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Kristian Vaula Jensen
Algoritmer og datastrukturer
Commits
fe5a7f53
Commit
fe5a7f53
authored
3 years ago
by
Jacob Theisen
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parent
4fc2c398
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master
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ov9/program1.py
+80
-43
80 additions, 43 deletions
ov9/program1.py
with
80 additions
and
43 deletions
ov9/program1.py
+
80
−
43
View file @
fe5a7f53
import
sys
from
queue
import
PriorityQueue
import
timeit
class
int_points
(
object
):
def
__init__
(
self
,
id
,
type
,
name
):
...
...
@@ -32,45 +32,51 @@ class results(object):
#prep nodes
with
open
(
'
./test_files/noder.txt.1
'
,
'
r
'
)
as
file
:
node_file
=
file
.
read
()
node_file
=
node_file
.
split
()
num_of_nodes
=
int
(
node_file
[
0
])
node_file
.
pop
(
0
)
node_arr
=
[]
for
i
in
range
(
0
,
len
(
node_file
),
3
):
#nodenr breddegrad lengdegrad
node_arr
.
append
(
nodes
(
int
(
node_file
[
i
]),
float
(
node_file
[
i
+
1
]),
float
(
node_file
[
i
+
2
])))
start
=
timeit
.
default_timer
()
with
open
(
'
./noder.txt
'
,
'
r
'
)
as
file
:
for
i
in
file
:
i
=
i
.
split
()
if
len
(
i
)
==
1
:
num_of_nodes
=
int
(
i
[
0
])
else
:
node_arr
.
append
(
nodes
(
int
(
i
[
0
]),
float
(
i
[
1
]),
float
(
i
[
2
])))
#prep edges
with
open
(
'
./test_files/kanter.txt.1
'
,
'
r
'
)
as
file
:
edge_file
=
file
.
read
()
slutt
=
timeit
.
default_timer
()
print
(
'
nodes loaded correct in:
'
,
slutt
-
start
)
edge_file
=
edge_file
.
split
()
num_of_edges
=
int
(
edge_file
[
0
])
edge_file
.
pop
(
0
)
edge_arr
=
[]
for
i
in
range
(
0
,
len
(
edge_file
),
5
):
#franode tilnode kjøretid lengde fartsgrense
edge_arr
.
append
(
edges
(
int
(
edge_file
[
i
]),
int
(
edge_file
[
i
+
1
]),
int
(
edge_file
[
i
+
2
]),
int
(
edge_file
[
i
+
3
]),
int
(
edge_file
[
i
+
4
])))
#prep intresting
with
open
(
'
./test_files/interessepkt.txt.1
'
,
'
r
'
)
as
file
:
intresting_file
=
file
.
read
()
#prep edges
start
=
timeit
.
default_timer
()
with
open
(
'
./kanter.txt
'
,
'
r
'
)
as
file
:
for
i
in
file
:
i
=
i
.
split
()
if
len
(
i
)
==
1
:
num_of_edges
=
int
(
i
[
0
])
else
:
edge_arr
.
append
(
edges
(
int
(
i
[
0
]),
int
(
i
[
1
]),
int
(
i
[
2
]),
int
(
i
[
3
]),
int
(
i
[
4
])))
slutt
=
timeit
.
default_timer
()
print
(
'
edges loaded correct in:
'
,
slutt
-
start
)
intresting_file
=
intresting_file
.
split
(
'
\n
'
)
num_of_intresting
=
int
(
intresting_file
[
0
])
intresting_file
.
pop
(
0
)
#prep intresting
intresting_arr
=
[]
for
i
in
range
(
len
(
intresting_file
)):
#nodenr kode "Navn på stedet"
tmp_values
=
intresting_file
[
i
].
split
()
intresting_arr
.
append
(
int_points
(
int
(
tmp_values
[
0
]),
int
(
tmp_values
[
1
]),
'
'
.
join
(
tmp_values
[
2
:])))
start
=
timeit
.
default_timer
()
with
open
(
'
./interessepkt.txt
'
,
'
r
'
)
as
file
:
for
i
in
file
:
i
=
i
.
split
()
if
len
(
i
)
==
1
:
num_of_intresting
=
int
(
i
[
0
])
else
:
try
:
intresting_arr
.
append
(
int_points
(
int
(
i
[
0
]),
int
(
i
[
1
]),
'
'
.
join
(
i
[
2
:])))
except
:
print
(
i
)
exit
()
slutt
=
timeit
.
default_timer
()
print
(
'
int_points loaded correct in:
'
,
slutt
-
start
)
max_num
=
max
(
edge_arr
,
key
=
lambda
item
:
item
.
time
)
res_arr
=
[]
...
...
