From 19f762a42eadbe6de4be06307cc9fd2aa56fd4a2 Mon Sep 17 00:00:00 2001 From: Alpha Chen Date: Wed, 9 Dec 2015 19:54:13 -0800 Subject: [PATCH] Day 7.1 --- Gemfile | 1 + Gemfile.lock | 8 ++ day_07.rb | 381 +++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 390 insertions(+) create mode 100644 day_07.rb diff --git a/Gemfile b/Gemfile index 52bf0ab..d0c1b96 100644 --- a/Gemfile +++ b/Gemfile @@ -1,3 +1,4 @@ source "https://rubygems.org" gem "minitest" +gem "pry" diff --git a/Gemfile.lock b/Gemfile.lock index df3e92e..6f0338c 100644 --- a/Gemfile.lock +++ b/Gemfile.lock @@ -1,13 +1,21 @@ GEM remote: https://rubygems.org/ specs: + coderay (1.1.0) + method_source (0.8.2) minitest (5.8.3) + pry (0.10.3) + coderay (~> 1.1.0) + method_source (~> 0.8.1) + slop (~> 3.4) + slop (3.6.0) PLATFORMS ruby DEPENDENCIES minitest + pry BUNDLED WITH 1.10.6 diff --git a/day_07.rb b/day_07.rb new file mode 100644 index 0000000..edab2d6 --- /dev/null +++ b/day_07.rb @@ -0,0 +1,381 @@ +BINDING = Hash.new {|h,k| h[k] = Expr.new(nil, [k], k) } +MEMOIZED = {} + +class Expr < Struct.new(*%i[ op inputs output ]) + def reduced + return MEMOIZED[output] if MEMOIZED[output] + + result = case op + when nil + input = inputs[0] + (input =~ /^\d+$/) ? input.to_i : BINDING[input].reduced + when "NOT" + ~reduced_inputs[0] % 65536 + when "OR" + reduced_inputs[0] | reduced_inputs[1] + when "AND" + reduced_inputs[0] & reduced_inputs[1] + when "RSHIFT" + reduced_inputs[0] >> reduced_inputs[1] + when "LSHIFT" + reduced_inputs[0] << reduced_inputs[1] + else + fail "WTF? #{op}" + end + MEMOIZED[output] = result + end + + def reduced_inputs + inputs.map {|input| BINDING[input].reduced } + end +end + +DATA.read.scan(/(.+) -> (.+)/) do |input, output| + inputs = input.split(" ") + op = inputs[-2] + inputs.delete(op) + BINDING[output] = Expr.new(op, inputs, output) +end + +puts BINDING["a"].reduced + +__END__ +NOT dq -> dr +kg OR kf -> kh +ep OR eo -> eq +44430 -> b +NOT gs -> gt +dd OR do -> dp +eg AND ei -> ej +y AND ae -> ag +jx AND jz -> ka +lf RSHIFT 2 -> lg +z AND aa -> ac +dy AND ej -> el +bj OR bi -> bk +kk RSHIFT 3 -> km +NOT cn -> co +gn AND gp -> gq +cq AND cs -> ct +eo LSHIFT 15 -> es +lg OR lm -> ln +dy OR ej -> ek +NOT di -> dj +1 AND fi -> fj +kf LSHIFT 15 -> kj +NOT jy -> jz +NOT ft -> fu +fs AND fu -> fv +NOT hr -> hs +ck OR cl -> cm +jp RSHIFT 5 -> js +iv OR jb -> jc +is OR it -> iu +ld OR le -> lf +NOT fc -> fd +NOT dm -> dn +bn OR by -> bz +aj AND al -> am +cd LSHIFT 15 -> ch +jp AND ka -> kc +ci OR ct -> cu +gv AND gx -> gy +de AND dk -> dm +x RSHIFT 5 -> aa +et RSHIFT 2 -> eu +x RSHIFT 1 -> aq +ia OR ig -> ih +bk LSHIFT 1 -> ce +y OR ae -> af +NOT ca -> cb +e AND f -> h +ia AND ig -> ii +ck AND cl -> cn +NOT jh -> ji +z OR aa -> ab +1 AND en -> eo +ib AND ic -> ie +NOT eh -> ei +iy AND ja -> jb +NOT bb -> bc +ha OR gz -> hb +1 AND cx -> cy +NOT ax -> ay +ev OR ew -> ex +bn RSHIFT 2 -> bo +er OR es -> et +eu OR fa -> fb +jp OR ka -> kb +ea AND eb -> ed +k AND m -> n +et RSHIFT 3 -> ev +et RSHIFT 5 -> ew +hz RSHIFT 1 -> is +ki OR kj -> kk +NOT h -> i +lv LSHIFT 15 -> lz +as RSHIFT 1 -> bl +hu LSHIFT 15 -> hy +iw AND ix -> iz +lf RSHIFT 1 -> ly +fp OR fv -> fw +1 AND am -> an +ap LSHIFT 1 -> bj +u LSHIFT 1 -> ao +b RSHIFT 5 -> f +jq AND jw -> jy +iu RSHIFT 3 -> iw +ih AND ij -> ik +NOT iz -> ja +de OR dk -> dl +iu OR jf -> jg +as AND bd -> bf +b RSHIFT 3 -> e +jq OR jw -> jx +iv AND jb -> jd +cg OR ch -> ci +iu AND jf -> jh +lx -> a +1 AND cc -> cd +ly OR lz -> ma +NOT el -> em +1 AND bh -> bi +fb AND fd -> fe +lf OR lq -> lr +bn RSHIFT 3 -> bp +bn AND by -> ca +af AND ah -> ai +cf LSHIFT 1 -> cz +dw OR dx -> dy +gj AND gu -> gw +jg AND ji -> jj +jr OR js -> jt +bl OR bm -> bn +gj RSHIFT 2 -> gk +cj OR cp -> cq +gj OR gu -> gv +b OR n -> o +o AND q -> r +bi LSHIFT 15 -> bm +dy RSHIFT 1 -> er +cu AND cw -> cx +iw OR ix -> iy +hc OR hd -> he +0 -> c +db OR dc -> dd +kk RSHIFT 2 -> kl +eq LSHIFT 1 -> fk +dz OR ef -> eg +NOT ed -> ee +lw OR lv -> lx +fw AND fy -> fz +dz AND ef -> eh +jp RSHIFT 3 -> jr +lg AND lm -> lo +ci RSHIFT 2 -> cj +be AND bg -> bh +lc LSHIFT 1 -> lw +hm AND ho -> hp +jr AND js -> ju +1 AND io -> ip +cm AND co -> cp +ib OR ic -> id +NOT bf -> bg +fo RSHIFT 5 -> fr +ip LSHIFT 15 -> it +jt AND jv -> jw +jc AND je -> jf +du OR dt -> dv +NOT fx -> fy +aw AND ay -> az +ge LSHIFT 15 -> gi +NOT ak -> al +fm OR fn -> fo +ff AND fh -> fi +ci RSHIFT 5 -> cl +cz OR cy -> da +NOT ey -> ez +NOT ju -> jv +NOT ls -> lt +kk AND kv -> kx +NOT ii -> ij +kl AND kr -> kt +jk LSHIFT 15 -> jo +e OR f -> g +NOT bs -> bt +hi AND hk -> hl +hz OR ik -> il +ek AND em -> en +ao OR an -> ap +dv LSHIFT 1 -> ep +an LSHIFT 15 -> ar +fo RSHIFT 1 -> gh +NOT im -> in +kk RSHIFT 1 -> ld +hw LSHIFT 1 -> iq +ec AND ee -> ef +hb LSHIFT 1 -> hv +kb AND kd -> ke +x AND ai -> ak +dd AND do -> dq +aq OR ar -> as +iq OR ip -> ir +dl AND dn -> do +iu RSHIFT 5 -> ix +as OR bd -> be +NOT go -> gp +fk OR fj -> fl +jm LSHIFT 1 -> kg +NOT cv -> cw +dp AND dr -> ds +dt LSHIFT 15 -> dx +et