From 1ba60f272d94629dfa1219b11464596f295e5d67 Mon Sep 17 00:00:00 2001
From: Christian Neukirchen <chneukirchen@gmail.com>
Date: Mon, 7 Dec 2015 15:44:45 +0100
Subject: day3/5: monadic ? is uniq already.

---
 day3.k | 9 ++++-----
 day5.k | 3 +--
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/day3.k b/day3.k
index f4e8791..92812cc 100644
--- a/day3.k
+++ b/day3.k
@@ -1,10 +1,9 @@
 d: *0:"day3";
 / with case z:{:[x=">";1 0;x="<";-1 0;x="^";0 1;x="v";0 -1; 0 0]}'d;
 z: (1 0;-1 0;0 1;0 -1) @ "<>^v"?/:d;
-u: {x@*:'=x};
-r: u@ +\ (, 0 0) , z;
-#r
+r: +\ (, 0 0) , z;
+#?r
 
 z2: + -1 2 # z; / alternating split
-r2: u@ ,/ +\' (,0 0) ,/: z2;
-#r2
+r2: ,/ +\' (,0 0) ,/: z2;
+#?r2
diff --git a/day5.k b/day5.k
index 938d43c..09fef93 100644
--- a/day5.k
+++ b/day5.k
@@ -7,9 +7,8 @@ r3: {~#,/x _ss ("ab";"cd";"pq";"xy")}; / no ab/cd/pq/xy
 #&(r3'd)&(r2'd)&(r1'd)
 
 bg: {[s]{x;2#(x-1) _ s}'1+!#s}; / bigrams
-u: {x@*:'=x}; / uniq
 
-r4: {0<#&1<#:' x _ss u@bg x}; / duplicate bigram
+r4: {0<#&1<#:' x _ss ?bg x}; / duplicate bigram
 r5: {0<#&(-2_ x)=(2_ x)}; / matches (.).\1
 
 #&(r4'd)&(r5'd)
-- 
cgit 1.4.1