days 7 and 8
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Joseph Montanaro committed
1 parent
1446ca039e
commit
eec8b960ea
4 files changed
+227
-8
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+79
-8
@@ -1,11 +1,82 @@
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class BuildTree:
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def __init__(self):
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self.tree = {}
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self.in_tree = set()
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from collections import defaultdict
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import re
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import string
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def _add_root(self, item):
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self.tree[item] = {}
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def _add_leaf(self, leaf, branch):
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b =
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def get_first(steps):
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for step, deps in steps.items():
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if len(deps) == 0:
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return step
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with open('data/07.txt') as f:
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regexp = re.compile('Step (.) must be finished before step (.) can begin.')
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data = [regexp.match(line).groups() for line in f]
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requires = {}
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for before, after in data:
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if before not in requires:
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requires[before] = set()
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if after not in requires:
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requires[after] = set()
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requires[after].add(before)
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workers = []
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incomplete = {s: set(d) for s, d in requires.items()}
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complete = []
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available = set()
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while len(incomplete):
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for step, deps in incomplete.items():
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if len(deps) == 0:
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available.add(step)
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s = sorted(available)[0]
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complete.append(s)
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for deps in incomplete.values():
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if s in deps:
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deps.remove(s)
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available.remove(s)
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del incomplete[s]
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print(f'Part 1: {"".join(complete)}\n')
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step_times = {c: 61 + i for i, c in enumerate(string.ascii_uppercase)}
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unattempted = {s: set(d) for s, d in requires.items()}
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complete = []
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available = set()
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running = set()
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workers = [(None, 0) for i in range(5)]
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time = -1
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while len(unattempted) or len(running):
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time += 1
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for i, (s, t) in enumerate(workers):
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if s and (time - step_times[s] - t == 0):
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complete.append(s)
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running.remove(s)
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for deps in unattempted.values():
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if s in deps:
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deps.remove(s)
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workers[i] = (None, 0)
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for step, deps in unattempted.items():
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if len(deps) == 0:
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available.add(step)
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ordered_steps = sorted(available)
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for i, (s, t) in enumerate(workers):
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if s is None:
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try:
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new_step = ordered_steps.pop(0)
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workers[i] = (new_step, time)
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del unattempted[new_step]
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available.remove(new_step)
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running.add(new_step)
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except IndexError:
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pass
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print(f'Part 2: {time}\n')
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+46
@@ -0,0 +1,46 @@
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with open('data/08.txt') as f:
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data = [int(n) for n in f.read().split()]
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all_meta = []
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def parse(data):
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(children, meta_count), data = data[:2], data[2:]
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tree = {
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'children': [],
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'metadata': []
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}
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for i in range(children):
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child, data = parse(data)
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tree['children'].append(child)
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for i in range(meta_count):
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m = data.pop(0)
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all_meta.append(m)
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tree['metadata'].append(m)
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return tree, data
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tree, _ = parse(data)
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print(f'Part 1: {sum(all_meta)}\n')
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def value(node):
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children, metadata, = node['children'], node['metadata']
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if len(children) == 0:
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return sum(metadata)
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child_values = []
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for i in metadata:
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if i == 0:
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continue
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try:
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child_values.append(value(children[i - 1]))
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except IndexError:
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pass
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return sum(child_values)
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print(f'Part 2: {value(tree)}\n')
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@@ -0,0 +1,101 @@
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Step T must be finished before step X can begin.
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Step G must be finished before step O can begin.
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Step X must be finished before step B can begin.
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Step I must be finished before step W can begin.
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Step N must be finished before step V can begin.
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Step K must be finished before step H can begin.
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Step S must be finished before step R can begin.
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Step P must be finished before step J can begin.
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Step L must be finished before step V can begin.
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Step D must be finished before step E can begin.
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Step J must be finished before step R can begin.
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Step U must be finished before step W can begin.
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Step M must be finished before step Q can begin.
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Step B must be finished before step F can begin.
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Step F must be finished before step E can begin.
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Step V must be finished before step Q can begin.
