Hatsy Rei's Profile on SoloLearn
Hatsy Rei

Hatsy Rei

17
102361 XP

My Courses

Data Science with Python

68 XP

Angular + NestJS

0 XP

My Codes

web
Image Pixels as Divs

Last Modified: 06/23/2020 05:50:52

10

py
Python checkFloat()

Last Modified: 08/21/2019 23:53:04

17

cpp
Square Root Approximation via Babylonian Convergence

Last Modified: 08/16/2019 03:50:34

42

cpp
WhatsMyNumber #2

Last Modified: 08/01/2019 07:46:39

20

web
Hello Again, SoloLearn!

Last Modified: 07/23/2019 06:03:04

324

cpp
XML Validator

Last Modified: 03/23/2019 14:07:03

46

cpp
Boyer–Moore String Search

Last Modified: 03/13/2019 12:07:38

48

cpp
Passing Function Identifier as Parameter

Last Modified: 02/21/2019 13:58:01

17

cpp
2! + 4! + 6! + ... + 2n!

Last Modified: 02/15/2019 04:09:03

34

cpp
1! + 2! + 3! + ... + n!

Last Modified: 02/15/2019 04:01:10

17

cpp
...who am I ?

Last Modified: 02/11/2019 04:34:55

20

cpp
Kata Challenge (parseInt() reloaded)

Last Modified: 01/30/2019 10:29:22

9

cpp
Kata Challenge (Snail)

Last Modified: 01/30/2019 05:25:58

11

cpp
Kata Challenge (Binary multiple of 3)

Last Modified: 01/29/2019 13:15:08

8

cpp
Kata Challenge (The observed PIN)

Last Modified: 01/28/2019 14:08:48

11

web
あの楽器 -- Basic AnoGakki

Last Modified: 11/20/2018 14:04:59

120

swift
Bad Random

Last Modified: 10/31/2018 12:55:58

16

cpp
Dynamic Memory Allocation

Last Modified: 10/22/2018 09:34:41

44

cpp
Nested Namespaces (C++17)

Last Modified: 10/17/2018 02:33:35

47

cpp
Structured Bindings (C++17)

Last Modified: 09/16/2018 03:39:32

30

cpp
std::optional (C++17)

Last Modified: 09/11/2018 09:42:16

21

java
Michal help (Pair within LinkedList)

Last Modified: 09/09/2018 12:28:06

13

cpp
Condensing (?) Nested Loops

Last Modified: 09/06/2018 11:51:29

31

cpp
C++ BigInt Factorial

Last Modified: 08/30/2018 10:52:43

28

java
ObjectSizeCalculator

Last Modified: 08/23/2018 03:27:35

12

cpp
Tuple Sum

Last Modified: 08/20/2018 15:12:21

13

cpp
Binet's Formula

Last Modified: 08/18/2018 14:23:13

33

py
Index of nth Element in List

Last Modified: 07/25/2018 07:57:36

11

web
Chat Interface Prototype

Last Modified: 07/12/2018 03:11:29

43

web
Man's Not Hot Soundboard

Last Modified: 07/07/2018 14:36:28

141

web
Discord Gold Coin

Last Modified: 06/30/2018 15:42:58

67

cpp
bitSwap()

Last Modified: 06/26/2018 10:38:41

16

cpp
Pure Retardation

Last Modified: 06/26/2018 09:03:03

32

web
PolyPicture

Last Modified: 06/24/2018 11:50:45

73

web
Ball Project

Last Modified: 06/23/2018 14:06:38

63

web
Code Help (Zeppelin Fogarty)

Last Modified: 06/22/2018 01:37:16

19

cpp
Unsigned Comparison

Last Modified: 06/15/2018 15:39:26

11

cpp
Compile-time Pseudo-random Digit

Last Modified: 06/11/2018 17:11:38

11

cpp
std::initializer_list

Last Modified: 06/10/2018 10:10:37

10

cpp
Reversible State Object

Last Modified: 06/07/2018 01:39:26

14

cpp
Sorting Integer Digits

Last Modified: 06/03/2018 08:52:34

16

cpp
I-Ching Divination Calculator

Last Modified: 06/02/2018 04:28:44

11

cpp
std::random_shuffle

Last Modified: 05/30/2018 08:58:16

14

cpp
Genetic Algorithm (Task Assignment Problem)

Last Modified: 05/22/2018 16:59:31

20

web
Colours

Last Modified: 05/15/2018 16:36:56

34

cpp
Sample to_string()

Last Modified: 05/10/2018 14:23:13

30

cpp
Sample Graph Traversal (List version)

Last Modified: 04/30/2018 17:06:11

12

cpp
Sample Graph Traversal (Matrix version)

Last Modified: 04/22/2018 04:45:48

12

cpp
C++ BigInt for Fibonacci Sequence

Last Modified: 04/18/2018 06:27:11

29

py
Balanced Parenthesis

Last Modified: 04/09/2018 14:39:27

98

cpp
Unit Separator

Last Modified: 03/20/2018 17:28:00

19

cpp
std::to_string

Last Modified: 03/20/2018 15:01:55

14

cpp
Add in ! and ??

