days 8 and 9
This commit is contained in:
parent
f707aa0220
commit
5ed8eb6433
86
day08/day08.py
Normal file
86
day08/day08.py
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import re
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import argparse
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parser = argparse.ArgumentParser()
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parser.add_argument("filename", help="the file from which to take data")
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args = parser.parse_args()
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with open(args.filename, "r") as f: contents = f.read()
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big_matrix = []
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for line in contents.strip().split("\n"):
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big_matrix.append(list(map(int, line)))
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def print_matrix(mat):
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for row in mat:
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print("".join(map(str, row)))
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visibility = []
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for row in big_matrix:
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new_row = []
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for col in row:
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new_row.append(False)
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visibility.append(new_row)
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def update_visibility(trees, visibles):
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top = -1
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for i, t in enumerate(trees):
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if t>top:
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visibles[i] = True
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top = t
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def watch_from_west(mat, vis):
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for trees, vision in zip(mat, vis):
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update_visibility(trees, vision)
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watch_from_west(big_matrix, visibility) # look from the west
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big_matrix = list(map(list, map(reversed, big_matrix)))
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visibility = list(map(list, map(reversed, visibility)))
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watch_from_west(big_matrix, visibility) # look from the east
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big_matrix = list(map(list,zip(*big_matrix)))
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visibility = list(map(list,zip(*visibility)))
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watch_from_west(big_matrix, visibility) # look from the... north?
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big_matrix = list(map(list, map(reversed, big_matrix)))
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visibility = list(map(list, map(reversed, visibility)))
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watch_from_west(big_matrix, visibility) # look from the south
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f_l = lambda i: filter(lambda x: x, i)
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answer = sum(map(len, map(list, map(f_l, visibility))))
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print_matrix(visibility)
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print("visible trees are {} in number".format(answer))
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def look(forest, x, y):
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n = look_at(forest, x, y, 0, -1)
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s = look_at(forest, x, y, 0, 1)
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e = look_at(forest, x, y, 1, 0)
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w = look_at(forest, x, y, -1, 0)
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return n*s*e*w
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def look_at(forest, x, y, dx, dy):
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count = 0
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treehouse = forest[y][x]
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tx = x + dx
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ty = y + dy
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while tx >= 0 and tx < len(forest[0]) and ty >= 0 and ty < len(forest):
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if forest[ty][tx] >= treehouse:
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count += 1
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break
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count += 1
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tx = tx + dx
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ty = ty + dy
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return count
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best_score = 0
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for y, row in enumerate(big_matrix):
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for x, tree in enumerate(row):
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score = look(big_matrix, x, y)
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if score > best_score:
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best_score = score
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print("the highest score we found was {}".format(best_score))
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53
day09/day09.py
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53
day09/day09.py
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import re
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import argparse
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parser = argparse.ArgumentParser()
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parser.add_argument("filename", help="the file from which to take data")
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args = parser.parse_args()
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with open(args.filename, "r") as f: commands = f.readlines()
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visited = {(0,0)}
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head = (0, 0)
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tails = (0, 0)
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def walk(command, head, tail, visited):
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direction, repeats = command.split(" ")
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repeats = int(repeats)
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first = True
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while repeats > 0:
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head = step(direction, head, tail)
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tail = follow(head, tail)
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first = False
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visited = visited | {tail}
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repeats -= 1
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print("walking {} while head is {} and tail is {}".format(command, head, tail))
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return head, tail, visited
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def follow(head, tail):
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if head[0] < tail[0]-1 or head[0] > tail[0]+1 or \
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head[1] < tail[1]-1 or head[1] > tail[1]+1:
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if head[0] < tail[0]: tail = (tail[0]-1, tail[1])
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if head[0] > tail[0]: tail = (tail[0]+1, tail[1])
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if head[1] < tail[1]: tail = (tail[0], tail[1]-1)