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Step C must be finished before step A can begin.
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Step H must be finished before step Z can begin.
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Step A must be finished before step Y can begin.
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Step O must be finished before step Y can begin.
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Step W must be finished before step Q can begin.
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Step E must be finished before step Y can begin.
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Step Y must be finished before step Z can begin.
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Step Q must be finished before step R can begin.
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Step R must be finished before step Z can begin.
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Step S must be finished before step E can begin.
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Step O must be finished before step W can begin.
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Step G must be finished before step B can begin.
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Step I must be finished before step N can begin.
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Step G must be finished before step I can begin.
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Step H must be finished before step R can begin.
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Step N must be finished before step C can begin.
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Step M must be finished before step W can begin.
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Step Y must be finished before step R can begin.
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Step T must be finished before step B can begin.
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Step G must be finished before step D can begin.
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Step J must be finished before step O can begin.
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Step I must be finished before step A can begin.
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Step J must be finished before step H can begin.
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Step T must be finished before step Y can begin.
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Step N must be finished before step H can begin.
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Step B must be finished before step V can begin.
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Step M must be finished before step R can begin.
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Step Y must be finished before step Q can begin.
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Step X must be finished before step J can begin.
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Step A must be finished before step E can begin.
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Step P must be finished before step Z can begin.
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Step P must be finished before step C can begin.
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Step N must be finished before step Q can begin.
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Step A must be finished before step O can begin.
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Step G must be finished before step X can begin.
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Step P must be finished before step U can begin.
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Step T must be finished before step S can begin.
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Step I must be finished before step V can begin.
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Step V must be finished before step H can begin.
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Step U must be finished before step F can begin.
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Step D must be finished before step Q can begin.
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Step D must be finished before step O can begin.
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Step G must be finished before step H can begin.
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Step I must be finished before step Z can begin.
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Step N must be finished before step D can begin.
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Step B must be finished before step Y can begin.
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Step J must be finished before step M can begin.
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Step V must be finished before step Y can begin.
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Step W must be finished before step Y can begin.
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Step E must be finished before step Z can begin.
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Step T must be finished before step N can begin.
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Step L must be finished before step U can begin.
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Step S must be finished before step A can begin.
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Step Q must be finished before step Z can begin.
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Step T must be finished before step F can begin.
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Step F must be finished before step Z can begin.
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Step J must be finished before step C can begin.
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Step X must be finished before step Y can begin.
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Step K must be finished before step V can begin.
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Step T must be finished before step I can begin.
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Step I must be finished before step O can begin.
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Step C must be finished before step W can begin.
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Step B must be finished before step Q can begin.
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Step W must be finished before step Z can begin.
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Step D must be finished before step H can begin.
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Step K must be finished before step A can begin.
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Step M must be finished before step E can begin.
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Step T must be finished before step U can begin.
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Step I must be finished before step J can begin.
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Step O must be finished before step Q can begin.
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Step M must be finished before step Z can begin.
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Step U must be finished before step C can begin.
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Step N must be finished before step F can begin.
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Step C must be finished before step H can begin.
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Step X must be finished before step E can begin.
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Step F must be finished before step O can begin.
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Step P must be finished before step O can begin.
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Step J must be finished before step A can begin.
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Step H must be finished before step Y can begin.
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Step A must be finished before step Q can begin.
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Step V must be finished before step Z can begin.
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Step S must be finished before step L can begin.
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Step H must be finished before step E can begin.
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Step X must be finished before step I can begin.
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Step O must be finished before step R can begin.
