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Maya Gans
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Published
Advent of Code 2021
By
Maya Gans
Edited
Dec 7, 2021
Insert cell
Insert cell
Insert cell
Insert cell
totals
=
{
let
totals
=
[
]
for
(
var
i
=
0
;
i
<
h
.
length
;
i
++
)
{
totals
=
totals
.
concat
(
h
.
map
(
x
=>
Math
.
abs
(
x
-
i
)
)
.
reduce
(
(
a
,
c
)
=>
a
+
c
)
)
}
return
totals
}
Insert cell
Insert cell
min
=
Math
.
min
(
...
totals
)
Insert cell
triangles
=
{
let
totals
=
[
]
for
(
var
i
=
0
;
i
<
h
.
length
;
i
++
)
{
totals
=
totals
.
concat
(
h
.
map
(
x
=>
triangular
(
Math
.
abs
(
x
-
i
)
)
)
.
reduce
(
(
a
,
c
)
=>
a
+
c
)
)
}
return
totals
}
Insert cell
Insert cell
Insert cell
triangles
.
map
(
(
x
,
i
)
=>
{
return
{
x
:
x
,
i
:
i
}
}
)
Insert cell
Math
.
min
(
...
triangles
)
Insert cell
Insert cell
function
triangular
(
value
)
{
var
abs
=
Math
.
abs
(
value
)
;
return
(
(
abs
/
2
)
*
(
abs
+
1
)
)
*
(
abs
/
value
)
||
0
;
}
;
Insert cell
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