| Title | Difficulty | Topics | Submitted By | Times Solved | Solved? |
|---|---|---|---|---|---|
| Nothing but the Truth | Elementary | 174 | ![]() | ||
| Simple Math | Elementary | 179 | ![]() | ||
| Strings | Elementary | 169 | ![]() | ||
| Lists | Elementary | 167 | ![]() | ||
| conj on lists | Elementary | 163 | ![]() | ||
| Vectors | Elementary | 160 | ![]() | ||
| conj on vectors | Elementary | 165 | ![]() | ||
| Sets | Elementary | 156 | ![]() | ||
| conj on sets | Elementary | 161 | ![]() | ||
| Maps | Elementary | 158 | ![]() | ||
| conj on maps | Elementary | 158 | ![]() | ||
| Sequences | Elementary | 157 | ![]() | ||
| rest | Elementary | 160 | ![]() | ||
| Functions | Elementary | 158 | ![]() | ||
| Double Down | Elementary | 157 | ![]() | ||
| Hello World | Elementary | 146 | ![]() | ||
| map | Elementary | 152 | ![]() | ||
| filter | Elementary | 150 | ![]() | ||
| Last Element | Easy | seqs core-functions | 142 | ![]() | |
| Penultimate Element | Easy | seqs | 135 | ![]() | |
| Nth Element | Easy | seqs core-functions | 123 | ![]() | |
| Count a Sequence | Easy | seqs core-functions | 118 | ![]() | |
| Reverse a Sequence | Easy | seqs core-functions | 122 | ![]() | |
| Sum It All Up | Easy | seqs | 133 | ![]() | |
| Find the odd numbers | Easy | seqs | 128 | ![]() | |
| Fibonacci Sequence | Easy | fibonacci seqs | 101 | ![]() | |
| Palindrome Detector | Easy | seqs | 120 | ![]() | |
| Flatten a Sequence | Easy | seqs core-functions | 95 | ![]() | |
| Get the Caps | Easy | strings | 115 | ![]() | |
| Compress a Sequence | Easy | seqs | 109 | ![]() | |
| Pack a Sequence | Easy | seqs | 108 | ![]() | |
| Duplicate a Sequence | Easy | seqs | 111 | ![]() | |
| Replicate a Sequence | Easy | seqs | 110 | ![]() | |
| Implement range | Easy | seqs core-functions | 100 | ![]() | |
| Local bindings | Elementary | syntax | 144 | ![]() | |
| Let it Be | Elementary | math syntax | 145 | ![]() | |
| Regular Expressions | Elementary | regex syntax | 136 | ![]() | |
| Maximum value | Easy | core-functions | 105 | ![]() | |
| Interleave Two Seqs | Easy | seqs core-functions | 99 | ![]() | |
| Interpose a Seq | Easy | seqs core-functions | 102 | ![]() | |
| Drop Every Nth Item | Easy | seqs | 102 | ![]() | |
| Factorial Fun | Easy | math | 116 | ![]() | |
| Reverse Interleave | Medium | seqs | 74 | ![]() | |
| Rotate Sequence | Medium | seqs | 64 | ![]() | |
| Intro to Iterate | Easy | seqs | 123 | ![]() | |
| Flipping out | Medium | higher-order-functions | 84 | ![]() | |
| Contain Yourself | Easy | 120 | ![]() | ||
| Intro to some | Easy | 126 | ![]() | ||
| Split a sequence | Easy | seqs core-functions | 107 | ![]() | |
| Split by Type | Medium | seqs | 77 | ![]() | |
| Advanced Destructuring | Easy | destructuring | 109 | ![]() | |
| Intro to Destructuring | Elementary | destructuring | 129 | ![]() | |
| Longest Increasing Sub-Seq | Hard | seqs | 40 | ![]() | |
| Partition a Sequence | Medium | seqs core-functions | 61 | ![]() | |
| Count Occurences | Medium | seqs core-functions | 60 | ![]() | |
| Find Distinct Items | Medium | seqs core-functions | 56 | ![]() | |