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@@ -0,0 +1 @@
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9 11 7 3 4 4 3 7 1 8 0 7 7 6 4 8 1 3 3 3 2 2 3 3 3 2 1 1 7 0 9 1 2 4 6 1 3 1 5 2 1 3 2 3 3 1 1 1 9 0 11 5 1 7 7 8 1 3 3 5 2 3 3 3 1 1 3 2 2 1 1 4 5 2 2 2 2 4 3 4 1 6 0 7 5 1 8 1 4 6 1 3 1 3 2 3 1 1 5 0 6 1 1 4 1 9 1 1 3 1 1 2 1 9 0 10 2 2 8 2 7 1 7 1 5 1 3 2 1 2 2 2 2 1 2 3 2 4 3 3 5 1 6 0 7 1 9 6 1 8 5 2 1 3 1 1 1 2 1 9 0 11 3 1 6 3 2 3 6 9 3 6 4 1 3 2 1 3 2 2 2 1 1 8 0 11 3 2 6 7 1 7 3 6 6 3 6 1 3 2 1 2 3 3 1 1 3 2 4 4 3 6 1 7 0 9 5 8 4 1 5 8 9 2 8 1 2 3 1 3 3 2 1 5 0 10 5 8 5 3 9 1 1 1 5 7 3 3 3 1 1 1 6 0 6 1 1 4 8 5 2 1 3 1 3 3 3 1 2 3 2 1 1 2 6 3 2 5 3 3 7 1 7 0 8 3 6 3 2 2 1 1 2 1 3 3 3 3 1 2 1 6 0 6 1 4 1 9 8 9 1 2 3 3 3 2 1 8 0 9 7 2 3 1 2 1 8 4 9 1 2 2 2 2 1 1 3 5 1 1 2 3 5 2 3 5 1 8 0 7 4 6 2 8 8 1 3 2 3 1 3 1 1 1 3 1 8 0 9 1 4 8 4 5 2 9 9 6 2 2 1 1 2 3 1 3 1 9 0 6 6 2 3 9 7 1 2 1 1 2 2 3 3 2 2 2 2 4 2 3 3 4 1 7 0 9 1 2 5 6 7 1 1 2 5 2 3 1 1 3 2 2 1 5 0 6 2 3 8 1 1 4 2 1 3 3 1 1 5 0 9 7 7 6 9 4 1 7 7 2 3 1 1 1 3 5 1 3 3 3 4 1 6 0 8 3 2 1 7 1 1 5 4 2 2 2 2 1 3 1 6 0 9 1 5 5 9 1 4 8 7 6 3 3 1 3 2 1 1 6 0 8 5 5 3 4 3 3 1 1 1 2 3 1 1 2 2 1 4 3 3 6 1 5 0 7 8 8 4 1 7 6 8 3 3 1 2 1 1 7 0 8 1 5 3 9 8 9 4 4 3 2 1 3 3 1 3 1 9 0 9 1 3 6 1 3 4 2 1 3 2 1 2 1 2 2 3 1 3 1 5 4 3 4 2 4 1 1 4 5 3 6 1 6 0 10 6 4 8 2 3 1 7 6 4 1 1 2 3 2 1 2 1 5 0 8 4 5 6 8 6 9 1 1 1 3 1 2 1 1 7 0 7 2 4 2 6 6 3 1 2 3 1 3 1 1 3 2 4 2 1 1 5 3 6 1 8 0 9 1 9 1 6 2 4 4 6 1 1 2 2 3 1 1 1 1 1 7 0 7 5 1 4 4 5 1 6 1 3 1 1 3 1 3 1 8 0 9 7 5 7 6 4 3 1 7 8 2 1 1 1 1 3 1 1 2 1 4 2 2 4 3 7 1 5 0 7 7 9 5 7 1 2 5 2 3 2 1 1 1 9 0 11 2 1 1 4 9 8 2 6 7 2 1 2 3 1 2 1 1 1 1 2 1 7 0 11 8 6 3 6 4 1 1 2 5 2 3 3 1 1 2 3 3 1 1 1 5 1 2 1 3 3 7 1 8 