Title | Difficulty | Topics | Submitted By | Times Solved | Solved? |
---|---|---|---|---|---|

Nothing but the Truth | Elementary | dbyrne | 31484 | ||

Simple Math | Elementary | dbyrne | 30813 | ||

Intro to Strings | Elementary | dbyrne | 30496 | ||

Intro to Lists | Elementary | dbyrne | 28995 | ||

Lists: conj | Elementary | dbyrne | 28349 | ||

Intro to Vectors | Elementary | dbyrne | 26804 | ||

Vectors: conj | Elementary | dbyrne | 26710 | ||

Intro to Sets | Elementary | dbyrne | 26155 | ||

Sets: conj | Elementary | dbyrne | 25839 | ||

Intro to Maps | Elementary | dbyrne | 25236 | ||

Maps: conj | Elementary | dbyrne | 24958 | ||

Intro to Sequences | Elementary | dbyrne | 24762 | ||

Sequences: rest | Elementary | dbyrne | 24642 | ||

Intro to Functions | Elementary | dbyrne | 24363 | ||

Double Down | Elementary | dbyrne | 24134 | ||

Hello World | Elementary | dbyrne | 23194 | ||

Sequences: map | Elementary | dbyrne | 23085 | ||

Sequences: filter | Elementary | dbyrne | 22920 | ||

Last Element | Easy | seqs core-functions | dbyrne | 20543 | |

Penultimate Element | Easy | seqs | dbyrne | 19370 | |

Nth Element | Easy | seqs core-functions | dbyrne | 16792 | |

Count a Sequence | Easy | seqs core-functions | dbyrne | 15191 | |

Reverse a Sequence | Easy | seqs core-functions | dbyrne | 13317 | |

Sum It All Up | Easy | seqs | dbyrne | 14556 | |

Find the odd numbers | Easy | seqs | dbyrne | 14116 | |

Fibonacci Sequence | Easy | Fibonacci seqs | dbyrne | 10850 | |

Palindrome Detector | Easy | seqs | dbyrne | 11369 | |

Flatten a Sequence | Easy | seqs core-functions | dbyrne | 7710 | |

Get the Caps | Easy | strings | dbyrne | 9297 | |

Compress a Sequence | Easy | seqs | dbyrne | 7877 | |

Pack a Sequence | Easy | seqs | dbyrne | 6928 | |

Duplicate a Sequence | Easy | seqs | dbyrne | 8560 | |

Replicate a Sequence | Easy | seqs | dbyrne | 7400 | |

Implement range | Easy | seqs core-functions | dbyrne | 7931 | |

Local bindings | Elementary | syntax | amalloy | 17327 | |

Let it Be | Elementary | math syntax | amalloy | 16536 | |

Regular Expressions | Elementary | regex syntax | dbyrne | 15188 | |

Maximum value | Easy | core-functions | dbyrne | 10238 | |

Interleave Two Seqs | Easy | seqs core-functions | dbyrne | 7732 | |

Interpose a Seq | Easy | seqs core-functions | dbyrne | 7015 | |

Drop Every Nth Item | Easy | seqs | dbyrne | 6676 | |

Factorial Fun | Easy | math | amalloy | 7790 | |

Reverse Interleave | Medium | seqs | amalloy | 4420 | |

Rotate Sequence | Medium | seqs | dbyrne | 4584 | |

Intro to Iterate | Easy | seqs | dbyrne | 7233 | |

Flipping out | Medium | higher-order-functions | dbyrne | 5164 | |

Contain Yourself | Easy | dbyrne | 7162 | ||

Intro to some | Easy | dbyrne | 8154 | ||

Split a sequence | Easy | seqs core-functions | dbyrne | 6051 | |

Split by Type | Medium | seqs | dbyrne | 4205 | |

Advanced Destructuring | Easy | destructuring | dbyrne | 5930 | |

Intro to Destructuring | Elementary | destructuring | amalloy | 7507 | |

Longest Increasing Sub-Seq | Hard | seqs | dbyrne | 2447 | |

Partition a Sequence | Medium | seqs core-functions | dbyrne | 3055 | |

Count Occurrences | Medium | seqs core-functions | dbyrne | 3544 | |

Find Distinct Items | Medium | seqs core-functions | dbyrne | 3260 | |

Simple Recursion | Elementary | recursion | dbyrne | 12623 | |

Function Composition | Medium | higher-order-functions core-functions | dbyrne | 3195 | |

