progress.yaml

@@ -11,6 +11,4 @@
 6:
   stars: 2
 7:
-  stars: 2
+  stars: 2
-8:
-  stars: 1

res/examples/day8.txt

@@ -1,12 +0,0 @@
-............
-........0...
-.....0......
-.......0....
-....0.......
-......A.....
-............
-............
-........A...
-.........A..
-............
-............

src/day3/puzzle1.typ

@@ -1,8 +1,7 @@
 #import "/src/utils.typ": *
 
-#let reg = regex("mul\((\d{1,3}),(\d{1,3})\)")
 #let solve(input) = {
-  let matches = input.matches(reg)
+  let matches = input.matches(regex("mul\((\d{1,3}),(\d{1,3})\)"))
   let total = matches.map(m => {
     m.captures.map(int)
               .product()
@@ -10,24 +9,8 @@
   return total
 }
 
-#let visualize(input) = {
-  [
-    #set text(size: 1.2em)
-    #show reg: it => {
-      let m = it.text.match(reg)
-      let v = m.captures.map(int).product()
-      math.underbrace(
-        highlight(fill: red, raw(it.text)),
-        text(size: 1.5em, str(v))
-      )
-    }
-    #raw(input)
-  ]
-}
-
 #show-puzzle(
   3, 1,
   solve,
-  example: ("1": 161),
+  example: ("1": 161)
-  visualize: visualize
 )

src/day5/puzzle1.typ

@@ -1,5 +1,4 @@
 #import "/src/utils.typ": *
-#import "@preview/cetz:0.3.1": canvas, draw
 
 #let make-rules-dict(rules) = {
   let dict = (:)
@@ -46,82 +45,8 @@
   return total
 }
 
-#let visualize(input) = {
-  let (rules, updates) = input.split("\n\n")
-  rules = rules.split("\n").map(l => l.split("|").map(int))
-  updates = updates.split("\n").map(l => l.split(",").map(int))
-
-  let total = 0
-  //let rules-dict = make-rules-dict(rules)
-
-  let diags = ()
-  for update in updates {
-    let diag = canvas(length: 3em, {
-      for (x, n) in update.enumerate() {
-        draw.circle(
-          (x, 0),
-          radius: 0.4,
-          name: str(x)
-        )
-        draw.content(
-          (x, 0),
-          str(n)
-        )
-      }
-
-      let flip = false
-      let c = 1
-      for (a, b) in rules {
-        let i = update.position(n => n == a)
-        let j = update.position(n => n == b)
-        if i == none or j == none {
-          continue
-        }
-        let anchor = if flip {".south"} else {".north"}
-        let pt-i = str(i) + anchor
-        let pt-j = str(j) + anchor
-        let col = if j < i {red} else {green}
-
-        draw.arc-through(
-          pt-i,
-          (
-            rel: (0, if flip {-c / 10} else {c / 10}),
-            to: (pt-i, 50%, pt-j)
-          ),
-          pt-j,
-          mark: (end: ">", fill: col),
-          stroke: col
-        )
-
-        flip = not flip
-        c += 1
-      }
-    })
-
-    diags.push(diag)
-
-    /*if is-update-valid(rules-dict, update) {
-      total += update.at(calc.div-euclid(update.len(), 2))
-    }*/
-  }
-
-  diags.last() = grid.cell(
-    colspan: 2 - calc.rem(diags.len() - 1, 2),
-    diags.last()
-  )
-
-  grid(
-    columns: 2,
-    stroke: (paint: black, dash: "dashed"),
-    align: center + horizon,
-    inset: 0.4em,
-    ..diags
-  )
-}
-
 #show-puzzle(
   5, 1,
   solve,
-  example: 143,
+  example: 143
-  visualize: visualize
 )

src/day8/puzzle1.typ

@@ -1,51 +0,0 @@
-#import "/src/utils.typ": *
-
-#let in-grid(w, h, x, y) = {
-  return 0 <= x and x < w and 0 <= y and y < h
-}
-
-#let solve(input) = {
-  let by-freq = (:)
-  let antinodes = ()
-
-  let grid = input.split("\n").map(l => l.clusters())
-  let w = grid.first().len()
-  let h = grid.len()
-
-  let in-grid = in-grid.with(w, h)
-
-  for y in range(h) {
-    for x in range(w) {
-      let c = grid.at(y).at(x)
-      if c == "." {
-        continue
-      }
-      if c not in by-freq {
-        by-freq.insert(c, ())
-      }
-
-      for (x2, y2) in by-freq.at(c) {
-        let (dx, dy) = (x2 - x, y2 - y)
-        let node1 = (x - dx, y - dy)
-        let node2 = (x2 + dx, y2 + dy)
-
-        if in-grid(..node1) and node1 not in antinodes {
-          antinodes.push(node1)
-        }
-
-        if in-grid(..node2) and node2 not in antinodes {
-          antinodes.push(node2)
-        }
-      }
-      by-freq.at(c).push((x, y))
-    }
-  }
-
-  return antinodes.len()
-}
-
-#show-puzzle(
-  8, 1,
-  solve,
-  example: 14
-)