0 9 5 2 5 1 3 5 6 6 8 2 1 1 3 3 3 2 1 1 9 0 7 2 2 1 6 1 7 5 1 1 2 2 1 2 2 2 3 1 6 0 7 1 1 8 8 5 5 6 1 3 3 1 2 1 2 5 4 1 2 5 4 3 5 3 3 4 4 4 3 6 1 5 0 11 2 1 2 4 1 7 5 1 1 3 1 3 1 3 1 3 1 8 0 9 1 2 1 1 8 6 6 7 6 1 3 2 2 3 3 2 3 1 5 0 11 8 1 5 7 4 3 8 1 3 8 9 1 3 1 2 1 5 1 3 3 2 2 3 4 1 9 0 11 8 1 2 9 3 2 5 9 7 7 6 1 2 2 1 3 2 1 3 2 1 5 0 8 5 4 2 8 6 5 1 1 2 1 1 3 3 1 7 0 7 1 1 4 3 1 8 6 1 1 3 2 2 3 2 1 2 3 3 3 7 1 9 0 8 3 6 7 7 4 7 1 3 2 1 2 1 2 3 3 1 3 1 7 0 11 4 1 1 1 1 2 6 3 1 4 7 2 3 1 3 3 2 1 1 7 0 6 5 4 1 6 6 4 3 1 3 1 2 1 1 1 2 5 5 4 2 1 3 5 1 7 0 6 6 1 7 1 5 7 2 2 1 1 1 1 1 1 9 0 7 8 1 4 6 2 7 3 3 1 1 2 2 1 3 3 3 1 7 0 7 8 6 2 1 6 7 4 2 2 2 2 1 3 3 4 4 1 4 3 4 6 4 2 5 3 3 7 1 7 0 7 1 7 7 2 1 7 1 2 1 3 2 1 1 2 1 8 0 9 9 5 6 6 7 7 3 8 1 3 3 1 2 3 1 2 1 1 6 0 7 1 4 8 1 4 9 5 1 1 3 1 1 3 4 3 4 3 1 3 5 3 4 1 5 0 8 4 7 7 5 3 5 1 4 1 1 3 2 1 1 8 0 11 9 7 8 2 2 5 1 2 1 8 1 1 1 3 1 1 1 1 2 1 8 0 11 6 9 7 2 7 1 7 4 2 4 3 2 1 2 1 3 1 3 2 1 1 2 2 3 7 1 7 0 11 7 3 3 9 3 9 4 1 2 1 8 1 1 1 2 1 3 1 1 8 0 10 8 1 1 4 3 4 1 2 6 7 2 3 1 1 2 2 3 2 1 6 0 11 8 3 5 1 2 8 2 7 4 5 6 1 3 3 1 2 1 2 3 3 5 2 1 3 3 7 1 8 0 11 9 8 6 7 7 1 2 2 9 1 1 3 3 3 2 3 3 1 3 1 9 0 10 2 5 7 1 7 3 9 5 1 1 3 1 1 1 2 2 3 1 3 1 6 0 6 1 9 2 8 4 7 2 1 2 2 1 2 3 4 4 5 1 5 1 3 5 1 5 0 8 8 8 7 1 3 7 5 9 1 1 3 1 1 1 6 0 7 5 3 1 1 5 7 2 2 1 3 1 1 3 1 6 0 11 1 5 6 7 1 9 6 4 5 7 4 2 1 3 3 3 1 3 2 3 1 1 1 3 1 5 3 3 7 1 9 0 10 8 5 3 8 1 6 5 2 7 8 3 1 2 1 3 3 1 2 3 1 8 0 9 5 6 1 6 6 2 6 7 8 2 2 1 2 3 3 1 1 1 8 0 6 3 7 8 1 1 1 3 3 1 1 1 2 1 3 2 4 5 1 3 4 5 3 6 1 7 0 10 1 2 7 2 7 3 7 9 1 4 3 1 1 3 2 2 1 1 8 0 10 2 1 5 1 5 4 3 3 6 6 1 3 3 2 1 1 1 1 1 9 0 7 2 1 9 9 9 5 9 2 3 3 3 1 3 3 1 3 1 1 4 3 5 1 3 6 1 8 0 10 6 4 8 3 1 7 4 8 3 9 1 1 3 1 3 1 3 1 1 7 0 6 9 5 1 1 7 