Juxtaposition | Medium | higher-order-functions core-functions | dbyrne | 3036 | |

Sequence Reductions | Medium | seqs core-functions | dbyrne | 2079 | |

Map Construction | Easy | core-functions | dbyrne | 4943 | |

Re-implement Iterate | Easy | seqs core-functions | amalloy | 4105 | |

Group a Sequence | Easy | core-functions | dbyrne | 3650 | |

Intro to Reduce | Elementary | seqs | citizen428 | 13550 | |

Black Box Testing | Medium | seqs testing | amalloy | 2355 | |

Greatest Common Divisor | Easy | dbyrne | 4674 | ||

Prime Numbers | Medium | primes | dbyrne | 2569 | |

Recurring Theme | Elementary | recursion | dbyrne | 10460 | |

Merge with a Function | Medium | core-functions | dbyrne | 2042 | |

Word Sorting | Medium | sorting | fotland | 2601 | |

Rearranging Code: -> | Elementary | amalloy | 10853 | ||

Rearranging Code: ->> | Elementary | amalloy | 10144 | ||

Analyze a Tic-Tac-Toe Board | Hard | game | fotland | 1694 | |

Filter Perfect Squares | Medium | dbyrne | 2342 | ||

Euler's Totient Function | Medium | dbyrne | 1685 | ||

Intro to Trampoline | Medium | recursion | dbyrne | 2262 | |

Anagram Finder | Medium | dbyrne | 2172 | ||

Reimplement Trampoline | Medium | core-functions | dbyrne | 1576 | |

Triangle Minimal Path | Hard | graph-theory | dbyrne | 1059 | |

Perfect Numbers | Medium | dbyrne | 2117 | ||

Set Intersection | Easy | set-theory | dbyrne | 4238 | |

Word Chains | Hard | seqs | dbyrne | 749 | |

A Half-Truth | Easy | cmeier | 5188 | ||

Transitive Closure | Hard | set-theory | dbyrne | 833 | |

Power Set | Medium | set-theory | peteris | 1418 | |

Happy numbers | Medium | math | daviddavis | 1632 | |

Symmetric Difference | Easy | set-theory | dbyrne | 3563 | |

Graph Tour | Hard | graph-theory | lucas1000001 | 589 | |

Cartesian Product | Easy | set-theory | dbyrne | 3822 | |

Graph Connectivity | Hard | graph-theory | lucas1000001 | 728 | |

Read Roman numerals | Hard | strings math | amalloy | 1075 | |

Partially Flatten a Sequence | Medium | seqs | dbyrne | 1111 | |

Game of Life | Hard | game | lucas1000001 | 674 | |

To Tree, or not to Tree | Easy | trees | dbyrne | 2769 | |

Beauty is Symmetry | Easy | trees | dbyrne | 2031 | |

Pascal's Triangle | Easy | dbyrne | 2993 | ||

Equivalence Classes | Medium | drcabana | 1384 | ||

Product Digits | Easy | math seqs | jneira | 3789 | |

Least Common Multiple | Easy | math | dbyrne | 2339 | |

Levenshtein Distance | Hard | seqs | patsp | 598 | |

intoCamelCase | Medium | strings | amalloy | 1894 | |

Generating k-combinations | Medium | seqs combinatorics | patsp | 894 | |

Write Roman Numerals | Medium | strings math | 0x89 | 1010 | |

Identify keys and values | Medium | maps seqs | amalloy | 1346 | |

Number Maze | Hard | numbers | lucas1000001 | 625 | |

Simple closures | Easy | higher-order-functions math | amalloy | 4107 | |

Lazy Searching | Medium | seqs sorting | amalloy | 1163 | |