| Simple Recursion | Elementary | recursion | 130 | ![]() | |
| Function Composition | Medium | higher-order-functions core-functions | 41 | ![]() | |
| Juxtaposition | Medium | higher-order-functions core-functions | 50 | ![]() | |
| Sequence Reductions | Medium | seqs core-functions | 37 | ![]() | |
| Map Construction | Easy | core-functions | 92 | ![]() | |
| Re-implement Iteration | Easy | seqs core-functions | 74 | ![]() | |
| Group a Sequence | Easy | core-functions | 65 | ![]() | |
| Intro to Reduce | Elementary | seqs | 133 | ![]() | |
| Black Box Testing | Medium | seqs testing | 35 | ![]() | |
| Greatest Common Divisor | Easy | 88 | ![]() | ||
| Prime Numbers | Medium | primes | 59 | ![]() | |
| Recurring Theme | Elementary | recursion | 119 | ![]() | |
| Merge with a Function | Medium | core-functions | 35 | ![]() | |
| Word Sorting | Medium | sorting | 57 | ![]() | |
| Rearranging Code: -> | Elementary | 120 | ![]() | ||
| Rearranging Code: ->> | Elementary | 118 | ![]() | ||
| Analyze a Tic-Tac-Toe Board | Hard | game | 34 | ![]() | |
| Filter Perfect Squares | Medium | 53 | ![]() | ||
| Euler's Totient Function | Medium | 40 | ![]() | ||
| Intro to Trampoline | Medium | recursion | 49 | ![]() | |
| Anagram Finder | Medium | 46 | ![]() | ||
| Reimplement Trampoline | Medium | core-functions | 30 | ![]() | |
| Triangle Minimal Path | Hard | graph-theory | 23 | ![]() | |
| Perfect Numbers | Medium | 50 | ![]() | ||
| Set Intersection | Easy | set-theory | 87 | ![]() | |
| Word Chains | Hard | seqs | 16 | ![]() | |
| A Half-Truth | Easy | 87 | ![]() | ||
| Transitive Closure | Hard | set-theory | 19 | ![]() | |
| Power Set | Medium | set-theory | 27 | ![]() | |
| Happy numbers | Medium | math | 42 | ![]() | |
| Create an Equation | 0 | ![]() | |||
| Symmetric Difference | Easy | set-theory | 73 | ![]() | |
| Graph Tour | Hard | graph-theory | 13 | ![]() | |
| Cartesian Product | Easy | set-theory | 78 | ![]() | |
| Graph Connectivity | Hard | graph-theory | 15 | ![]() | |
| Read Roman numerals | Hard | strings math | 22 | ![]() | |
| Partially Flatten a Sequence | Medium | seqs | 24 | ![]() | |
| Game of Life | Hard | game | 5 | ![]() | |
| To Tree, or not to Tree | Easy | trees | 41 | ![]() | |
| Beauty is Symmetry | Easy | trees | 29 | ![]() | |
| Pascal's Triangle | Easy | 50 | ![]() | ||
| Equivalence Classes | Medium | 39 | ![]() | ||
| Product Digits | Easy | math seqs | 72 | ![]() | |
| Least Common Multiple | Easy | math | 49 | ![]() | |
| Levenshtein Distance | Hard | seqs | 8 | ![]() | |
| intoCamelCase | Medium | strings | 42 | ![]() | |
| Generating k-combinations | Medium | seqs combinatorics | 0 | ![]() | |
| Write Roman Numerals | Medium | strings math | 30 | ![]() | |
| Identify keys and values | Medium | maps seqs | 22 | ![]() | |
| Number Maze | Hard | numbers | 3 | ![]() | |
| Simple closures | Easy | higher-order-functions math | 63 | ![]() | |
| Lazy Searching | Medium | seqs sorting | 20 | ![]() | |
| Sequence of pronunciations | Medium | seqs | 27 | ![]() | |
| Crossword puzzle | Hard | game | 11 | ![]() | |
| Sequs Horribilis | Medium | seqs | 11 | ![]() | |
