From b595d9ce2f5b847ac97878d9b5a3d2ed05307d44 Mon Sep 17 00:00:00 2001
From: Simon Cambier <simon.cambier@protonmail.com>
Date: Sat, 2 Dec 2023 10:03:27 +0100
Subject: [PATCH] day 1 & 2

---
 day1.p8 | 1090 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 day2.p8 |  174 +++++++++
 2 files changed, 1264 insertions(+)
 create mode 100644 day1.p8
 create mode 100644 day2.p8

diff --git a/day1.p8 b/day1.p8
new file mode 100644
index 0000000..f6e92af
--- /dev/null
+++ b/day1.p8
@@ -0,0 +1,1090 @@
+pico-8 cartridge // http://www.pico-8.com
+version 41
+__lua__
+
+local input = split(
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+fivekltdkmm3rdmdnm32nineddsfdzpks]], "\n", false
+)
+print("Advent Of Code 2023 - Day 1")
+
+--strdsum
+--v0.1
+--@shiftalow / bitchunk
+function strdsum(a, b)
+  local s, l, d = '', max(#a, #b), ''
+  for i = 1, l do
+    local v = (a[-i] or 0) + (b[-i] or 0) + #d
+    d = v > 9 and '1' or ''
+    s = v % 10 .. s
+  end
+  return d .. s
+end
+
+function starts(haystack, needle)
+  return sub(haystack, 1, #needle) == needle
+end
+
+local digits = {
+  ["0"] = 0,
+  ["1"] = 1,
+  ["2"] = 2,
+  ["3"] = 3,
+  ["4"] = 4,
+  ["5"] = 5,
+  ["6"] = 6,
+  ["7"] = 7,
+  ["8"] = 8,
+  ["9"] = 9,
+  one = 1,
+  two = 2,
+  three = 3,
+  four = 4,
+  five = 5,
+  six = 6,
+  seven = 7,
+  eight = 8,
+  nine = 9
+}
+
+local sum = "0"
+local iter = cocreate(function()
+  for line in all(input) do
+    local firststr
+    local laststr
+    local first
+    local last
+    for i = 1, #line do
+      for d,v in pairs(digits) do
+        local substr = sub(line, i)
+        if starts(substr, d) then
+          if not first then
+            firststr = d
+            first = v
+          end
+          laststr = d
+          last = v
+        end
+      end
+    end
+    local newsum = strdsum(sum, first .. last)
+    print(sum .. " + " .. firststr .. " & " .. laststr.. " = " .. newsum)
+    sum = newsum
+    yield()
+  end
+end)
+
+local done = false
+function _update()
+  coresume(iter)
+  if costatus(iter) == "dead" and not done then
+    done = true
+    print("sum: " .. sum)
+  end
+end
+
+__gfx__
+00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+00700700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+00077000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+00077000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+00700700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
diff --git a/day2.p8 b/day2.p8
new file mode 100644
index 0000000..6b6782c
--- /dev/null
+++ b/day2.p8
@@ -0,0 +1,174 @@
+pico-8 cartridge // http://www.pico-8.com
+version 41
+__lua__
+
+local input = split(
+  [[Game 1:4 red,3 blue;6 blue,16 green;9 blue,13 green,1 red;10 green,4 red,6 blue
+  Game 2:2 green,3 blue;11 red;2 green,5 red,1 blue
+  Game 3:19 green,4 blue,13 red;1 green,1 blue,1 red;17 red,18 green
+  Game 4:4 green,8 blue,20 red;19 red,3 green,14 blue;15 red,4 green,1 blue;18 blue,14 red;19 red,10 blue;3 green,11 blue,15 red
+  Game 5:1 red,3 blue,15 green;13 green,2 blue;6 green;6 green,8 blue;4 green,9 blue,1 red
+  Game 6:2 green,10 red;4 blue,1 red,2 green;2 red,2 blue,1 green;5 red,3 green,1 blue
