 0️⃣1️⃣

Last Modified: 09/20/2019 18:16:10

31

py
Quiz_4️⃣2️⃣

Last Modified: 09/20/2019 18:15:57

28

cpp
➿ Loop 🆚 Recursive🔄

Last Modified: 08/26/2019 11:17:54

32

py
🐍 Class on the fly 🍃🐦🕊️🐝🦋🚁✈️

Last Modified: 08/23/2019 21:43:50

25

py
Quize 🐍 Class_function_exec❓❓❓

Last Modified: 08/18/2019 09:45:11

28

py
Quiz_packing_unpacking 📦🎁

Last Modified: 08/15/2019 19:55:50

31

py
🐍 mutable default argument

Last Modified: 08/14/2019 01:58:29

10

py
exec(multi_line_code) 🐍🐍🐍

Last Modified: 06/24/2019 09:40:11

34

py
🆘🆘🆘 "BIG BUG" in Code PlayGround 🆘🆘🆘

Last Modified: 05/07/2019 06:38:22

50

py
super(with/without param)🐍🐍🐍

Last Modified: 05/06/2019 17:14:16

30

py
What_is_this ❓ 🆘🆘🆘

Last Modified: 04/01/2019 20:44:27

40

py
Quiz_🆘

Last Modified: 04/01/2019 20:44:11

26

py
Validate_variable_name_🆘🆗

Last Modified: 04/01/2019 20:44:01

30

py
Quiz_glob_loc 🌐🏠

Last Modified: 04/01/2019 13:08:54

28

py
🐍 return 🆚 yield 🐍

Last Modified: 03/19/2019 11:54:25

38


My Certificates

React + Redux
React + Redux
Issued: 12 July, 2020
Machine Learning
Machine Learning
Issued: 15 June, 2020
DS with Python
DS with Python
Issued: 15 June, 2020
Angular + NestJS
Angular + NestJS
Issued: 27 May, 2020
C
C
Issued: 11 July, 2019
Ruby
Ruby
Issued: 06 July, 2017
jQuery
jQuery
Issued: 29 June, 2017
C++
C++
Issued: 09 April, 2016
Swift 4
Swift 4
Issued: 07 April, 2016
C#
C#
Issued: 05 April, 2016
HTML
HTML
Issued: 03 April, 2016
Java
Java
Issued: 02 April, 2016
CSS
CSS
Issued: 31 March, 2016
JavaScript
JavaScript
Issued: 30 March, 2016
PHP
PHP
Issued: 29 March, 2016
SQL
SQL
Issued: 28 March, 2016
Python 3
Python 3
Issued: 27 March, 2016

Achievements

BTS Streak Finisher
BTS Streak Finisher
15 straight days of learning
Guru
Guru
Win 500 challenges using one weapon
Respect!
Respect!
Complete 500 challenges using one weapon
Practice Makes Perfect
Practice Makes Perfect
Win 200 challenges using one weapon
Solution Guru
Solution Guru
50 code coach solutions
Solution Ninja
Solution Ninja
10 code coach solutions
Solution Master
Solution Master
5 code coach solutions
Solver
Solver
Solve a code coach problem
Illuminator
Illuminator
Post 50 answers with at least 5 upvotes each
Question Ninja
Question Ninja
Post 10 questions with at least 5 upvotes each
Code Ninja
Code Ninja
Post 50 codes with at least 5 upvotes each
Unbeatable!
Unbeatable!
Win 10 challenges in a row using one weapon
Unstoppable
Unstoppable
Win 100 challenges using one weapon
Challenge Master
Challenge Master
5 flawless victories in a row using one weapon
Question Master
Question Master
Post 5 questions with at least 5 upvotes each
Master
Master
Win 50 challenges using one weapon
The Player
The Player
Complete 100 challenges using one weapon
On Your Way to Fame
On Your Way to Fame
Flawless victory in a challenge
Comment Master
Comment Master
Leave 5 comments in a lesson/quiz with at least 5 upvotes each
Rising Star
Rising Star
Win 5 challenges in a row using one weapon
Gaining Experience
Gaining Experience
Complete 50 challenges using one weapon
Senior Developer
Senior Developer
Get 50 upvotes on your code
Teacher
Teacher
Post 10 answers with at least 5 upvotes each
Self-Learner
Self-Learner
Answer your own question and get 5 upvotes
Great Question
Great Question
Get 10 upvotes on your question
Code Master
Code Master
Post 10 codes with at least 5 upvotes each
Developer
Developer
Get 10 upvotes on your code
Coder
Coder
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freeCodeCamp
freeCodeCamp
Connect your freeCodeCamp account from the app Settings
Just Getting Started
Just Getting Started
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Junior
Junior
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Good Question
Good Question
Get 5 upvotes on your question
Intern
Intern
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Great Answer
Great Answer
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Good Answer
Good Answer
Get 5 upvotes on your answer
Answerer
Answerer
Post an answer and get an upvote
Asker
Asker
Post a question and get an upvote
Verified Account
Verified Account
Verify your account's email address
Contributor
Contributor
Leave a comment in a lesson/quiz with 5 upvotes
Hat Trick
Hat Trick
Complete 3 courses
Course Master
Course Master
Complete 10 courses
Achiever
Achiever
Complete a course
Good Citizen
Good Citizen
Leave a comment in a lesson/quiz
Respected Citizen
Respected Citizen
Reply to a comment in a lesson/quiz and get 5 upvotes
Engaged in!
Engaged in!
Complete a lesson
Epic!
Epic!
Win 50 challenges in a row using one weapon
Top Answer
Top Answer
Get 50 upvotes on your answer
Popular Answer
Popular Answer
Get 100 upvotes on your answer
Top Question
Top Question
Get 50 upvotes on your question
Popular Question
Popular Question
Get 100 upvotes on your question
Question Guru
Question Guru
Post 50 questions with at least 5 upvotes each
Moderator
Moderator
Awarded to members who have been selected by our moderation team to help moderate community content.
Gold Moderator
Gold Moderator
Awarded to select Moderators who show expertise in moderation and are ready for the next level of responsibilities.
Quiz Reviewer
Quiz Reviewer
Exclusive badge, handed out to community members who moderate user-generated quizzes.
Gold Quiz Reviewer
Gold Quiz Reviewer
Exclusive badge, handed out to experienced Quiz Reviewers who show expertise in moderation of user-generated quizzes.
Creator
Creator
Create 10 SoloLearn-approved lessons in the Lesson Factory.
Creator Master
Creator Master
Create 50 SoloLearn-approved lessons in the Lesson Factory.
Platinum Moderator
Platinum Moderator
Awarded to experienced moderators who are ready to recruit and train new moderators and curate community content.
Quiz Creator
Quiz Creator
Create 20 SoloLearn-approved quizzes in the Quiz Factory.
Quiz Creator Master
Quiz Creator Master
Create 100 SoloLearn-approved quizzes in the Quiz Factory.
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