| Global take-while | Medium | seqs higher-order-functions | 22 | ![]() | |
| The Balance of N | Medium | math | 38 | ![]() | |
| Prime Sandwich | Medium | math | 22 | ![]() | |
| For Science! | Hard | game | 6 | ![]() | |
| Re-implement Map | Easy | core-seqs | 45 | ![]() | |
| Win at Tic-Tac-Toe | Hard | game | 6 | ![]() | |
| Sum of square of digits | Easy | math | 49 | ![]() | |
| Universal Computation Engine | Medium | functions | 13 | ![]() | |
| Read a binary number | Easy | 58 | ![]() | ||
| Analyze Reversi | Hard | game | 4 | ![]() | |
| Gus' Quinundrum | Hard | logic fun brain-teaser | 11 | ![]() | |
| Through the Looking Class | Easy | fun brain-teaser | 70 | ![]() | |
| Love Triangle | Hard | search data-juggling | 1 | ![]() | |
| Recognize Playing Cards | Easy | strings game | 36 | ![]() | |
| Sum Some Set Subsets | Medium | math | 14 | ![]() | |
| Intervals | Medium | seqs core-functions | 7 | ![]() | |
| A nil key | Elementary | maps | 103 | ![]() | |
| Infix Calculator | Easy | higher-order-functions math | 53 | ![]() | |
| Digits and bases | Medium | math | 30 | ![]() | |
| Veitch, Please! | Hard | math circuit-design | 2 | ![]() | |
| Tricky card games | Medium | game cards | 12 | ![]() | |
| dot product | Easy | seqs math | 83 | ![]() | |
| Oscilrate | Medium | sequences | 21 | ![]() | |
| For the win | Elementary | core-functions seqs | 110 | ![]() | |
| Trees into tables | Easy | seqs maps | 29 | ![]() | |
| Pascal's Trapezoid | Easy | seqs | 40 | ![]() | |
| The Big Divide | Medium | math | 26 | ![]() | |
| Palindromic Numbers | Medium | seqs math | 13 | ![]() | |
| Pairwise Disjoint Sets | Easy | set-theory | 27 | ![]() | |
| Map Defaults | Elementary | seqs | 95 | ![]() | |
| Indexing Sequences | Easy | seqs | 81 | ![]() | |
| Decurry | Medium | partial-functions | 26 | ![]() | |
| Subset and Superset | Elementary | set-theory | 111 | ![]() | |
| Logical falsity and truth | Elementary | logic | 125 | ![]() | |
| Comparisons | Easy | 70 | ![]() | ||
| Infinite Matrix | Medium | seqs recursion math | 15 | ![]() | |
| Intervals | Medium | 18 | ![]() | ||
| Intro to Destructuring 2 | Easy | destructuring | 67 | ![]() | |
| Balancing Brackets | Medium | parsing | 12 | ![]() | |
| Parentheses... Again | Medium | math combinatorics | 3 | ![]() | |
| equality-0 | Basic | equality | 217 | ![]() | |
| equality-1 | Basic | equality | 206 | ![]() | |
| equality-2 | Basic | equality | 201 | ![]() | |
| equality-3 | Basic | equality | 186 | ![]() | |
| equality-4 | Basic | equality | 189 | ![]() | |
| equality-5 | Basic | equality | 169 | ![]() | |
| equality-6 | Basic | equality | 175 | ![]() | |
| equality-7 | Basic | equality | 164 | ![]() | |
| equality-8 | Basic | equality | 166 | ![]() | |
| lists-0 | Basic | lists | 167 | ![]() | |
| lists-1 | Basic | lists | 175 | ![]() | |
| lists-2 | Basic | lists | 160 | ![]() | |
| lists-3 | Basic | lists | 169 | ![]() | |
| lists-4 | Basic | lists | 163 | ![]() | |
| lists-5 | Basic | lists | 157 | ![]() | |
| lists-6 | Basic | lists | 154 | ![]() | |
| lists-7 | Basic | lists | 152 | ![]() | |
