Welcome to the challenge hub.
Login and click a challenge to get started. Click the table headers to sort, or restrict displayed challenges with the tags below.
| Number | Difficulty | Tag | Name |
|---|---|---|---|
| 0 | 1.5 | stringProc |
What's a numpad? |
| 1 | 1.6 | stringProc |
Rose by any other name |
| 2 | 2.5 | listOps |
One is all you need |
| 3 | 2.9 | paths+graphs |
Short walks |
| 4 | 3.7 | maths |
This is good co-primen |
| 5 | 3.5 | stateMgmt |
Snake eyes |
| 6 | 3.4 | permutation |
Let me count the ways |
| 7 | 4.0 | maths |
What is best in life? |
| 8 | 5.5 | stateMgmt |
Cron Flakes |
| 9 | 4.0 | maths |
Big Data? |
| 10 | 5.8 | paths+graphs |
Troll Toll |
| 11 | 5.0 | listOps |
Boxed In |
| 12 | 4.0 | listOps |
A Day In The Lift |
| 13 | 6.1 | listOps |
O RLE? |
| 14 | 4.6 | paths+graphs |
That's a bingo |
| 15 | 5.9 | paths+graphs |
word wore more mare maze |
| 16 | 6.1 | stringProc |
Keming |
| 17 | 3.3 | stateMgmt |
The Beautiful Shame |
| 18 | 4.6 | maths |
Emit time |
| 19 | 5.5 | stateMgmt |
It's alive |
| 20 | 3.6 | stateMgmt |
Blackjack |
| 21 | 4.0 | paths+graphs |
Clean Sweep |
| 22 | 3.7 | stringProc |
Veni Vidi Vitavi |
| 23 | 4.3 | stringProc |
Fair Play |
| 24 | 7.3 | paths+graphs |
Huff and Puff |
| 25 | 3.6 | listOps |
S'morse |
| 26 | 4.5 | permutation |
Typo Theft |
| 27 | 3.4 | stringProc |
Snake Eater |
| 28 | 3.8 | paths+graphs |
Hall of Mirrors |
| 29 | 3.0 | maths |
On the up and up |
| 30 | 5.9 | listOps |
Flip Out |
| 31 | 6.1 | stateMgmt |
Brandless Combination Cubes |
| 32 | 3.0 | stringProc |
In Parenthesis |
| 33 | 3.2 | permutation |
Bit of Bully |
| 34 | 7.3 | stateMgmt |
Train in Vain |
| 35 | 4.5 | stringProc |
Columns |
| 36 | 6.8 | maths |
Tetonor Terror |
| 37 | 5.7 | stringProc |
GUESS WORDS |
| 38 | 5.0 | listOps |
Number Neighbours |
| 39 | 3.5 | permutation |
Game of Throwns |
| 40 | 4.0 | listOp |
Prominence promenade |