From 53f2b9aec4ce2f3a03cf8e59bd83de46777ddc56 Mon Sep 17 00:00:00 2001
From: Joshua Seigler <seigler@users.noreply.github.com>
Date: Mon, 6 Dec 2021 11:40:44 -0500
Subject: [PATCH] multiple improvements, day 5 progress

---
 2021/day01.js | 2 +-
 2021/day02.js | 2 +-
 2021/day03.js | 3 +++
 2021/day05.js | 2 +-
 2021/day06.js | 2 +-
 5 files changed, 7 insertions(+), 4 deletions(-)
 create mode 100644 2021/day03.js

diff --git a/2021/day01.js b/2021/day01.js
index ddb16ae..e3cd570 100644
--- a/2021/day01.js
+++ b/2021/day01.js
@@ -1 +1 @@
-d=$('body').innerText.trim().split`\n`;t=(d,n)=>d.reduce((a,x,i)=>a+(+x>d[i-n]),0);[t(d,1),t(d,3)]
\ No newline at end of file
+d=$('pre').innerText.trim().split`\n`;t=(d,n)=>d.reduce((a,x,i)=>a+(+x>d[i-n]),0);[t(d,1),t(d,3)]
\ No newline at end of file
diff --git a/2021/day02.js b/2021/day02.js
index 3322802..c8be2dd 100644
--- a/2021/day02.js
+++ b/2021/day02.js
@@ -1 +1 @@
-d=$('body').innerText.trim().split`\n`.map(l=>l.split` `);[(j=d.reduce((a,[c,v])=>({f:a=>v=>(a.h+=v,a),d:a=>v=>(a.d+=v,a),u:a=>v=>(a.d-=v,a)}[c[0]](a)(+v)),{h:0,d:0}),j.h*j.d),(k=d.reduce((a,[c,v])=>({f:a=>v=>(a.h+=v,a.d+=a.a*v,a),d:a=>v=>(a.a+=v,a),u:a=>v=>(a.a-=v,a)}[c[0]](a)(+v)),{h:0,d:0,a:0}),k.h*k.d)]
\ No newline at end of file
+d=$('pre').innerText.trim().split`\n`.map(l=>l.split` `);[(j=d.reduce((a,[c,v])=>({f:a=>v=>(a.h+=v,a),d:a=>v=>(a.d+=v,a),u:a=>v=>(a.d-=v,a)}[c[0]](a)(+v)),{h:0,d:0}),j.h*j.d),(k=d.reduce((a,[c,v])=>({f:a=>v=>(a.h+=v,a.d+=a.a*v,a),d:a=>v=>(a.a+=v,a),u:a=>v=>(a.a-=v,a)}[c[0]](a)(+v)),{h:0,d:0,a:0}),k.h*k.d)]
\ No newline at end of file
diff --git a/2021/day03.js b/2021/day03.js
new file mode 100644
index 0000000..f31ac6e
--- /dev/null
+++ b/2021/day03.js
@@ -0,0 +1,3 @@
+I=$('pre').innerText.trim().split`\n`;O=[];I.map(l=>[...l].map((x, i)=>{if(+x)O[i]=(O[i]||0)+1}))
+g=t=>parseInt(O.reduce((a,p)=>a+(t^(p<I.length/2)?0:1),""),2);
+[g(0)*g(1)]// just day 1 so far
\ No newline at end of file
diff --git a/2021/day05.js b/2021/day05.js
index 934ded8..881eee8 100644
--- a/2021/day05.js
+++ b/2021/day05.js
@@ -1 +1 @@
-s=Math.sign,S=D=>(V=new Map(),$`pre`.innerText.trim().split`\n`.map(l=>l.split(/ -> |,/).map(x=>+x)).map(([a,b,c,d])=>{for(X=s(c-a),Y=s(d-b),x=a,y=b;!(D*X*Y)&(x!=c+X|y!=d+Y);x+=X,y+=Y){k=`${x},${y}`;V.set(k,(V.get(k)||0)+1)}}),[...V.values()].filter(x=>x>1).length);[S(1),S()]
\ No newline at end of file
+s=Math.sign,S=D=>(V=new Map(),$('pre').innerText.trim().split`\n`.map(l=>l.split(/ -> |,/).map(x=>+x)).map(([a,b,c,d])=>{for(X=s(c-a),Y=s(d-b),x=a,y=b;!(D*X*Y)&(x!=c+X|y!=d+Y);x+=X,y+=Y){k=`${x},${y}`;V.set(k,(V.get(k)||0)+1)}}),[...V.values()].filter(x=>x>1).length);[S(1),S()]
\ No newline at end of file
diff --git a/2021/day06.js b/2021/day06.js
index 0573019..873b24a 100644
--- a/2021/day06.js
+++ b/2021/day06.js
@@ -1 +1 @@
-[80,256].map(d=>{B=Array(9).fill(0);$`pre`.innerText.trim().split`,`.map(f=>B[+f]++);for(i=0;i<d;i++){B[(7+i)%9]+=B[i%9]};return B.reduce((a,x)=>a+x,0)})
\ No newline at end of file
+[80,256].map(d=>{B=Array(9).fill(0);$('pre').innerText.trim().split`,`.map(f=>B[+f]++);for(i=0;++i<d;){B[(7+i)%9]+=B[i%9]};return B.reduce((a,x)=>a+x,0)})
\ No newline at end of file