117 lines
3.0 KiB
Python
117 lines
3.0 KiB
Python
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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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robot_number = {'ore': 0, 'clay': 1, 'obsidian': 2, 'geode': 3, 'nothing': 99}
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def parse(line):
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line = re.sub(r'[^\d]+', ' ', line)
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idx, ore1, ore2, ore3, clay3, ore4, obs4 = map(int, line.split())
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return idx, {
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'ore': [ore1, 0,0,0],
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'clay': [ore2, 0,0,0],
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'obsidian': [ore3,clay3,0,0],
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'geode': [ore4,0,obs4,0],
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}
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def simulate(blueprint):
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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)]
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rmax.append(99)
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B['nothing'] = [0,0,0,0]
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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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print(worth)
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minutes = 24
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q = [(0, robots, resources)]
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del resources
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del robots
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for _ in range(minutes):
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next = []
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seen = set()
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for _, robots, resources in q:
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for robot, cost in B.items():
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i = robot_number[robot]
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if robot != 'nothing' and robots[i] >= rmax[i]:
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continue
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if not all(x >= y for x, y in zip(resources, cost)):
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continue
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new = []
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for x,y,z,m in zip(resources, robots, cost, rmax):
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x = x+y-z
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new.append(x)
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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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key = str(new_robots)+str(new)
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if key not in seen:
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#x = (new[3], new_robots[3], new[2] + new[0], new_robots[2] + new_robots[0], new[1]+new[0], new_robots[1]+new_robots[0], new, new_robots)
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w = sum(worth[r]*robots[robot_number[r]] for r in worth)
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x = tuple(reversed(new+new_robots+[new[3]]))
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#x = (new[3], new_robots)
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next.append((x, new_robots, new))
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bucket = {}
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for x,rob,res in next:
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bucket.setdefault(x[0],[]).append((x,rob,res))
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q = []
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for i in bucket:
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bucket[i].sort(reverse=True)
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q.extend(bucket[i][:2000])
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bucket.clear()
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print(len(q), q[:1])
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print(q[0])
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return q[0][2][3]
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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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for line in f:
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idx, bp = parse(line)
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input[idx] = bp
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def solve(input):
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t = 0
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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("---")
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print(t)
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return t
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assert solve(sample) == 33
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solve(input)
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