Sequence of pronunciations | Medium | seqs | mlni | 1202 | |

Crossword puzzle | Hard | game | mlni | 459 | |

Sequs Horribilis | Medium | seqs | ghoseb | 684 | |

Making Data Dance | Hard | types | amcnamara | 497 | |

Global take-while | Medium | seqs higher-order-functions | amalloy | 1083 | |

The Balance of N | Medium | math | amcnamara | 1446 | |

Prime Sandwich | Medium | math | amcnamara | 887 | |

For Science! | Hard | game | amcnamara | 519 | |

Re-implement Map | Easy | core-seqs | semisight | 2804 | |

Win at Tic-Tac-Toe | Hard | game | shockbob | 538 | |

Sum of square of digits | Easy | math | danilo | 2687 | |

Universal Computation Engine | Medium | functions | mlni | 857 | |

Read a binary number | Easy | mikera | 3414 | ||

Analyze Reversi | Hard | game | shockbob | 352 | |

Gus' Quinundrum | Hard | logic fun brain-teaser | amcnamara | 435 | |

Through the Looking Class | Easy | fun brain-teaser | amcnamara | 3211 | |

Love Triangle | Hard | search data-juggling | amcnamara | 241 | |

Recognize Playing Cards | Easy | strings game | amalloy | 2548 | |

Tree reparenting | Hard | tree | chouser | 336 | |

Sum Some Set Subsets | Medium | math | amcnamara | 704 | |

Insert between two items | Medium | seqs core-functions | srid | 1038 | |

A nil key | Elementary | maps | goranjovic | 9105 | |

Infix Calculator | Easy | higher-order-functions math | fdaoud | 3171 | |

Digits and bases | Medium | math | goranjovic | 1336 | |

Squares Squared | Hard | data-juggling | amcnamara | 312 | |

Veitch, Please! | Hard | math circuit-design | amcnamara | 201 | |

Tricky card games | Medium | game cards | amalloy | 666 | |

dot product | Easy | seqs math | bloop | 3445 | |

Oscilrate | Medium | sequences | bloop | 1222 | |

For the win | Elementary | core-functions seqs | amalloy | 8593 | |

Trees into tables | Easy | seqs maps | amalloy | 1892 | |

Pascal's Trapezoid | Easy | seqs | narvius | 2046 | |

The Big Divide | Medium | math | goranjovic | 842 | |

Palindromic Numbers | Medium | seqs math | maximental | 513 | |

Latin Square Slicing | Hard | data-analysis math | maximental | 205 | |

Pairwise Disjoint Sets | Easy | set-theory | maximental | 1808 | |

Map Defaults | Elementary | seqs | jaycfields | 6808 | |

Indexing Sequences | Easy | seqs | jaycfields | 3101 | |

Decurry | Medium | partial-functions | amcnamara | 1177 | |

Subset and Superset | Elementary | set-theory | hangkous | 7769 | |

Logical falsity and truth | Elementary | logic | hangkous | 8305 | |

Language of a DFA | Hard | automata seqs | daowen | 286 | |

Comparisons | Easy | daowen | 4134 | ||

Infinite Matrix | Medium | seqs recursion math | maximental | 502 | |

Intervals | Medium | aiba | 837 | ||

Intro to Destructuring 2 | Easy | Destructuring | hangkous | 2332 | |

Balancing Brackets | Medium | parsing | daowen | 752 | |

Best Hand | Hard | strings game | toolkit | 379 | |

Parentheses... Again | Medium | math combinatorics | djtrack16 | 323 |