+  Game 7:4 green,2 blue,10 red;1 green,12 red;5 green,12 red,2 blue;10 red,1 blue,5 green;1 green,1 blue,11 red
+  Game 8:8 blue,3 red,1 green;9 blue,14 green,6 red;3 red,15 blue,16 green;9 red,4 green,6 blue
+  Game 9:9 blue,9 red,5 green;6 red,1 green,12 blue;7 blue,3 green;4 red,12 blue,1 green;5 red,4 green,1 blue
+  Game 10:1 blue,2 red,19 green;7 green,5 blue,7 red;2 blue,1 red,3 green;2 blue,9 red,10 green
+  Game 11:2 red,17 blue,12 green;5 green,3 blue;14 green,2 red,15 blue
+  Game 12:4 blue,13 green,1 red;5 blue,3 green,4 red;8 blue,15 green;12 blue,5 red,6 green;2 green,5 blue,4 red;11 blue,18 green,4 red
+  Game 13:8 blue,11 red,2 green;18 red,7 blue,7 green;6 green,9 red;7 green,3 blue,12 red;1 green,4 red,4 blue
+  Game 14:3 green,11 blue,1 red;3 green,1 red,13 blue;5 green,6 blue,1 red;1 red,5 blue,5 green;10 blue,2 green
+  Game 15:3 red,8 green,1 blue;8 green,10 red,3 blue;1 blue,4 green,2 red;10 red,10 green;3 blue,4 green,3 red;12 green,7 red
+  Game 16:13 red,9 blue;2 green,7 red,7 blue;9 blue,7 red,7 green;13 blue,10 red
+  Game 17:12 red,19 green,4 blue;2 blue,5 red,11 green;4 red,7 green,8 blue;6 red,10 green;3 green,7 red,10 blue
+  Game 18:2 blue,6 red;5 red,3 green;12 red,1 blue,3 green;1 green,19 red,5 blue;3 green,2 blue,16 red
+  Game 19:10 red,5 green;10 red;9 red,7 blue;1 blue,8 red
+  Game 20:11 green,5 red,7 blue;7 green,12 red,11 blue;13 green,3 blue,5 red;3 red,3 blue,1 green
+  Game 21:10 blue,10 green,2 red;16 blue,9 green,1 red;3 green,1 blue,2 red;17 green,5 blue,2 red;6 blue,15 green,2 red
+  Game 22:2 red,1 blue,5 green;4 blue,3 red,6 green;3 red,4 blue;4 blue,1 green,1 red;3 blue,3 red,5 green
+  Game 23:3 red,7 green;17 green,7 red,5 blue;4 blue,4 red;19 green,3 red,9 blue;3 green,3 blue,6 red;9 red,7 green,6 blue
+  Game 24:2 red,14 green,8 blue;6 red,12 blue,15 green;1 green,10 red;3 red,7 blue,15 green;11 red,13 blue;1 green,9 blue,10 red
+  Game 25:12 blue,7 red,7 green;2 red,10 green,9 blue;11 blue,6 green,6 red;6 blue,6 green;4 red,8 blue,2 green;6 green,4 blue,3 red
+  Game 26:2 blue,5 red;9 red,1 green;16 red,2 blue;4 blue,1 green,5 red
+  Game 27:12 green,12 red;15 green,11 red;7 red,19 green;1 blue,2 green,3 red
+  Game 28:4 blue,4 green,7 red;6 green,9 red,10 blue;5 red,4 blue,9 green;9 red,6 blue,2 green
+  Game 29:1 blue,3 green,9 red;5 green;3 green,2 red
+  Game 30:1 blue,5 green,3 red;2 green,1 blue,3 red;12 green,4 red;5 green,2 red;8 green,4 red,1 blue;6 green
+  Game 31:9 blue,5 green;3 red,11 blue,2 green;1 green,4 blue,2 red;1 green,3 blue,1 red;11 blue,5 green
+  Game 32:3 red,1 blue,16 green;11 green,4 blue;2 blue,4 green,2 red
+  Game 33:4 blue,15 green;6 green,11 blue;5 blue,1 red,13 green;14 green,1 red,5 blue;1 red,4 blue,14 green
+  Game 34:2 green,10 red,2 blue;8 red,10 green;3 green,1 blue,1 red
+  Game 35:3 blue,7 green,10 red;4 red,9 blue;8 blue,7 green,4 red;2 green,7 red,3 blue
+  Game 36:2 green,4 red,4 blue;1 blue,6 red;7 green,10 red;10 red,3 blue
+  Game 37:1 green,1 red;1 blue,1 red,9 green;6 blue,11 green,10 red;17 blue,3 green;2 green,8 red,6 blue
+  Game 38:6 blue,7 green,2 red;12 green,15 blue,3 red;7 blue,3 red,7 green;6 blue,10 green