8 2 3 1 2 3 3 2 1 5 0 7 7 8 7 4 4 8 1 1 1 2 3 2 1 5 1 1 3 1 3 7 1 9 0 11 1 8 3 9 7 2 8 1 1 5 8 3 1 1 2 1 2 3 1 3 1 6 0 6 6 1 3 2 7 1 3 3 1 2 1 3 1 8 0 8 8 1 3 4 2 2 1 3 1 1 1 1 1 1 3 1 2 2 4 5 2 5 3 3 7 1 9 0 9 4 7 1 3 6 1 6 5 3 1 3 3 2 2 1 3 1 2 1 9 0 9 2 7 4 5 1 9 1 5 1 1 1 3 1 2 3 1 2 1 1 7 0 6 6 5 5 2 8 1 3 2 1 1 3 2 2 2 5 3 5 3 2 2 1 5 1 5 5 3 5 1 6 0 9 3 8 1 2 6 1 2 4 1 1 2 1 2 1 3 1 8 0 7 4 5 4 9 7 8 1 2 1 2 1 2 1 2 1 1 6 0 7 5 3 6 8 8 8 1 1 1 3 1 3 2 4 2 5 1 4 3 5 1 6 0 8 3 4 8 7 1 7 7 2 1 1 3 2 1 2 1 9 0 9 6 1 1 9 7 9 5 4 2 1 2 1 2 2 2 1 1 1 1 6 0 9 6 5 3 1 9 5 2 8 4 2 2 2 3 3 1 4 3 2 3 3 3 5 1 7 0 11 4 9 4 1 8 8 1 9 3 4 4 1 1 1 3 1 2 1 1 8 0 6 2 9 1 2 4 2 2 2 3 1 2 3 1 2 1 7 0 10 1 1 7 5 7 7 2 6 3 7 3 1 3 2 3 2 3 2 4 1 4 3 3 7 1 5 0 11 2 4 2 9 4 2 4 1 7 5 3 3 1 2 1 3 1 7 0 7 1 5 6 9 7 5 7 1 3 3 3 2 2 1 1 7 0 10 8 9 9 2 1 2 3 9 3 8 1 2 1 2 1 3 2 2 2 3 2 3 5 3 3 5 1 7 0 10 6 8 5 1 5 8 4 3 1 3 1 1 1 2 1 2 1 1 5 0 11 8 4 5 5 9 1 4 1 8 6 5 1 1 3 3 3 1 5 0 11 1 3 8 7 2 7 8 3 6 6 6 2 3 1 1 2 2 2 1 4 1 3 1 4 4 5 5 6 4 6 3 4 4 3 7 1 8 0 6 9 8 1 5 7 1 3 1 3 1 1 3 2 2 1 5 0 11 9 1 1 8 7 6 4 9 3 9 6 3 2 1 2 3 1 8 0 7 6 7 6 5 1 6 2 3 2 1 2 1 2 1 1 3 2 2 4 3 3 2 3 6 1 8 0 11 6 6 1 9 8 2 7 5 4 4 1 3 2 2 2 3 1 1 3 1 7 0 11 4 3 4 2 1 9 1 2 2 4 4 1 2 1 1 3 2 1 1 7 0 11 6 4 2 7 3 8 8 6 3 1 6 3 3 1 3 1 1 2 2 1 5 2 2 4 3 5 1 6 0 10 1 8 3 5 8 9 3 3 1 5 2 1 2 2 3 3 1 5 0 7 5 3 4 2 1 3 1 1 2 1 1 1 1 8 0 10 5 1 6 8 5 2 4 7 8 8 1 1 2 3 2 1 1 3 5 4 3 1 5 3 5 1 8 0 9 1 1 8 8 2 1 8 3 8 3 2 2 1 1 3 1 3 1 5 0 11 9 9 9 2 1 1 9 5 2 6 3 3 1 1 2 1 1 9 0 7 8 2 1 1 9 2 9 2 1 1 1 1 1 2 1 2 5 3 2 1 5 3 4 4 3 5 4 3 6 1 5 0 6 9 1 1 4 6 6 1 3Line truncated
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Reference in new issue
Block a user