Add SectorLambda

tool/lambda/tromp.c

@@ -0,0 +1,37 @@
+// Public Domain
+// Author: John Tromp
+// Source: IOCCC 2012
+#include "libc/runtime/runtime.h"
+#include "tool/lambda/lib/blc.h"
+
+#define A   500000
+#define X   8
+#define Int long
+
+// clang-format off
+
+       Int L[A],m,b,*D=A,
+        *c,*a=L,C,*U=L,u;s
+         (_){u--&&s(a=*a);}
+          char*B,I,O;S(){b=b
+           --?b:m|read(0,&I,1
+            )-1;return~I>>b&1;
+             }k(l,u){for(;l<=u;
+              U-L<A?*U++=46^l++[
+               "-,&,,/.--/,:-,'/"
+               ".-,-,,/.-,*,//..,"
+              ]:exit(5));}p(Int*m){
+             return!*U?*m=S()?U++,!S
+            ()?m[1]=p(++U),2:3:1,p(U)
+           :S()?U+=2:p(U[1]++),U-m;}x(
+          c){k(7*!b,9);*U++=b&&S();c&&x
+         (b);}d(Int*l){--l[1]||d(l[d(*l),
+        *l=B,B=l,2]);}main(e){for(k(10,33
+       ),a[4]-=m=e-2&7,a[23]=p(U),b=0;;e-2
+      ?e?e-3?s(D=a),C=a  [3],++1[a=a[2]],d(
+     D):c?D=c,c=*D,*D=    a,a=D:exit(L[C+1])
+    :C--<23?C=u+m&1?O      =O+O|C&1,9:write(m
+   ||(O=C+28),&O,1)+        1:(S(),x(0<b++?k(0,
+  6),U[-5]=96:0)):(          D=B?B:Calloc(4,X))
+ ?B=*D,*D=c,c=D,D[            2]=a,a[++D[1]]++,D
+[3]=++C+u:exit(6)              )e=L[C++],u=L[C];}