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# -*- coding: utf-8 -*-
import sys
def abs(x):
if x < 0:
return -x
else:
return x
class Grid:
def __init__(self, rows, columns):
self.rows = rows
self.columns = columns
self.grid = [[None]*columns]*rows
class Vehicle:
def __init__(self):
self.x = 0
self.y = 0
self.ride = None
self.occupied = False
self.completed_rides = []
def head_towards(self, pos):
x = pos[0]
y = pos[1]
if self.x < x:
self.x += 1
elif self.x > x:
self.x -= 1
elif self.y < y:
self.y += 1
elif self.y > y:
self.y -= 1
def completed_ride(self):
print("Actual/Goal: ", (self.x, self.y), self.ride.finish)
return self.x == self.ride.finish[0] and self.y == self.ride.finish[1]
def is_at_startpoint(self):
return self.x == self.ride.start[0] and self.y == self.ride.start[1]
def tostr(self):
return "Vehicle at " + str(self.x) + "," + str(self.y)
class Ride:
def __init__(self, index, start, finish, earliest_start, latest_finish):
self.index = index
self.skipable = False
self.start = start
self.finish = finish
self.earliest_start = earliest_start
self.latest_finish = latest_finish
self.left_steps = abs(start[0] - finish[0]) + abs(start[1] - finish[1])
self.completed = False
class Task:
def __init__(self, filename):
self.filename = filename
self.parsed_file = self.__split()
self.grid = Grid(int(self.parsed_file[0][0]), int(self.parsed_file[0][1]))
self.rides = []
self.vehicles_count = int(self.parsed_file[0][2])
for x in range(1, len(self.parsed_file)):
y = self.parsed_file[x]
self.rides.append(
Ride(x,
(int(y[0]), int(y[1])),
(int(y[2]), int(y[3])),
int(y[4]),
int(y[5])
)
)
def __split(self):
with open(self.filename, "r") as input:
return [x.split(" ") for x in input.read().splitlines()]
def simulate_dumb(self):
step = 1
for r in self.rides:
r.active = False
self.vehicles = []
for i in range(self.vehicles_count):
self.vehicles.append(Vehicle())
while len(self.rides) != 0:
print("===STEP", step)
for r in range(len(self.rides)):
print(self.rides[r].left_steps)
if step > 100:
break
# STEP FUNCTION
print("List of rides:")
for r in self.rides:
print(r.index)
# Which Vehicle to take for which ride next?
step += 1
for r in range(len(self.rides)):
if not self.rides[r].active:
for v in range(len(self.vehicles)):
if not self.vehicles[v].occupied:
self.vehicles[v].occupied = True
self.vehicles[v].ride = self.rides[r]
self.vehicles[v].ride.active = True
print("taking vehicle", v, "for ride", r+1)
print("start:", self.rides[r].start, "finish", self.rides[r].finish)
break
for v in range(len(self.vehicles)):
line = self.vehicles[v].tostr()
if self.vehicles[v].ride is not None:
line += " with ride " + str(self.vehicles[v].ride.index)
print(line)
# Move forward
for v in range(len(self.vehicles)):
if self.vehicles[v].ride is not None:
if not self.vehicles[v].ride.active:
print("Not active: ", v)
if self.vehicles[v].is_at_startpoint():
# Wait at starting point, then activate the ride
if step >= self.vehicles[v].ride.earliest_start:
self.rides[r].active = True
else:
self.vehicles[v].head_towards(self.vehicles[v].ride.start)
elif not self.vehicles[v].completed_ride():
self.vehicles[v].head_towards(self.vehicles[v].ride.finish)
x = self.vehicles[v].x
y = self.vehicles[v].y
finish = self.vehicles[v].ride.finish
self.rides[r].left_steps = abs(x - finish[0]) + abs(y - finish[1])
elif self.vehicles[v].completed_ride():
print(print(self.vehicles[v].tostr() + " has not moved because it has reached target"))
print("Ride", self.vehicles[v].ride.index, "is completed")
self.vehicles[v].ride.active = False
self.vehicles[v].occupied = False
self.vehicles[v].completed_rides += [self.vehicles[v].ride]
self.vehicles[v].ride = None
self.rides[r].left_steps = 0
self.rides[r].completed = True
# ToDo Points
for r in reversed(range(len(self.rides))):
if not self.rides[r].active:
if self.rides[r].completed:
print("Delete ", r+1)
del(self.rides[r])
print("List of rides:")
for r in self.rides:
print(r.index)
if __name__ == "__main__":
asd = Task(sys.argv[1])
asd.simulate_dumb()
print("Vehicles:", len(asd.vehicles))
for v in range(len(asd.vehicles)):
line = str(v+1)
for r in asd.vehicles[v].completed_rides:
line += " " + str(r.index)
print(line)
# vim: tabstop=8 softtabstop=0 expandtab shiftwidth=4 smarttab
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