| lists-8 | Basic | lists | 150 | ![]() | |
| lists-9 | Basic | lists | 143 | ![]() | |
| vectors-0 | Basic | vectors | 152 | ![]() | |
| vectors-1 | Basic | vectors | 149 | ![]() | |
| vectors-2 | Basic | vectors | 145 | ![]() | |
| vectors-3 | Basic | vectors | 144 | ![]() | |
| vectors-4 | Basic | vectors | 138 | ![]() | |
| vectors-5 | Basic | vectors | 141 | ![]() | |
| vectors-6 | Basic | vectors | 145 | ![]() | |
| vectors-7 | Basic | vectors | 138 | ![]() | |
| vectors-8 | Basic | vectors | 139 | ![]() | |
| vectors-9 | Basic | vectors | 149 | ![]() | |
| sets-0 | Basic | sets | 139 | ![]() | |
| sets-1 | Basic | sets | 138 | ![]() | |
| sets-2 | Basic | sets | 137 | ![]() | |
| sets-3 | Basic | sets | 142 | ![]() | |
| sets-4 | Basic | sets | 137 | ![]() | |
| sets-5 | Basic | sets | 136 | ![]() | |
| maps-0 | Basic | maps | 144 | ![]() | |
| maps-1 | Basic | maps | 144 | ![]() | |
| maps-2 | Basic | maps | 144 | ![]() | |
| maps-3 | Basic | maps | 143 | ![]() | |
| maps-4 | Basic | maps | 141 | ![]() | |
| maps-5 | Basic | maps | 141 | ![]() | |
| maps-6 | Basic | maps | 141 | ![]() | |
| maps-7 | Basic | maps | 137 | ![]() | |
| maps-8 | Basic | maps | 135 | ![]() | |
| maps-9 | Basic | maps | 134 | ![]() | |
| maps-10 | Basic | maps | 134 | ![]() | |
| maps-11 | Basic | maps | 136 | ![]() | |
| maps-12 | Basic | maps | 132 | ![]() | |
| maps-13 | Basic | maps | 123 | ![]() | |
| maps-14 | Basic | maps | 122 | ![]() | |
| functions-0 | Basic | functions | 128 | ![]() | |
| functions-1 | Basic | functions | 128 | ![]() | |
| functions-2 | Basic | functions | 130 | ![]() | |
| functions-3 | Basic | functions | 127 | ![]() | |
| functions-4 | Basic | functions | 126 | ![]() | |
| functions-5 | Basic | functions | 125 | ![]() | |
| functions-6 | Basic | functions | 122 | ![]() | |
| functions-7 | Basic | functions | 122 | ![]() | |
| functions-8 | Basic | functions | 102 | ![]() | |
| functions-9 | Basic | functions | 104 | ![]() | |
| conditionals-0 | Basic | conditionals | 116 | ![]() | |
| conditionals-1 | Basic | conditionals | 118 | ![]() | |
| conditionals-2 | Basic | conditionals | 115 | ![]() | |
| conditionals-3 | Basic | conditionals | 114 | ![]() | |
| conditionals-4 | Basic | conditionals | 100 | ![]() | |
| conditionals-5 | Basic | conditionals | 112 | ![]() | |
| conditionals-6 | Basic | conditionals | 94 | ![]() | |
| conditionals-7 | Basic | conditionals | 92 | ![]() | |
| partition-0 | Basic | partition | 107 | ![]() | |
| partition-1 | Basic | partition | 104 | ![]() | |
| partition-2 | Basic | partition | 100 | ![]() | |
| partition-3 | Basic | partition | 95 | ![]() | |
| partition-4 | Basic | partition | 96 | ![]() | |
| partition-5 | Basic | partition | 92 | ![]() | |
| higher-order-functions-0 | Basic | functions | 108 | ![]() | |
| higher-order-functions-1 | Basic | functions | 96 | ![]() | |
| higher-order-functions-2 | Basic | functions | 101 | ![]() | |
| higher-order-functions-3 | Basic | functions | 99 | ![]() | |
| higher-order-functions-4 | Basic | functions | 96 | ![]() | |
| higher-order-functions-5 | Basic | functions | 89 | ![]() | |
