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026 kyuejini战神

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6 kyu

Levenshtein Distance

1,013petermaier1

Strings

Algorithms

5 kyu

Longest Common Subsequence

6,729xDranik13 Issues Reported

Strings

Algorithms

6 kyu

Length of the longest sequence of consecutive integers

80SergiuB

Arrays

Algorithms

6 kyu

Length of longest subsequence of same incrementing values

198Elyx01 Issue Reported

Algorithms

6 kyu

What's Your Poison?

1,121Tandyman2 Issues Reported

Puzzles

Riddles

Algorithms

Bits

Fundamentals

5 kyu

Make a Palindrome

504constablebrew3 Issues Reported

Algorithms

Retired

Trapping Rain Water (retired)

73myjinxin2015

Algorithms

Logic

Puzzles

Games

5 kyu

City Swim - 2D (TowerFlood And PlainFlood)

284MikeAlexMartinez

Puzzles

Mathematics

Algorithms

6 kyu

Simple Fun #396: Find the Longest Substring Consisting of Unique Characters

572myjinxin2015

Algorithms

Strings

Fundamentals

6 kyu

Frog jumping

2,831alex.budiakov1 Issue Reported

Fundamentals

Arrays

Algorithms

7 kyu

Bubble Sort

869PrivateShorty

Sorting

Arrays

Fundamentals

Algorithms

6 kyu

Simple Fun #332: Catch Thief

213myjinxin2015

Fundamentals

6 kyu

longest_palindrome

10,766kgashok4 Issues Reported

Fundamentals

7 kyu

Single character palindromes II

760KenKamau

Algorithms

Retired

Numerical Palindrome #5 (retired)

1,001kkavita923 Issues Reported

Fundamentals

6 kyu

Palindrome Builder

191wontonst1 Issue Reported

Algorithms

4 kyu

Longest Palindromic Substring (Linear)

689wyatt002 Issues Reported

Performance

Algorithms

Puzzles

5 kyu

The maximum sum value of ranges -- Challenge version

739myjinxin2015

Algorithms

5 kyu

The maximum and minimum difference -- Challenge version

425myjinxin2015

Algorithms

5 kyu

Maximum subarray sum

79,318knotman903 Issues Reported

Algorithms

Lists

Dynamic Programming

Fundamentals

Performance

6 kyu

Scheduling (Shortest Job First or SJF)

1,043talamb1 Issue Reported

Scheduling

Queues

Algorithms

6 kyu

Scheduling (Round-Robin)

605talamb

Algorithms

Draft

Binary Search

214sanctusraphael1 Issue Reported

Status:Draft

Estimated Rank:
5 kyu

6 kyu

Casino chips

2,505KenKamau2 Issues Reported

Mathematics

Fundamentals

7 kyu

Queue time counter

1,490GiacomoSorbi1 Issue Reported

Queues

Lists

Algorithms

5 kyu

count '9's from 1 to n

1,100ransy

Puzzles

Algorithms

Mathematics

5 kyu

The Clockwise Spiral

3,848alex.budiakov

Arrays

Puzzles

3 kyu

Make a spiral

14,573Bugari1 Issue Reported

Algorithms

Arrays

Logic

3 kyu

Last digit of a huge number

7,641Bodigrim3 Issues Reported

Algorithms

Mathematics

3 kyu

Alphabetic Anagrams

6,189Azuaron2 Issues Reported

Mathematics

Logic

Strings

Algorithms

7 kyu

Max sum between two negatives

1,735Palkin_Fedor

Algorithms

6 kyu

Longest Consecutive Sequence of Squares

212kodejuice

Mathematics

Algorithms

6 kyu

Find the integer sequences

417myjinxin20151 Issue Reported

Mathematics

Algorithms

6 kyu

T.T.T.#6: nth user

187myjinxin2015

Puzzles

Games

6 kyu

Guess the number!

1,241Mackay

Puzzles

6 kyu

Guess the secret integer (binary search)

307Scopula2 Issues Reported

Algorithms

6 kyu

String subpattern recognition II

388GiacomoSorbi2 Issues Reported

Strings

Regular Expressions

Fundamentals

6 kyu

Bad Apples

347Thoreact1 Issue Reported

Arrays

Algorithms

4 kyu

Longest Common Subsequence (Performance version)

2,395JohanWiltink

Performance

Strings

Dynamic Programming

Memoization

Algorithms

6 kyu

Simple Fun #140: Circle Slash

363myjinxin2015

Puzzles

6 kyu

Repeated Substring

1,940opportunity3562 Issues Reported

Algorithms

6 kyu

Follow that Spy

2,066adromil1 Issue Reported

Algorithms

6 kyu

How many pages in a book?

4,621alexbur2 Issues Reported

Puzzles

Algorithms

5 kyu

Paginating a huge book

1,790hexafraction

Performance

Refactoring

6 kyu

Will it balance?

153marbiru

Fundamentals

6 kyu

Last digit of the squared sum of Fibonacci numbers

94yuanx7491 Issue Reported

Mathematics

6 kyu

Search The 0 Sums Combinations in an Array

315raulbc7774 Issues Reported

Fundamentals

Data Structures

Algorithms

Mathematics

Logic

6 kyu

Parse bank account number

1,200arhigod

Strings

Puzzles

5 kyu

1's, 0's and wildcards

1,635Tefferson

Combinatorics

Strings

Permutations

Puzzles

6 kyu

Simple Fun #70: Avoid Obstacles

263myjinxin2015

Puzzles

4 kyu

The observed PIN

36,735BattleRattle4 Issues Reported

Algorithms

5 kyu

Land perimeter

4,819St3f4n

Fundamentals

6 kyu

Is Divisible By 6 Mk II

263GiacomoSorbi

Permutations

Strings

Combinatorics

Number Theory

Fundamentals

6 kyu

Seven Segment Display

210TehMac

Fundamentals

Strings

6 kyu

Two Sum

81,396wthit5612 Issues Reported

Arrays

Fundamentals

Algorithms

5 kyu

MergeSort "merge" function

2,637bkimmel5 Issues Reported

Fundamentals

4 kyu

So Many Permutations!

47,230BattleRattle2 Issues Reported

Permutations

Strings

Algorithms

4 kyu

Next smaller number with the same digits

11,106LesRamer1 Issue Reported

Strings

Mathematics

Algorithms

4 kyu

Next bigger number with the same digits

37,268GiacomoSorbi5 Issues Reported

Strings

Refactoring

4 kyu

All Balanced Parentheses

6,171xcthulhu2 Issues Reported

Algorithms

6 kyu

N smallest elements in original order (performance edition)

268FArekkusu

Algorithms

Arrays

Performance

6 kyu

Simple reversed parenthesis

1,139KenKamau1 Issue Reported

Fundamentals

5 kyu

Pick peaks

28,299frenetic_be2 Issues Reported

Arrays

Algorithms

6 kyu

Versions manager

1,658bedis-elacheche

Algorithms

Arrays

Strings

Object-oriented Programming

Beta

Permute Capitalizations!

33kkwoker2 Issues Reported

Status:Testing & feedback needed

Algorithms

Collection

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Status:Draft

Estimated Rank:5 kyu

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Estimated Rank:
5 kyu