RSHIFT 1 -> fm +dy RSHIFT 3 -> ea +fp AND fv -> fx +NOT p -> q +dd RSHIFT 2 -> de +eu AND fa -> fc +ba AND bc -> bd +dh AND dj -> dk +lr AND lt -> lu +he RSHIFT 1 -> hx +ex AND ez -> fa +df OR dg -> dh +fj LSHIFT 15 -> fn +NOT kx -> ky +gk OR gq -> gr +dy RSHIFT 2 -> dz +gh OR gi -> gj +lj AND ll -> lm +x OR ai -> aj +bz AND cb -> cc +1 AND lu -> lv +as RSHIFT 3 -> au +ce OR cd -> cf +il AND in -> io +dd RSHIFT 1 -> dw +NOT lo -> lp +c LSHIFT 1 -> t +dd RSHIFT 3 -> df +dd RSHIFT 5 -> dg +lh AND li -> lk +lf RSHIFT 5 -> li +dy RSHIFT 5 -> eb +NOT kt -> ku +at OR az -> ba +x RSHIFT 3 -> z +NOT lk -> ll +lb OR la -> lc +1 AND r -> s +lh OR li -> lj +ln AND lp -> lq +kk RSHIFT 5 -> kn +ea OR eb -> ec +ci AND ct -> cv +b RSHIFT 2 -> d +jp RSHIFT 1 -> ki +NOT cr -> cs +NOT jd -> je +jp RSHIFT 2 -> jq +jn OR jo -> jp +lf RSHIFT 3 -> lh +1 AND ds -> dt +lf AND lq -> ls +la LSHIFT 15 -> le +NOT fg -> fh +at AND az -> bb +au AND av -> ax +kw AND ky -> kz +v OR w -> x +kk OR kv -> kw +ks AND ku -> kv +kh LSHIFT 1 -> lb +1 AND kz -> la +NOT kc -> kd +x RSHIFT 2 -> y +et OR fe -> ff +et AND fe -> fg +NOT ac -> ad +jl OR jk -> jm +1 AND jj -> jk +bn RSHIFT 1 -> cg +NOT kp -> kq +ci RSHIFT 3 -> ck +ev AND ew -> ey +1 AND ke -> kf +cj AND cp -> cr +ir LSHIFT 1 -> jl +NOT gw -> gx +as RSHIFT 2 -> at +iu RSHIFT 1 -> jn +cy LSHIFT 15 -> dc +hg OR hh -> hi +ci RSHIFT 1 -> db +au OR av -> aw +km AND kn -> kp +gj RSHIFT 1 -> hc +iu RSHIFT 2 -> iv +ab AND ad -> ae +da LSHIFT 1 -> du +NOT bw -> bx +km OR kn -> ko +ko AND kq -> kr +bv AND bx -> by +kl OR kr -> ks +1 AND ht -> hu +df AND dg -> di +NOT ag -> ah +d OR j -> k +d AND j -> l +b AND n -> p +gf OR ge -> gg +gg LSHIFT 1 -> ha +bn RSHIFT 5 -> bq +bo OR bu -> bv +1 AND gy -> gz +s LSHIFT 15 -> w +NOT ie -> if +as RSHIFT 5 -> av +bo AND bu -> bw +hz AND ik -> im +bp AND bq -> bs +b RSHIFT 1 -> v +NOT l -> m +bp OR bq -> br +g AND i -> j +br AND bt -> bu +t OR s -> u +hz RSHIFT 5 -> ic +gk AND gq -> gs +fl LSHIFT 1 -> gf +he RSHIFT 3 -> hg +gz LSHIFT 15 -> hd +hf OR hl -> hm +1 AND gd -> ge +fo OR fz -> ga +id AND if -> ig +fo AND fz -> gb +gr AND gt -> gu +he OR hp -> hq +fq AND fr -> ft +ga AND gc -> gd +fo RSHIFT 2 -> fp +gl OR gm -> gn +hg AND hh -> hj +NOT hn -> ho +gl AND gm -> go +he RSHIFT 5 -> hh +NOT gb -> gc +hq AND hs -> ht +hz RSHIFT 3 -> ib +hz RSHIFT 2 -> ia +fq OR fr -> fs +hx OR hy -> hz +he AND hp -> hr +gj RSHIFT 5 -> gm +hf AND hl -> hn +hv OR hu -> hw +NOT hj -> hk +gj RSHIFT 3 -> gl +fo RSHIFT 3 -> fq +he RSHIFT 2 -> hf