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Jo Wood
Professor of Visual Analytics interested in design, geovisualization, visual storytelling and computational thinking.
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Ξ🎄Advent of Code 2016
By
Jo Wood
Edited
May 5, 2023
1 fork
1 star
Insert cell
Insert cell
Insert cell
function
parse
(
input
)
{
return
input
.
split
(
"\n"
)
.
map
(
(
l
)
=>
l
.
trim
(
)
.
split
(
/\s+/
)
.
map
(
(
s
)
=>
Number
(
s
)
)
)
;
}
Insert cell
Insert cell
function
countTriangles
(
sides
)
{
let
validTriangles
=
0
;
for
(
let
triangle
of
sides
)
{
const
[
a
,
b
,
c
]
=
triangle
.
sort
(
(
a
,
b
)
=>
a
-
b
)
;
validTriangles
+=
a
+
b
>
c
?
1
:
0
;
}
return
validTriangles
;
}
Insert cell
function
part1
(
input
)
{
return
countTriangles
(
parse
(
input
)
)
;
}
Insert cell
part1
(
puzzleInput
)
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Insert cell
Insert cell
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function
transposed
(
input
)
{
const
triangleM
=
parse
(
input
)
;
let
transposedM
=
triangleM
[
0
]
.
map
(
(
_
,
i
)
=>
triangleM
.
map
(
(
row
)
=>
row
[
i
]
)
)
;
return
AOC
.
chunk
(
transposedM
.
flat
(
)
,
3
)
;
}
Insert cell
function
part2
(
input
)
{
return
countTriangles
(
transposed
(
input
)
)
;
}
Insert cell
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parse
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countTriangles
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part1
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transposed
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part2
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puzzleInput
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