Month: December 2021

I just completed all 25 days of Advent of Code 2021! https://adventofcode.com/ #AdventOfCode

How's your runtime? I first solved them by hand and got the two stars. Then I tried to write a program to solve. It took 12 minutes for part 1 and 2 minutes for part 2.

I just completed "Arithmetic Logic Unit" - Day 24 - Advent of Code 2021 #AdventOfCode https://adventofcode.com/2021/day/24 can't quite work out how to do, read some solution and manually find the result

I've completed "Amphipod" - Day 23 - Advent of Code 2021 #AdventOfCode https://adventofcode.com/2021/day/23 both part by hand, might find some time to write later

#AdventOfCode day 23 part 1 I got it just by hand...

I've completed "Reactor Reboot" - Day 22 - Advent of Code 2021 https://adventofcode.com/2021/day/22 #AdventOfCode

I can watch Matrix 4 spoiler now

#AdventOfCode day 22 part 2, is slicing cube the only way?

開卷:身體記憶，比大腦學習更可靠

I've completed "Dirac Dice" - Day 21 - Advent of Code 2021 https://adventofcode.com/2021/day/21 #AdventOfCode serialize game state as counting map keys, same technique as in lantern fish day

I've completed "Beacon Scanner" - Day 19 - Advent of Code 2021 #AdventOfCode https://adventofcode.com/2021/day/19 use manhattan dist as between points as fingerprint to find correct rotation

I've completed "Trench Map" - Day 20 - Advent of Code 2021 #AdventOfCode https://adventofcode.com/2021/day/20 skipping day 19 for later

I've completed "Snailfish" - Day 18 - Advent of Code 2021 #AdventOfCode https://adventofcode.com/2021/day/18 I just manipulate string...

明咗免費車：有得姓賴