+  Game 39:8 green,4 red,14 blue;19 blue,11 red,5 green;15 green,12 blue,13 red;18 green,5 red,11 blue;10 green,8 blue,10 red;8 green,2 red
+  Game 40:2 green,5 red,4 blue;1 red,2 green;10 blue,1 green;8 blue,8 red,2 green;2 red,6 blue
+  Game 41:18 red,2 blue;17 red,4 green,3 blue;5 blue,7 red;3 blue,3 green,8 red;8 red,2 blue
+  Game 42:2 blue,6 green,7 red;2 red,4 blue;4 green,4 blue,10 red;6 green,5 red,8 blue;3 red,3 blue
+  Game 43:1 green,17 red,1 blue;16 red,8 green;7 blue,15 red,10 green;1 green,1 blue,6 red;13 green,13 red;11 green,8 blue,1 red
+  Game 44:9 blue,9 green,19 red;7 red,1 blue;6 blue,8 green,9 red;8 green,2 blue,13 red;1 blue,5 green,19 red
+  Game 45:5 red,3 green,10 blue;4 green,17 red,3 blue;13 blue,2 red,10 green;11 blue,15 red,13 green
+  Game 46:14 green,1 blue,6 red;12 green,18 red;10 red,1 blue,3 green;5 red,8 green
+  Game 47:8 red,5 blue,2 green;4 red,4 blue;3 blue,9 red,2 green;2 red,2 green,4 blue;14 red,1 green,2 blue
+  Game 48:11 red,2 blue,1 green;2 green,11 blue,7 red;2 red,1 green,12 blue;1 green,7 red,2 blue
+  Game 49:7 blue,8 red,2 green;10 red,5 blue,2 green;10 red,2 blue,3 green
+  Game 50:18 red,3 green;8 red,10 blue,3 green;11 red,1 green;8 red,9 blue,1 green;7 blue,3 red,3 green
+  Game 51:6 green,2 blue,3 red;1 green,4 red;1 red,1 blue;1 red,5 green;6 green,2 red
+  Game 52:8 green,6 blue;2 blue,1 red,17 green;8 red,8 green;2 green,4 red,2 blue
+  Game 53:6 red,4 blue;15 red,4 green;16 red,3 green,7 blue;1 green,18 red,2 blue;14 red,8 blue,1 green
+  Game 54:9 red,11 green,4 blue;9 blue,9 green,14 red;3 blue,1 red,9 green;7 green,16 red,10 blue;11 green,3 blue,11 red;3 blue
+  Game 55:9 red;1 blue,10 red,1 green;15 red,5 green;2 blue,1 green,14 red;1 blue,2 green,8 red;6 red,3 green,2 blue
+  Game 56:16 blue,13 green,1 red;7 green,4 blue;1 red,11 blue,16 green;10 green,2 red,9 blue;20 green,1 blue,1 red;14 green,2 blue
+  Game 57:13 red,7 blue,4 green;19 red,3 blue,8 green;9 red,2 blue,13 green
+  Game 58:5 green,10 blue;11 green,9 blue;6 green,11 blue;8 green,2 blue;1 red,5 blue,2 green;6 green,5 blue
+  Game 59:7 blue,4 red;1 green,15 red,7 blue;6 blue,15 red;2 green,13 red,7 blue;6 blue,15 red
+  Game 60:6 green,2 blue,1 red;6 green,8 blue;11 green,2 red,15 blue;1 red,4 blue,9 green
+  Game 61:2 green,4 blue;8 red,4 blue,3 green;4 green,8 blue,5 red
+  Game 62:1 blue,11 green;7 green,3 blue;7 green,1 blue,1 red
+  Game 63:14 red,7 green,1 blue;2 red,15 green;3 green,6 red;20 red,1 blue,9 green;11 red,1 blue,15 green
+  Game 64:9 red,2 green;9 green,8 red,2 blue;2 red,2 blue;1 green;7 red,1 blue,9 green;12 green,4 red
+  Game 65:4 blue,1 red,3 green;7 green,8 blue;11 red,3 green,1 blue
+  Game 66:5 red,2 blue;2 green,1 red;2 green,13 red,4 blue;15 red,2 blue
+  Game 67:2 green,1 blue,15 red;8 blue,10 red,1 green;2 green,6 blue,18 red
+  Game 68:6 red,2 green,3 blue;1 blue,13 red,5 green;5 green,2 blue,7 red;2 blue,8 green,2 red;2 red,1 blue;8 green,8 red
+  Game 69:2 blue,3 red;3 green,1 red,2 blue;2 red,1 green,5 blue;3 red,3 green,4 blue;1 blue,4 green,7 red;2 green,4 blue
+  Game 70:2 red,17 green;8 red,14 green;1 blue,18 green;5 red,4 green,1 blue