Last Modified: 03/17/2018 05:24:16

31

cpp
Overloading Prefix and Postfix Ops

Last Modified: 03/16/2018 03:06:32

40

cpp
Regex in C++ for SL ?

Last Modified: 03/15/2018 23:34:00

24

java
Radix Sort O(n) Variation

Last Modified: 03/10/2018 06:07:02

19

java
Radix Sort

Last Modified: 03/01/2018 17:34:28

12

cpp
Anagram Checker

Last Modified: 02/24/2018 15:28:13

37

cpp
reinterpret_cast

Last Modified: 02/24/2018 09:54:58

16

cpp
Selection Sort

Last Modified: 02/23/2018 07:29:38

16

cpp
Balanced Parenthesis

Last Modified: 02/18/2018 01:18:01

34

java
Challenge: Remove Spaces

Last Modified: 02/14/2018 14:36:32

122

cpp
Palindrome Checker (Stack && Queue)

Last Modified: 02/05/2018 17:05:43

19

java
Vowel Counter

Last Modified: 02/05/2018 02:44:39

27

cpp
Pattern with Alphabets

Last Modified: 02/05/2018 01:25:28

20

cpp
Text Count

Last Modified: 02/04/2018 12:53:33

12

cpp
Arbitrary-length Chaining

Last Modified: 02/04/2018 01:37:43

10

java
Kata Challenge (least_p()) 3

Last Modified: 01/23/2018 15:07:01

12

cpp
Singlify

Last Modified: 01/23/2018 10:17:06

27

cpp
Kata Challenge (altcase())

Last Modified: 01/23/2018 10:13:10

21

cpp
Kata Challenge (swapcase())

Last Modified: 01/23/2018 10:08:51

20

cpp
Kata Challenge (least_p()) 2

Last Modified: 01/23/2018 05:19:02

8

cpp
Kata Challenge (Run Length Encoding)

Last Modified: 01/21/2018 23:54:57

22

cpp
Kata Challenge (least_p())

Last Modified: 01/21/2018 11:59:51

23

cpp
Simpler 8-word Password Generator

Last Modified: 01/20/2018 06:18:49

34

cpp
Kata Challenge (Strings Stuff) 4

Last Modified: 01/12/2018 16:36:01

9

cpp
Kata Challenge (Strings Stuff) 3

Last Modified: 01/12/2018 06:21:53

12

cpp
Kata Challenge (Strings Stuff) 2

Last Modified: 01/12/2018 05:31:22

13

cpp
Kata Challenge (Strings Stuff)

Last Modified: 01/10/2018 04:32:35

9

cpp
Variadic Templates (C++11)

Last Modified: 01/02/2018 10:56:21

27

cpp
Counting parameters w/ Variadic Templates

Last Modified: 01/02/2018 10:50:13

14

cpp
Passing Array of Objects to Function

Last Modified: 01/02/2018 05:14:07

11

java
Another Number Pattern

Last Modified: 12/31/2017 13:58:12

14

cpp
Pattern Challenge (Danifdez79)

Last Modified: 12/31/2017 13:47:23

20

cpp
Integers, Roots and Division

Last Modified: 12/28/2017 10:45:59

14

cpp
Pattern Challenge 2 (Danifdez79)

Last Modified: 12/27/2017 10:43:44

11

cpp
Word Reverser!

Last Modified: 11/09/2017 00:32:21

40

cpp
RNG Sampling

Last Modified: 10/10/2017 14:51:58

23

cpp
Graphing (y = mx + c)

Last Modified: 10/08/2017 15:23:03

347

java
Kata Challenge (IP Validation)

Last Modified: 10/04/2017 08:50:01

20

cpp
Random Pattern Generator

Last Modified: 09/28/2017 17:43:29

64

java
Sum of the First N Squares

Last Modified: 09/23/2017 00:15:44

28

cpp
Crappy Sentence Generator

Last Modified: 09/12/2017 23:33:07

467

cpp
Glyphs?

