day 19 cleanup
parent
ee05144644
commit
634e0e7eaa
117
day19/sol.py
117
day19/sol.py
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@ -1,21 +1,22 @@
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import math
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import re
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sample = {
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1:{
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'ore': [4, 0, 0, 0],
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'clay': [2, 0, 0, 0],
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'obsidian': [3, 14, 0, 0],
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'geode': [2, 0, 7, 0],
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},
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2:{
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'ore': [2, 0, 0, 0],
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'clay': [3, 0, 0, 0],
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'obsidian': [3, 8, 0, 0],
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'geode': [3, 0, 12, 0],
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}}
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'ore': [4, 0, 0, 0],
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'clay': [2, 0, 0, 0],
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'obsidian': [3, 14, 0, 0],
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'geode': [2, 0, 7, 0],
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},
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2: {
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'ore': [2, 0, 0, 0],
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'clay': [3, 0, 0, 0],
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'obsidian': [3, 8, 0, 0],
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'geode': [3, 0, 12, 0],
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}
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}
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robot_number = {'ore': 0, 'clay': 1, 'obsidian': 2, 'geode': 3, 'nothing': 99}
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robot_number = {'ore': 0, 'clay': 1, 'obsidian': 2, 'geode': 3}
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def parse(line):
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line = re.sub(r'[^\d]+', ' ', line)
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@ -28,66 +29,38 @@ def parse(line):
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}
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def simulate(blueprint, minutes=24):
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B = blueprint
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resources = [0]*4
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robots = [1,0,0,0]
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rmax = [max(x[i] for x in B.values()) for i in range(3)] + [99]
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rmax = [max(x[i] for x in blueprint.values()) for i in range(3)] + [9999]
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limit = None
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if minutes >= 32:
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limit = 100000
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worth = {}
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worth['ore'] = 1
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worth['clay'] = worth['ore']*B['clay'][0]
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worth['obsidian'] = worth['ore']*B['obsidian'][0] + worth['clay']*B['obsidian'][1]
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worth['geode'] = worth['ore']*B['geode'][0] + worth['obsidian']*B['geode'][2]
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items = list(blueprint.items())
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items.reverse()
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print(worth)
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B_items = list(B.items())
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B_items.reverse()
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#B_items.append(('nothing', [0,0,0,0]))
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print(B_items)
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print(items)
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buckets = [[] for _ in range(minutes+1)]
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def enqueue(t, robots, resources):
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if t < 0 or t >= len(buckets):
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assert t > 0
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if t <= 0 or t >= len(buckets):
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return
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#x = (resources[3], max(resources[3], robots[3]), max(resources[2], robots[2]), max(resources[1], robots[1]), max(resources[0], robots[0]))
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x = resources[3]
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#w = sum(worth[r]*robots[robot_number[r]] for r in worth)
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#x = tuple(reversed(resources+robots+[resources[3]]))
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#x = (resources[3], robots)
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#n = sum(x==0 for x in robots)
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#if n == 3:
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# x = (resources[0], robots[0])
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#elif n == 2:
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# x = (resources[1], resources[0], robots[1], robots[0])
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#elif n == 1:
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# x = (robots[3], min(resources[2],resources[0]), max(resources[2],resources[1]), robots[2], robots[1],robots[0])
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#else:
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# x = (resources[3], min(resources[2],resources[0]), max(resources[2],resources[0]), resources[1])
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buckets[t].append((x,robots, resources))
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enqueue(minutes, robots, resources)
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del resources
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del robots
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enqueue(minutes, robots=[1,0,0,0], resources=[0,0,0,0])
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max_geodes = 0
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for _ in range(minutes):
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#next = [[] for _ in range(4)]
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buckets[minutes].sort(reverse=True)
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print(minutes, buckets[minutes][:1])
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for _, robots, resources in buckets[minutes][:100000]:
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can_build = 0
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#print(minutes, buckets[minutes][:1])
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for _, robots, resources in buckets[minutes][:limit]:
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if robots[3]:
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geodes = robots[3]*minutes + resources[3]
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if geodes > max_geodes:
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max_geodes = geodes
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for robot, cost in B_items:
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for robot, cost in items:
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i = robot_number[robot]
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if robots[i] >= rmax[i]:
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# don't build more of 1 robot than we can spend in 1 minute
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@ -103,39 +76,20 @@ def simulate(blueprint, minutes=24):
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break
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if y > x:
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wait = max(wait, int(math.ceil((y - x)/r)))
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if wait > minutes:
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if wait+1 >= minutes:
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continue
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new_resources = [x+(wait+1)*r-y for x,y,r in zip(resources, cost, robots)]
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if robot != 'nothing':
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new_robots = list(robots)
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new_robots[i] += 1
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else:
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new_robots = robots
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new_robots = list(robots)
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new_robots[i] += 1
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enqueue(minutes-wait-1, new_robots, new_resources)
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#print(len(next))
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#limit = 2500
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#q = []
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#for bucket in next:
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# bucket.sort(reverse=True)
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# q.extend(bucket[:limit])
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#count = sum(len(b) for b in next)
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#print(count, q[:1])
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print(minutes, [len(x) for x in buckets])
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buckets[minutes] = []
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print(minutes, max_geodes, [len(x) for x in buckets[:minutes+1]])
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buckets[minutes] = [] # clear old buckets to save memory
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minutes -= 1
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#print(buckets)
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#q = buckets[0]
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#print(q[0])
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#return q[0][-1][-1]
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return max_geodes
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#simulate(blueprints[1])
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input = {}
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with open('input') as f:
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@ -148,7 +102,7 @@ def solve(input):
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for idx, B in input.items():
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g = simulate(B)
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t += idx*g
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print(idx, g)
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print("blueprint", idx, "max geodes is", g)
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print("---")
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print(t)
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return t
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@ -162,6 +116,7 @@ def solve2(input):
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print(t)
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return t
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#assert solve(sample) == 33
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assert solve(sample) == 33
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#solve(input)
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solve2(input)
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