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-rw-r--r--users/sterni/exercises/aoc/2022/16/16.k21
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
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+/ 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]