Last Modified: 09/09/2017 15:54:33

55

cpp
A Warm Void

Last Modified: 09/06/2017 17:09:09

48

cpp
Kata Challenge (hello_world())

Last Modified: 09/05/2017 16:36:55

121

cpp
Kata Challenge (palindromic())

Last Modified: 09/02/2017 15:06:09

21

cpp
Yet Another Prime Checker

Last Modified: 08/30/2017 09:56:48

151

java
Fibonacci Sequence

Last Modified: 08/22/2017 10:32:10

33

java
Loop Pattern Challenge

Last Modified: 08/19/2017 12:06:23

22

java
Hello Java

Last Modified: 08/18/2017 16:03:47

25

cpp
sqrt(n) Convergence Limit

Last Modified: 08/11/2017 04:29:45

15

cpp
Binary Tree (All path)

Last Modified: 08/10/2017 04:52:57

13

cpp
Numbers (Pending)

Last Modified: 08/08/2017 15:33:00

20

cpp
Kata Challenge (rotation()) - [REVISED]

Last Modified: 08/06/2017 03:52:47

52

cpp
Kata Challenge (McNuggets())

Last Modified: 08/03/2017 15:51:37

16

cpp
Kata Challenge (rotation())

Last Modified: 08/03/2017 14:16:25

12

cpp
scrabble()

Last Modified: 08/03/2017 08:01:25

14

cpp
Lemon_Water Test

Last Modified: 08/01/2017 16:29:12

17

cpp
Hatsune Miku - "39"

Last Modified: 07/31/2017 17:15:06

82

cpp
String to integer

Last Modified: 07/29/2017 11:59:11

34

cpp
Kata Challenge (merge())

Last Modified: 07/28/2017 15:55:30

14

cpp
Robin Round CPU-Scheduling Algorithm

Last Modified: 07/27/2017 12:03:44

13

cpp
Random Maze Generator

Last Modified: 07/24/2017 10:57:19

50

cpp
Multiple main() in a program?

Last Modified: 07/11/2017 14:47:25

30

cpp
Ace Code Challenge - Stack #2

Last Modified: 07/09/2017 12:01:30

15

cpp
Ace's Flag Challenge : Malaysia

Last Modified: 07/08/2017 08:27:48

73

cpp
Basic HTML Interpreter

Last Modified: 07/06/2017 14:41:44

32

cpp
User-Defined RNG #2

Last Modified: 07/02/2017 09:43:24

14

cpp
User-defined RNG

Last Modified: 07/02/2017 05:50:26

25

cpp
Ace Code Challenge - Stack

Last Modified: 06/30/2017 09:18:42

21

cpp
Simple Digit Counter

Last Modified: 06/29/2017 04:44:25

25

cpp
Word Search!

Last Modified: 06/26/2017 06:43:24

59

cpp
Cryptography (Random Encryption Key)

Last Modified: 06/25/2017 04:46:16

18

cpp
Matrix Cryptography

Last Modified: 06/18/2017 08:16:16

23

cpp
Kata Challenge (filter())

Last Modified: 06/16/2017 14:48:57

23

cpp
C++ Built-in Stacks

Last Modified: 06/08/2017 09:31:12

16

cpp
Infinite File Spawner

Last Modified: 06/07/2017 12:49:08

42

cpp
Printing "/6/6/6"

Last Modified: 06/07/2017 06:38:53

21

cpp
Solving SSS Triangles (Coord' ver)

Last Modified: 06/05/2017 04:17:10

21

cpp
Solving SSS Triangles

Last Modified: 06/03/2017 09:14:06

25

cpp
4 Term Summation Expression

Last Modified: 06/01/2017 20:14:04

20

cpp
⭐ ♥ ☁

Last Modified: 05/26/2017 15:53:11

73

cpp
Sum of N Consecutive Numbers

Last Modified: 05/23/2017 04:41:36

14

cpp
Recursive main()

Last Modified: 05/23/2017 02:53:22

26

cpp
Stringify!

Last Modified: 05/16/2017 18:47:31

17

cpp
Password Validation

Last Modified: 05/16/2017 17:51:40

18

cpp
Kata Challenge (isAlt())

Last Modified: 05/11/2017 00:29:24

21

cpp
Ace Quiz #3

Last Modified: 04/30/2017 03:46:58

36

cpp
Agus Mei Quiz (XX)

Last Modified: 04/28/2017 09:10:47

35

cpp
Agus Mei (Quiz XIX) Solver

Last Modified: 04/27/2017 02:31:18

29

cpp
Obfuscated Cookies!

Last Modified: 04/25/2017 08:34:18

40

cpp
Rei's Russian Roulette (RRR!) ++

Last Modified: 04/23/2017 08:56:31

266

cpp
Number of Zeros!