@@ -88,18 +94,27 @@ def rec_func2(node, global_fra):
path
.
append
(
node
.
node
)
return
path
def
find_bensin
(
arr
):
with
open
(
'
./bensin.csv
'
,
'
w
'
)
as
file
:
print
(
'
bensin to be found on disse benserne:
'
)
for
u
in
arr
:
a
=
next
(
a
for
a
in
node_arr
if
str
(
a
.
node
)
==
str
(
u
.
id
))
print
(
u
.
name
)
file
.
write
(
f
'
{
a
.
bredde
}
,
{
a
.
lengde
}
\n
'
)
return
end_que
=
PriorityQueue
()
queue
=
PriorityQueue
()
we_soon_to_be_done
=
False
def
dijkstras
(
slutt
,
start
):
def
dijkstras
(
slutt
,
start
,
bensin
):
global
we_soon_to_be_done
global
queue
node_count
=
0
bensin_arr
=
[]
while
queue
or
not
end_que
.
empty
:
node_count
+=
1
if
node_count
%
100
==
0
:
print
(
node_count
)
if
node_count
%
(
num_of_nodes
//
100
)
==
0
:
print
(
f
'
searched
{
node_count
/
(
num_of_nodes
//
100
)
}
% of nodes
'
)
if
we_soon_to_be_done
:
tmp_que_item
=
end_que
.
get
()
current_node
=
[
b
for
b
in
res_arr
if
b
.
node
==
tmp_que_item
][
0
]
...
...
@@ -107,21 +122,28 @@ def dijkstras(slutt, start):
tmp_que_item
=
queue
.
get
()
current_node
=
[
b
for
b
in
res_arr
if
b
.
total_time
==
tmp_que_item
and
b
.
in_que
][
0
]
if
current_node
.
total_time
==
422488
:
print
(
'
ye
'
,
node_count
)
for
tmp_edge
in
edge_arr
:
if
tmp_edge
.
fra
==
current_node
.
node
:
current_neighbour
=
[
a
for
a
in
res_arr
if
a
.
node
==
tmp_edge
.
til
][
0
]
if
not
current_neighbour
.
visited
and
not
current_neighbour
.
in_que
:
current_neighbour
.
total_time
=
current_node
.
total_time
+
tmp_edge
.
time
current_neighbour
.
prev
=
current_node
.
node
if
tmp_edge
.
til
==
slutt
:
if
bensin
:
a
=
next
((
a
for
a
in
intresting_arr
if
a
.
id
==
current_neighbour
.
node
),
-
1
)
if
a
!=
-
1
:
if
a
.
type
==
2
:
print
(
f
'
en benser er funnet:
{
a
.
name
}
'
)
bensin_arr
.
append
(
a
)
if
len
(
bensin_arr
)
>=
10
:
find_bensin
(
bensin_arr
)
break
if
tmp_edge
.
til
==
slutt
and
not
bensin
:
current_node
.
visited
=
True
current_node
.
in_que
=
False
we_soon_to_be_done
=
True
end_que
.
put
(
tmp_edge
.
til
)
else
:
if
tmp_edge
.
fra
==
slutt
:
if
tmp_edge
.
fra
==
slutt
and
not
bensin
:
end_que
.
put
(
tmp_edge
.
til
)
else
:
current_neighbour
.
in_que
=
True
...
...
@@ -140,13 +162,17 @@ def dijkstras(slutt, start):
print
(
'
Done mapping, calcualting result
'
)
end_node
=
[
b
for
b
in
res_arr
if
b
.
node
==
slutt
][
0
]
travel_arr
=
rec_func2
(
end_node
,
start
)
travel_arr
=
reversed
(
travel_arr
)
travel_arr
=
list
(
reversed
(
travel_arr
)
)
print
(
f
'
total time:
{
end_node
.
total_time
}
\n
shortest path:
{
"
->
"
.
join
(
str
(
v
)
for
v
in
travel_arr
)
}
'
)
count
=
0
for
i
in
res_arr
:
if
i
.
total_time
!=
max_num
.
time
+
1
:
count
+=
1
print
(
'
total nodes added to map:
'
,
count
)
with
open
(
'
./path.csv
'
,
'
w
'
)
as
file
:
for
noob
in
travel_arr
:
a
=
next
(
a
for
a
in
node_arr
if
str
(
a
.
node
)
==
str
(
noob
))
file
.
write
(
f
'
{
a
.
bredde
}
,
{
a
.
lengde
}
\n
'
)
break
else
:
if
we_soon_to_be_done
:
...
...
@@ -163,14 +189,25 @@ def init_things():
if
len
(
sys
.
argv
)
>
1
:
if
sys
.
argv
[
1
]
==
'
-d
'
:
#node_id
start
=
6368906
slutt
=
6789998
start
=
20
slutt
=
400
init_table
()
queue
.
put
(
0
)
start_node
=
next
(
a
for
a
in
res_arr
if
a
.
node
==
start
)
start_node
.
total_time
=
0
start_node
.
in_que
=
True
dijkstras
(
slutt
,
start
)
if
len
(
sys
.
argv
)
>
2
:
if
sys
.
argv
[
2
]
==
'
-b
'
:
print
(
'
les go bensin
'
)
start
=
timeit
.
default_timer
()
dijkstras
(
slutt
,
start
,
True
)
slutt
=
timeit
.
default_timer
()
print
(
f
'
total time for locating bensin is:
{
slutt
-
start
}
'
)
else
:
start
=
timeit
.
default_timer
()
dijkstras
(
slutt
,
start
,
False
)
slutt
=
timeit
.
default_timer
()
print
(
f
'
total time for locating path is:
{
slutt
-
start
}
'
)
elif
sys
.
argv
[
1
]
==
'
-a
'
:
print
(
'
A* not yet implemented
'
)
else
:
...
...
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