Hiroki Masuda's Profile on SoloLearn

# Hiroki Masuda

11
7744 XP

1885 XP

484 XP

444 XP

364 XP

285 XP

266 XP

183 XP

141 XP

## My Codes

word in word

Integers concstenate2

Integers concatenate

truncatable primes

custom randomizer

square root

arrange words with number

narcissistic number

Alphabetical Balance Scale

sum of even/odd digits

Multiply two numbers like on paper

fibonacci

word count

rearange string

fibonacci numbers

Finger Counting

longest substring between two vowles

palindromes

palindromes

alternating order

number squeezer 2

number squeezer

staircase number 3

staircase number 2

staircase number

LARGEST NUMBER WITH ONE SWAP

drawing a star with recursive call

Find the first 20 triangle numbers

permutation of digits

Factorize factorial numbers as product of prime numbers

(not) parsing rational number

Where's the number

rearranging the digit

pylamidal number stacking

erdoes number

grid walk

sum of sub-numbers

LED clock brightness 2

LED clock brightness

permutative subsets

digital root

decimal converter

grid walking

leyland number

remove duplicated words

Number division(simple)

Number division

disarium number

Next largest permutation 2

Next largest permutation

numeric of number

find sum of string value

reverse integer

putting commas

binary search

odven number

print all pair of prime numbers

find a longest word

create a triangle

removal of prime digits

validation challenge 255.255.255.0

Total number of prime factors

007 challenge (encrypt/decrypt)

weird challenge

challenge sequence 1,3,7...

multiple of 1..n challenge

lychrel number with base

lychrel number

sort string

split

test 20170927

Histogram(-like) formatter

prime list without mod(%)

prime number list

test class varialbe by Fibonacci

## My Certificates

Swift 4 Fundamentals
Issued: 20 December, 2017
HTML Fundamentals
Issued: 25 October, 2017
Java Tutorial
Issued: 17 October, 2017
SQL Fundamentals
Issued: 04 October, 2017
C++ Tutorial
Issued: 25 September, 2017
Python 3 Tutorial
Issued: 27 March, 2017
Ruby Tutorial
Issued: 29 January, 2017

## Achievements

Teacher
Code Master
Post 10 codes with at least 5 upvotes each
The Player
Complete 100 challenges using one weapon
Coder
Post 5 codes with at least 5 upvotes each
Rising Star
Win 5 challenges in a row using one weapon
Gaining Experience
Complete 50 challenges using one weapon
Junior
Challenge Master
5 flawless victories in a row using one weapon
Post an answer and get an upvote
Flawless victory in a challenge
Just Getting Started
Win a challenge
Hat Trick
Complete 3 courses
Intern
Post a code and get an upvote
Achiever
Complete a course
Engaged in!
Complete a lesson
Verified Account
Moderator
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Gold Moderator
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Quiz Reviewer
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Gold Quiz Reviewer
Exclusive badge, handed out to experienced Quiz Reviewers who show expertise in moderation of user-generated quizzes.
Creator
Create 10 SoloLearn-approved lessons in the Lesson Factory.
Creator Master
Create 50 SoloLearn-approved lessons in the Lesson Factory.
Platinum Moderator
Awarded to experienced moderators who are ready to recruit and train new moderators and curate community content.
Solution Master
5 code coach solutions
Solution Ninja
10 code coach solutions
Solution Guru
50 code coach solutions
Solver
Solve a code coach problem
BTS Streak Finisher
15 straight days of learning
Code Ninja
Post 50 codes with at least 5 upvotes each
Quiz Creator
Create 20 SoloLearn-approved quizzes in the Quiz Factory.
Quiz Creator Master
Create 100 SoloLearn-approved quizzes in the Quiz Factory.
Unbeatable!
Win 10 challenges in a row using one weapon
Epic!
Win 50 challenges in a row using one weapon
Developer
Senior Developer
Illuminator
Self-Learner
Contributor
Comment Master
Leave 5 comments in a lesson/quiz with at least 5 upvotes each
Good Citizen
Respected Citizen
Course Master
Complete 10 courses
Master
Win 50 challenges using one weapon
Unstoppable
Win 100 challenges using one weapon
Practice Makes Perfect
Win 200 challenges using one weapon
Guru
Win 500 challenges using one weapon
Respect!
Complete 500 challenges using one weapon
Post a question and get an upvote
Good Question