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if head[1] > tail[1]: tail = (tail[0], tail[1]+1)
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return tail
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def step(direction, head, tail):
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match direction:
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case 'R': return (head[0]+1, head[1])
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case 'L': return (head[0]-1, head[1])
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case 'U': return (head[0], head[1]+1)
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case 'D': return (head[0], head[1]-1)
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case _: return head
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print("{}".format(visited))
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for command in commands:
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head, tail, visited = walk(command, head, tail, visited)
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print("{}".format(visited))
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print("visited {} locations".format(len(visited)))
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53
day09/day09b.py
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53
day09/day09b.py
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import re
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import argparse
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parser = argparse.ArgumentParser()
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parser.add_argument("filename", help="the file from which to take data")
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args = parser.parse_args()
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with open(args.filename, "r") as f: commands = f.readlines()
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visited = {(0,0)}
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head = (0, 0)
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tails = [(0, 0)]*9
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def walk(command, head, tails, visited):
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direction, repeats = command.split(" ")
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repeats = int(repeats)
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first = True
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while repeats > 0:
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head = step(direction, head)
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for i in range(len(tails)):
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if i==0:
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h = head
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else:
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h = tails[i-1]
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tails[i] = follow(h, tails[i])
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first = False
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visited = visited | {tails[-1]}
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repeats -= 1
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return head, tails, visited
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def follow(head, tail):
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if head[0] < tail[0]-1 or head[0] > tail[0]+1 or \
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head[1] < tail[1]-1 or head[1] > tail[1]+1:
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if head[0] < tail[0]: tail = (tail[0]-1, tail[1])
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if head[0] > tail[0]: tail = (tail[0]+1, tail[1])
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if head[1] < tail[1]: tail = (tail[0], tail[1]-1)
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if head[1] > tail[1]: tail = (tail[0], tail[1]+1)
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return tail
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def step(direction, head):
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match direction:
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case 'R': return (head[0]+1, head[1])
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case 'L': return (head[0]-1, head[1])
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case 'U': return (head[0], head[1]+1)
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case 'D': return (head[0], head[1]-1)
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case _: return head
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for command in commands:
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head, tails, visited = walk(command, head, tails, visited)
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print("visited {} locations".format(len(visited)))
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29
day10/.gitignore
vendored
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29
day10/.gitignore
vendored
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### IntelliJ IDEA ###
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out/
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!**/src/main/**/out/
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!**/src/test/**/out/
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### Eclipse ###
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.apt_generated
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.classpath
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.factorypath
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.project
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.settings
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.springBeans
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.sts4-cache
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bin/
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!**/src/main/**/bin/
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!**/src/test/**/bin/
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### NetBeans ###
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/nbproject/private/
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/nbbuild/
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/dist/
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/nbdist/
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/.nb-gradle/
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### VS Code ###
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.vscode/
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### Mac OS ###
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.DS_Store
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8
day10/.idea/.gitignore
vendored
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8
day10/.idea/.gitignore
vendored
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# Default ignored files
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/shelf/
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/workspace.xml
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# Editor-based HTTP Client requests
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/httpRequests/
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# Datasource local storage ignored files
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/dataSources/
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/dataSources.local.xml
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10
day10/.idea/codeStyles/Project.xml
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10
day10/.idea/codeStyles/Project.xml
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<component name="ProjectCodeStyleConfiguration">
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<code_scheme name="Project" version="173">
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<JetCodeStyleSettings>
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<option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
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</JetCodeStyleSettings>
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<codeStyleSettings language="kotlin">
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<option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