| higher-order-functions-6 | Basic | functions | 48 | ![]() | |
| higher-order-functions-7 | Basic | functions | 78 | ![]() | |
| higher-order-functions-8 | Basic | functions | 74 | ![]() | |
| higher-order-functions-9 | Basic | functions | 66 | ![]() | |
| runtime-polymorphism-0 | Basic | polymorphism | 70 | ![]() | |
| runtime-polymorphism-1 | Basic | polymorphism | 67 | ![]() | |
| runtime-polymorphism-2 | Basic | polymorphism | 66 | ![]() | |
| lazy-sequences-0 | Basic | sequences | 99 | ![]() | |
| lazy-sequences-1 | Basic | sequences | 102 | ![]() | |
| lazy-sequences-2 | Basic | sequences | 101 | ![]() | |
| lazy-sequences-3 | Basic | sequences | 99 | ![]() | |
| lazy-sequences-4 | Basic | sequences | 99 | ![]() | |
| lazy-sequences-5 | Basic | sequences | 95 | ![]() | |
| lazy-sequences-6 | Basic | sequences | 75 | ![]() | |
| sequence-comprehensions-0 | Basic | comprehensions | 85 | ![]() | |
| sequence-comprehensions-1 | Basic | comprehensions | 70 | ![]() | |
| sequence-comprehensions-2 | Basic | comprehensions | 73 | ![]() | |
| sequence-comprehensions-3 | Basic | comprehensions | 37 | ![]() | |
| sequence-comprehensions-4 | Basic | comprehensions | 48 | ![]() | |
| creating-functions-0 | Basic | functions | 73 | ![]() | |
| creating-functions-1 | Basic | functions | 67 | ![]() | |
| creating-functions-2 | Basic | functions | 65 | ![]() | |
| creating-functions-3 | Basic | functions | 67 | ![]() | |
| creating-functions-4 | Basic | functions | 62 | ![]() | |
| creating-functions-5 | Basic | functions | 63 | ![]() | |
| creating-functions-6 | Basic | functions | 54 | ![]() | |
| destructuring-0 | Basic | destructuring | 72 | ![]() | |
| destructuring-1 | Basic | destructuring | 61 | ![]() | |
| destructuring-2 | Basic | destructuring | 54 | ![]() | |
| destructuring-3 | Basic | destructuring | 55 | ![]() | |
| destructuring-4 | Basic | destructuring | 52 | ![]() | |
| destructuring-5 | Basic | destructuring | 52 | ![]() | |
| destructuring-6 | Basic | destructuring | 35 | ![]() | |
| atoms-0 | Basic | atoms | 83 | ![]() | |
| atoms-1 | Basic | atoms | 81 | ![]() | |
| atoms-2 | Basic | atoms | 72 | ![]() | |
| atoms-3 | Basic | atoms | 60 | ![]() | |
| atoms-4 | Basic | atoms | 60 | ![]() | |
| atoms-5 | Basic | atoms | 60 | ![]() | |
| atoms-6 | Basic | atoms | 53 | ![]() | |
| tribonacci | Easy | tribonacci seqs | mifwar | 29 | ![]() |
| Akar persamaan kuadrat | Easy | Math | sabdaps | 18 | ![]() |
| Simple Math 2 | Elementary | arithmatics | arifian | 81 | ![]() |
| Strings 2 | Elementary | arifian | 60 | ![]() | |
| Collection 1 | Elementary | arifian | 59 | ![]() | |
| Sequential destructuring 1 | Easy | destructuring | arifian | 26 | ![]() |
| Associative destructuring 1 | Easy | destructuring | arifian | 28 | ![]() |
| Associative destructuring 2 | Easy | destructuring | arifian | 24 | ![]() |
| Reverse a string | Elementary | String list | sabdaps | 12 | ![]() |
| A Test of character | Elementary | String Character | sabdaps | 11 | ![]() |
| Extracting Private Ryan | Basic | String | sabdaps | 13 | ![]() |