Last Modified: 04/14/2017 14:51:20

27

cpp
Simultaneous Equations Solver

Last Modified: 04/07/2017 13:40:03

24

cpp
Underdog 6-digit Generator

Last Modified: 04/07/2017 02:49:54

22

cpp
Loop Benchmarks

Last Modified: 03/21/2017 14:16:07

33

cpp
Rei's Russian Roulette (RRR!)

Last Modified: 03/20/2017 15:13:43

32

cpp
Rei's Slot Machine

Last Modified: 03/19/2017 09:37:39

39

cpp
Source Code Editor

Last Modified: 03/19/2017 06:27:04

40

cpp
Multi-dimensional Pattern Print

Last Modified: 03/19/2017 01:02:47

31

cpp
Playing with Endless Recursion

Last Modified: 03/18/2017 15:50:23

34

cpp
Magic 8-Ball !

Last Modified: 03/18/2017 14:48:41

49

cpp
Random Human Simulator

Last Modified: 03/18/2017 14:44:03

36

cpp
Simple BMI Calculator ++

Last Modified: 03/18/2017 12:17:33

28

cpp
Simple BMI Calculator

Last Modified: 03/18/2017 08:52:09

28

cpp
Unnecessarily Complex Algorithm.

Last Modified: 03/17/2017 07:41:42

46

cpp
Planet Ecosystem Generator

Last Modified: 03/17/2017 04:29:17

42

cpp
Hello Pyramid

Last Modified: 03/13/2017 07:39:40

38

cpp
BruteForce Stringsplay

Last Modified: 03/07/2017 12:38:30

21

cpp
Random Quotes

Last Modified: 03/07/2017 04:56:07

72

cpp
SoloLearn ASCII List

Last Modified: 03/06/2017 23:41:31

54

cpp
String Loop Iteration

Last Modified: 03/06/2017 16:18:57

26

cpp
Floating Point Loop Iteration

Last Modified: 03/06/2017 16:14:24

21

cpp
Static Maze Layout

Last Modified: 03/06/2017 15:50:26

27

cpp
Shinkukan CPU Chip Layout (Fleming Valve A1)

Last Modified: 03/06/2017 15:24:56

20

cpp
#define your own destiny :P

Last Modified: 03/05/2017 16:28:34

32

cpp
Senpai Co-op VS Giant Cookie!

Last Modified: 02/19/2017 02:02:26

49

cpp
Statistics 101 :D

Last Modified: 02/18/2017 14:47:27

30

cpp
Matrix Multiplication

Last Modified: 02/18/2017 14:40:56

21

cpp
y = mx + c

Last Modified: 02/18/2017 06:55:43

25

cpp
Random Math Q/A

Last Modified: 02/18/2017 05:40:04

20

cpp
Random Math Q/A ++

Last Modified: 02/18/2017 05:38:04

24

cpp
Max Frequency Elements in Array

Last Modified: 02/12/2017 05:33:31

18

cpp
Credit Card Validity Identifier

Last Modified: 02/10/2017 15:40:42

38

cpp
Hatsune Miku (初音ミク) Text Art

Last Modified: 02/10/2017 15:39:46

33

cpp
String Editor

Last Modified: 02/09/2017 07:35:04

17

cpp
Crappy String Vowel Counter

Last Modified: 02/09/2017 06:42:13

26

cpp
Fuzzy String Inverter

Last Modified: 02/09/2017 05:33:42

21

cpp
String Encrypter/Decrypter

Last Modified: 02/07/2017 12:05:00

29

cpp
Hatsy Rei Lottery Game

Last Modified: 01/30/2017 07:45:44

30

cpp
The Secret Treasure... Deciphered!

Last Modified: 01/13/2017 07:43:07

38

cpp
Cheeze's Tribute Code!

Last Modified: 01/10/2017 07:25:52

36

cpp
Zodiac Info-Center!

Last Modified: 01/10/2017 03:17:41

26

cpp
ValentinHacker Tribute Code!

Last Modified: 01/10/2017 03:02:13

33

cpp
String : lowercase to uppercase conversion

Last Modified: 12/28/2016 12:15:53

30

cpp
Project Tremulous

Last Modified: 12/25/2016 05:18:47

26

cpp
Integer Array Sorting (ascending)

Last Modified: 12/25/2016 04:31:03

24

cpp
Algorithm test

Last Modified: 12/25/2016 04:23:15

30

cpp
Merry Christmas and A Happy New Year!

Last Modified: 12/25/2016 04:22:00

46

cpp
Char Array to String

Last Modified: 12/20/2016 10:31:12

28

My Certificates

No certificates available.

Achievements

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

Send us a message