Every challenge posted here has a unique ID number, and should be formatted like this:
some dude wrote: Challenge π: Challengetitle
What is 9 + 10?
Then, the original poster has to mark their challenge like this:some other dude wrote: Solution π: Challengetitle
9 + 10 is equal to 19.
Challenges are completed by showing an example solution or proving them impossible. Multiple challenges and/or solutions can be written in one post. Alternate solutions to already solved challenges are welcome.some dude wrote: Challenge π: Challengetitle [SOLVED]
What is 9 + 10?
Status:
- Challenge 1: Unsolved
- Challenge 2: Unsolved
- Challenge 3: Unsolved
- Challenge 4: Unsolved
- Challenge 5: Unsolved
- Challenge 6: Solved by ipnsltg
- Challenge 7: Solved by itlnpsg
- Challenge 8: Solved by hotdogPi and b-engine and LWSSONHWSSONLWSS
- Challenge 9(8): Unsolved
Find a nontrivial regular expression that matches all of these entries:
Code: Select all
block
beehive
loaf
boat
tub
pond
ship
longboat
ship_on_ship
barge
Code: Select all
blinker
toad
beacon
CP-pulsar
pentadecathlon
clock
bipole
quadpole
great-on-off
figure 8Challenge 2: Vortex
Place a still life (or still lives) in the red area to eat all of the LWSSes before they crash into one another.
Code: Select all
x = 84, y = 84, rule = LifeHistory
45.A.A$48.A$48.A$45.A2.A$46.3A10$39.A.A$42.A$42.A$39.A2.A$40.3A10$33.
A.A$36.A$36.A$33.A2.A$34.3A$52.A2.A$34.16D.A$.4A29.16D.A3.A$A3.A29.
16D.4A$4.A29.16D$A2.A30.16D$34.16D16.A2.A$34.16D15.A$15.4A15.16D15.A
3.A$14.A3.A15.16D15.4A$18.A15.16D$14.A2.A16.16D$34.16D30.A2.A$34.16D
29.A$29.4A.16D29.A3.A$28.A3.A.16D29.4A$32.A.16D$28.A2.A$47.3A$47.A2.A
$47.A$47.A$48.A.A10$41.3A$41.A2.A$41.A$41.A$42.A.A10$35.3A$35.A2.A$
35.A$35.A$36.A.A!
