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add readme, add sample data for day1 day2, completed solution for day4a

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kwout 2 years ago
parent 4c3f765fb6
commit 41816fa826
6 changed files with 688 additions and 0 deletions
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  1. 10
      2021/day1/input.txt.sample
  2. 6
      2021/day2/input.txt.sample
  3. 39
      2021/day4/4a.py
  4. 601
      2021/day4/input.txt
  5. 19
      2021/day4/input.txt.sample
  6. 13
      README.md

10
2021/day1/input.txt.sample
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2021/day2/input.txt.sample
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forward 5
down 5
forward 8
up 3
down 8
forward 2

39
2021/day4/4a.py
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lines = open("input.txt", 'r').read().splitlines()
draw = [int(i) for i in lines[0].split(",")]
boards = []
for s in range(2, len(lines),6):
boards.append([[int(j) for j in lines[i].split()] for i in range(s,s+5)])
earliestWin = len(draw)
winBoard = 0
for b in range(0, len(boards)):
for i in range(0, 5):
latest = 0
for j in range(0, 5):
if boards[b][i][j] not in draw:
break
index = draw.index(boards[b][i][j])
if index > latest:
latest = index
if latest < earliestWin and latest != 0:
earliestWin = latest
winBoard = int(b)
latest = 0
for j in range(0, 5):
if boards[b][j][i] not in draw:
break
index = draw.index(boards[b][j][i])
if index > latest:
latest = index
if latest < earliestWin and latest != 0:
earliestWin = latest
winBoard = b
summa = 0
for row in boards[winBoard]:
for n in row:
if n not in draw[:earliestWin+1]:
summa += n
print(draw[earliestWin]*summa)

601
2021/day4/input.txt
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17,25,31,22,79,72,58,47,62,50,30,91,11,63,66,83,33,75,44,18,56,81,32,46,93,13,41,65,14,95,19,38,8,35,52,7,12,70,84,23,4,42,90,60,6,40,97,16,27,86,5,48,54,64,29,67,26,89,99,53,34,0,57,3,92,37,59,9,21,78,51,80,73,82,76,28,88,96,45,69,98,1,2,71,68,49,36,15,55,39,87,77,74,94,61,85,10,43,20,24
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2021/day4/input.txt.sample
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7,4,9,5,11,17,23,2,0,14,21,24,10,16,13,6,15,25,12,22,18,20,8,19,3,26,1
22 13 17 11 0
8 2 23 4 24
21 9 14 16 7
6 10 3 18 5
1 12 20 15 19
3 15 0 2 22
9 18 13 17 5
19 8 7 25 23
20 11 10 24 4
14 21 16 12 6
14 21 17 24 4
10 16 15 9 19
18 8 23 26 20
22 11 13 6 5
2 0 12 3 7

13
README.md
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my solutions for the [Advent of Code](https://adventofcode.com/)
in progress:
2021 (python)
planned:
2022 (swift)
2020 (rust?)
2019
2018
2017
2016
2015
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