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</codeStyleSettings>
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</code_scheme>
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</component>
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5
day10/.idea/codeStyles/codeStyleConfig.xml
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5
day10/.idea/codeStyles/codeStyleConfig.xml
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<component name="ProjectCodeStyleConfiguration">
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<state>
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<option name="USE_PER_PROJECT_SETTINGS" value="true" />
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</state>
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</component>
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6
day10/.idea/inspectionProfiles/Project_Default.xml
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6
day10/.idea/inspectionProfiles/Project_Default.xml
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<component name="InspectionProjectProfileManager">
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<profile version="1.0">
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<option name="myName" value="Project Default" />
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<inspection_tool class="ReplaceUntilWithRangeUntil" enabled="true" level="WEAK WARNING" enabled_by_default="true" />
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</profile>
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</component>
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10
day10/.idea/kotlinc.xml
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10
day10/.idea/kotlinc.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="Kotlin2JvmCompilerArguments">
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<option name="jvmTarget" value="1.8" />
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</component>
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<component name="KotlinCommonCompilerArguments">
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<option name="apiVersion" value="1.9" />
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<option name="languageVersion" value="1.9" />
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</component>
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</project>
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26
day10/.idea/libraries/KotlinJavaRuntime.xml
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26
day10/.idea/libraries/KotlinJavaRuntime.xml
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<component name="libraryTable">
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<library name="KotlinJavaRuntime" type="repository">
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<properties maven-id="org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.9.0" />
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<CLASSES>
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<root url="jar://$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-stdlib-jdk8/1.9.0/kotlin-stdlib-jdk8-1.9.0.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-stdlib/1.9.0/kotlin-stdlib-1.9.0.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-stdlib-common/1.9.0/kotlin-stdlib-common-1.9.0.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/jetbrains/annotations/13.0/annotations-13.0.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-stdlib-jdk7/1.9.0/kotlin-stdlib-jdk7-1.9.0.jar!/" />
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</CLASSES>
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<JAVADOC>
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<root url="jar://$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-stdlib-jdk8/1.9.0/kotlin-stdlib-jdk8-1.9.0-javadoc.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-stdlib/1.9.0/kotlin-stdlib-1.9.0-javadoc.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-stdlib-common/1.9.0/kotlin-stdlib-common-1.9.0-javadoc.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/jetbrains/annotations/13.0/annotations-13.0-javadoc.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-stdlib-jdk7/1.9.0/kotlin-stdlib-jdk7-1.9.0-javadoc.jar!/" />
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</JAVADOC>
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<SOURCES>
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<root url="jar://$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-stdlib-jdk8/1.9.0/kotlin-stdlib-jdk8-1.9.0-sources.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-stdlib/1.9.0/kotlin-stdlib-1.9.0-sources.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-stdlib-common/1.9.0/kotlin-stdlib-common-1.9.0-sources.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/jetbrains/annotations/13.0/annotations-13.0-sources.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/jetbrains/kotlin/kotlin-stdlib-jdk7/1.9.0/kotlin-stdlib-jdk7-1.9.0-sources.jar!/" />
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</SOURCES>
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</library>
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</component>
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6
day10/.idea/misc.xml
Normal file
6
day10/.idea/misc.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="openjdk-21" project-jdk-type="JavaSDK">
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<output url="file://$PROJECT_DIR$/out" />
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</component>
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</project>
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8
day10/.idea/modules.xml
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8
day10/.idea/modules.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="ProjectModuleManager">
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<modules>
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<module fileurl="file://$PROJECT_DIR$/day10.iml" filepath="$PROJECT_DIR$/day10.iml" />
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</modules>
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</component>
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</project>
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6
day10/.idea/vcs.xml
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6
day10/.idea/vcs.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="VcsDirectoryMappings">
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<mapping directory="$PROJECT_DIR$/.." vcs="Git" />
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</component>
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</project>
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15
day10/day10.iml
Normal file
15
day10/day10.iml
Normal file
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<?xml version="1.0" encoding="UTF-8"?>
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<module type="JAVA_MODULE" version="4">
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<component name="NewModuleRootManager" inherit-compiler-output="true">
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<exclude-output />
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$/resources" type="java-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/test" isTestSource="true" />
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<sourceFolder url="file://$MODULE_DIR$/testResources" type="java-test-resource" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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<orderEntry type="library" name="KotlinJavaRuntime" level="project" />
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</component>
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</module>
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3
day10/src/Main.kt
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3
day10/src/Main.kt
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fun main() {
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println("Hello World!")
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}
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