Added 2018 day 7
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Akumatic
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0723fd7dd2
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108
2018/day07.py
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108
2018/day07.py
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""" https://adventofcode.com/2018/day/5 """
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def readFile():
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import os.path as p
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dName = p.dirname(__file__)
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fName = p.basename(__file__).split(".")[0]
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nodes = {}
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with open(p.join(dName, "input", f"{fName}.txt"), "r") as f:
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lines = [(line[5:6], line[36:37]) for line in f.readlines()]
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for l in lines:
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if l[0] not in nodes:
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nodes[l[0]] = Node(l[0])
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if l[1] not in nodes:
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nodes[l[1]] = Node(l[1])
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nodes[l[0]].children.append(nodes[l[1]])
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nodes[l[1]].parents.append(nodes[l[0]])
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return nodes
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class Node:
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def __init__(self, name):
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self.name = name
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self.parents = []
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self.children = []
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self.timeNeeded = ord(name) - 4
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class Worker:
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def __init__(self):
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self.working = False
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self.node = None
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self.time = 0
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def work(self):
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self.time -= 1
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if self.time == 0:
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self.working = False
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def setNode(self, node):
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self.node = node
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self.working = True
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self.time = self.node.timeNeeded
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def getStartNodes(vals):
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l = []
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for val in vals:
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if len(vals[val].parents) == 0:
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l.append(vals[val])
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return l
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def selectNextNode(vals):
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minVal, minIdx = None, -1
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for i in range(len(vals)):
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if minVal is None or ord(vals[i].name) < minVal:
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minVal, minIdx = ord(vals[i].name), i
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return vals[minIdx]
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def part1(vals):
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order = []
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nodes = getStartNodes(vals)
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while nodes:
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n = selectNextNode(nodes)
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nodes.remove(n)
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order.append(n.name)
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for child in n.children:
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child.parents.remove(n)
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if len(child.parents) == 0:
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nodes.append(child)
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return "".join(order)
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def stillWorking(worker):
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for w in worker:
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if w.working:
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return True
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return False
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def part2(vals, numOfWorker):
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order = []
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time = 0
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nodes = getStartNodes(vals)
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worker = [Worker() for i in range(numOfWorker)]
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while nodes or stillWorking(worker):
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temp = []
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for w in worker:
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if not w.working:
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if len(nodes) == 0:
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continue
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else:
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n = selectNextNode(nodes)
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w.setNode(n)
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nodes.remove(n)
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if w.working:
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w.work()
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if not w.working:
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# finished working
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order.append(w.node.name)
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for child in w.node.children:
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child.parents.remove(w.node)
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if len(child.parents) == 0:
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temp.append(child)
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nodes += temp
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time += 1
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return time
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if __name__ == "__main__":
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vals = readFile()
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print(f"Part 1: {part1(vals)}")
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vals = readFile()
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print(f"Part 2: {part2(vals, 5)}")
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101
2018/input/day07.txt
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101
2018/input/day07.txt
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Step F must be finished before step Q can begin.
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Step A must be finished before step K can begin.
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Step K must be finished before step R can begin.
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Step D must be finished before step X can begin.
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Step L must be finished before step T can begin.
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Step V must be finished before step W can begin.
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Step J must be finished before step N can begin.
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Step B must be finished before step W can begin.
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Step X must be finished before step C can begin.
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Step W must be finished before step I can begin.
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Step Q must be finished before step P can begin.
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Step E must be finished before step M can begin.
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Step C must be finished before step N can begin.
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Step U must be finished before step O can begin.
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Step O must be finished before step R can begin.
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Step N must be finished before step Z can begin.
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Step R must be finished before step I can begin.
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Step G must be finished before step H can begin.
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Step T must be finished before step H can begin.
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Step M must be finished before step P can begin.
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Step Y must be finished before step I can begin.
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Step S must be finished before step Z can begin.
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Step I must be finished before step H can begin.
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Step H must be finished before step P can begin.
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Step P must be finished before step Z can begin.
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Step Y must be finished before step P can begin.
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Step A must be finished before step O can begin.
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Step V must be finished before step O can begin.
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Step G must be finished before step Y can begin.
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Step K must be finished before step B can begin.
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Step I must be finished before step P can begin.
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Step D must be finished before step L can begin.
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Step A must be finished before step P can begin.
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Step O must be finished before step T can begin.
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Step F must be finished before step C can begin.
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Step M must be finished before step S can begin.
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Step V must be finished before step Q can begin.
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Step G must be finished before step I can begin.
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Step O must be finished before step I can begin.
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Step N must be finished before step I can begin.
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Step E must be finished before step O can begin.
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Step N must be finished before step S can begin.
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Step J must be finished before step H can begin.
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Step C must be finished before step P can begin.
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Step E must be finished before step N can begin.
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Step T must be finished before step P can begin.
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Step A must be finished before step G can begin.
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Step A must be finished before step V can begin.
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Step C must be finished before step H can begin.
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Step A must be finished before step Y can begin.
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Step E must be finished before step U can begin.
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Step T must be finished before step Y can begin.
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Step Q must be finished before step S can begin.
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Step Y must be finished before step S can begin.
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Step E must be finished before step P can begin.
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Step N must be finished before step T can begin.
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Step T must be finished before step M can begin.
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Step Q must be finished before step M can begin.
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Step H must be finished before step Z can begin.
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Step D must be finished before step Y 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 R can begin.
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Step K must be finished before step N can begin.
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Step A must be finished before step W can begin.
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Step A must be finished before step H can begin.
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Step X must be finished before step G can begin.
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Step V must be finished before step J can begin.
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Step W must be finished before step C can begin.
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Step I must be finished before step Z can begin.
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Step V must be finished before step H can begin.
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Step R must be finished before step H can begin.
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Step U must be finished before step N can begin.
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Step O must be finished before step Z can begin.
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Step X must be finished before step S can begin.
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Step E must be finished before step G can begin.
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Step W must be finished before step U can begin.
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Step U must be finished before step G can begin.
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Step D must be finished before step Z can begin.
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Step E must be finished before step R can begin.
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Step L must be finished before step B can begin.
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Step B must be finished before step R can begin.
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Step G must be finished before step T can begin.
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Step F must be finished before step K can begin.
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Step R must be finished before step S can begin.
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Step J must be finished before step Z can begin.
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Step Q must be finished before step U can begin.
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Step X must be finished before step O can begin.
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Step F must be finished before step I can begin.
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Step W must be finished before step R can begin.
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Step W must be finished before step Y can begin.
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Step M must be finished before step Y can begin.
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Step S must be finished before step I can begin.
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Step F must be finished before step O can begin.
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Step C must be finished before step Y can begin.
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Step N must be finished before step G can begin.
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Step O must be finished before step S can begin.
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Step Q must be finished before step O can begin.
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Step K must be finished before step T can begin.
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Step X must be finished before step Z can begin.
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Step L must be finished before step N can begin.
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Step S must be finished before step P can begin.
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