diff options
Diffstat (limited to 'users/sterni/exercises')
-rw-r--r-- | users/sterni/exercises/aoc/2022/16/16.k | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/users/sterni/exercises/aoc/2022/16/16.k b/users/sterni/exercises/aoc/2022/16/16.k new file mode 100644 index 000000000000..40d5ace60e84 --- /dev/null +++ b/users/sterni/exercises/aoc/2022/16/16.k @@ -0,0 +1,21 @@ +/ parsing +(f;r;t):+{x[1 4],,9_x^'","}'" "\' 0:"input" +(f;t):`s$''(f;t) +r:f!{`I$x[&(x<58)&47<x]}' r +g:f!t + +/ total flow scoring +tf: {+/+\{x,(30-#x)#0}((r.)'x)*`XX=':x} + +/ valves to open +vto: f^(=r).0; + +/ paths to keep after each step +best: {x[(1000&#x)#>tf'x]} + +p:{[n;ps] + ms:ps[&~fin:(#vto)={#?x[&`X=':x]}'ps]; + rt: best[ps[&fin],(ms[w],'(,*|)'ms[w:&{(0|/vto=l)&~|/0&':x=l:*|x}'ms]),,/{x,/:,'g[*|x]}' ms]; + $[n>1;o[n-1;rt];rt]} + +*tf'p[29;,,`AA] |