| You are replaceable | Elementary | String | sabdaps | 10 | ![]() |
| Give me your position | Elementary | String | sabdaps | 10 | ![]() |
| Separation of char and string | Elementary | String | sabdaps | 11 | ![]() |
| Separation of char and string (satanic level) | Medium | String | sabdaps | 3 | ![]() |
| Entangled | Elementary | String List | sabdaps | 5 | ![]() |
| Uniqlongth | Easy | String | sabdaps | 5 | ![]() |
| Pecking order | Elementary | List Vector | sabdaps | 10 | ![]() |
| Merry go round a bit | Elementary | List Vector | sabdaps | 9 | ![]() |
| We found a match (or some matches) | Easy | List and vector | sabdaps | 5 | ![]() |
| If we love people indiscriminately we cannot function | Elementary | vector and list | sabdaps | 11 | ![]() |
| Thou shall not pass | Basic | Vector and List | sabdaps | 13 | ![]() |
| Encoding | Easy | List and vector | sabdaps | 5 | ![]() |
| Prime Factorisation | Easy | Numbers and list | sabdaps | 5 | ![]() |
| Segregation FTW | Easy | Further list and vector functions | sabdaps | 5 | ![]() |
| Unnecessary keribetan | Elementary | Mikir dikit | sabdaps | 8 | ![]() |
| Uniquely sorted | Easy | List and vector functions | sabdaps | 5 | ![]() |
| When you have the key you can replace the value | Elementary | Map | sabdaps | 10 | ![]() |
| Recency bias | Elementary | Map | sabdaps | 10 | ![]() |
| Flip it | Easy | Map | sabdaps | 6 | ![]() |
| Deep key-per | Easy | Nested map | sabdaps | 5 | ![]() |
| The Map of shadows | Easy | Map | sabdaps | 5 | ![]() |
| The Treasure Hunter | Medium | Map | sabdaps | 2 | ![]() |
| Crypto Challenge | Easy | Numbers and math | sabdaps | 5 | ![]() |
| The Diophantine Dilemma | Medium | Math and numbers | sabdaps | 0 | ![]() |
| The Riddle of Partitions | Medium | Math and numbers | sabdaps | 0 | ![]() |
| The Quest for Perfect Numbers | Medium | Math and numbers | sabdaps | 2 | ![]() |
| Employee(s) of the Month | Easy | List of Maps | sabdaps | 4 | ![]() |
| Stock checking | Easy | Real life cases List of Maps | sabdaps | 4 | ![]() |
| The Librarian's Dilemma | Easy | Real life cases List of Maps | sabdaps | 4 | ![]() |
| The Quizmaster's Conundrum | Easy | Real life cases List of Maps | sabdaps | 4 | ![]() |
| The Enrollment Enigma | Easy | Real life cases List of Maps | sabdaps | 1 | ![]() |
| The Curriculum Conundrum | Medium | Real life cases List of Maps | sabdaps | 0 | ![]() |
| The Article Archivist | Easy | Real life cases List of Maps | sabdaps | 3 | ![]() |
| Schedule Optimiser | Medium | Real life cases List of Maps | sabdaps | 1 | ![]() |
| The Content Merger | Easy | Real life cases List of Maps | sabdaps | 1 | ![]() |
| The Quiz Aggregator | Easy | Real life cases List of Maps | sabdaps | 0 | ![]() |
| The Quiz Refiner | Easy | Real life cases List of Maps | sabdaps | 2 | ![]() |
| The Quiz Upgrader | Medium | Real life cases List of Maps | sabdaps | 2 | ![]() |
| The Progen transformer | Easy | Real life cases List of Maps | sabdaps | 2 | ![]() |
| The Ultimate sorter | Medium | Real life cases List of Maps | sabdaps | 1 | ![]() |
| Data Fusion | Medium | Real life cases List of Maps | sabdaps | 1 | ![]() |