+  Game 71:6 red;3 green,9 blue,18 red;19 blue,14 red;11 blue,18 red,5 green
+  Game 72:13 blue,10 red,4 green;5 green,13 blue,13 red;7 green,7 red,5 blue;9 blue,6 red;4 blue,6 green;7 red,2 blue,4 green
+  Game 73:3 red,6 blue;8 red,2 blue;6 blue,1 green,4 red;1 green,5 red
+  Game 74:3 red,3 green,10 blue;1 green,1 red;7 red,3 green,7 blue;3 blue,4 red
+  Game 75:1 green,10 red,8 blue;13 red,7 green,9 blue;18 red,9 blue;2 green,1 blue,5 red
+  Game 76:4 green,4 red;8 green,3 red,3 blue;1 red,2 green;6 blue,3 red,3 green;1 red,1 green,1 blue
+  Game 77:7 red,8 blue,7 green;13 green,7 blue,8 red;2 red,10 green,5 blue;2 red,5 blue,3 green
+  Game 78:2 red,7 blue;5 blue,6 green,3 red;16 green,3 blue,10 red;13 green,2 blue,2 red
+  Game 79:1 blue,8 red;4 blue,12 red,5 green;14 red,10 blue;2 green,7 red,2 blue;14 red,2 green
+  Game 80:7 blue,5 green,7 red;2 green,2 blue,7 red;4 red,1 blue,18 green;2 green,11 red,3 blue;4 blue,9 red,15 green
+  Game 81:3 green,4 red,14 blue;11 blue,4 green,14 red;6 blue,8 red,5 green
+  Game 82:2 green,7 blue,2 red;15 blue,2 green,1 red;3 blue,2 green;1 red;2 red,15 blue,2 green
+  Game 83:5 blue,1 green,5 red;12 red,10 blue;1 blue,11 red
+  Game 84:4 red,8 green,14 blue;1 green,8 blue,2 red;1 red,6 blue,9 green;8 green,15 blue,4 red;4 blue,4 red,6 green
+  Game 85:8 green,16 red,5 blue;10 red,10 green;18 green,10 blue,1 red;3 red,9 blue,13 green
+  Game 86:2 blue,10 green,6 red;8 blue,6 green;8 blue,3 red;8 green,4 red,3 blue
+  Game 87:8 blue,4 red;16 red,20 blue,4 green;18 red,1 green,1 blue;6 red,1 green,16 blue;18 blue,6 red
+  Game 88:13 green,8 blue,5 red;13 red,5 green,9 blue;10 red,18 blue,7 green;14 green,9 red,13 blue
+  Game 89:14 red,3 green,5 blue;10 blue,5 red;9 blue,12 red,3 green
+  Game 90:2 red,2 blue;1 blue,1 green,3 red;2 green,1 blue,8 red;4 red,2 green,2 blue;2 blue,9 red,6 green
+  Game 91:1 green,1 blue,6 red;3 blue,2 red;2 red,10 green;7 green,2 blue,4 red;1 blue,12 green,8 red
+  Game 92:5 red,6 blue,14 green;9 blue,1 red,10 green;2 red,7 green,6 blue;2 red,10 blue,4 green
+  Game 93:11 red,5 blue,2 green;7 green,8 red,6 blue;3 green,5 blue,10 red;16 red,8 blue,6 green;2 green;1 green,11 blue,16 red
+  Game 94:4 blue,2 red,4 green;5 blue,1 red,2 green;12 blue,3 red,3 green
+  Game 95:1 red,12 green,4 blue;1 blue,9 green,3 red;1 blue,13 green,1 red;3 red,2 green,1 blue;4 blue,3 red,15 green
+  Game 96:1 red,7 blue,2 green;5 green;3 red,5 green,11 blue
+  Game 97:8 green,6 red;1 blue,6 red,10 green;1 blue,6 red
+  Game 98:2 green,8 red,1 blue;9 green,2 blue,7 red;1 blue,2 red,11 green;8 red,10 green,2 blue
+  Game 99:3 blue,2 red;1 blue,3 green,3 red;1 red,3 green;2 green,2 red,2 blue
+  Game 100:7 blue,6 red,5 green;3 blue,13 green,11 red;6 red,13 green,14 blue;8 red,10 blue,15 green]], "\n"
+)
+
+--strdsum
+--v0.1
+--@shiftalow / bitchunk
+function strdsum(a, b)
+  local s, l, d = '', max(#a, #b), ''
+  for i = 1, l do
+    local v = (a[-i] or 0) + (b[-i] or 0) + #d
+    d = v > 9 and '1' or ''
+    s = v % 10 .. s
+  end
+  return d .. s
+end
+
+local maxred = 12
+local maxgreen = 13
+local maxblue = 14
+local sum = 0
+local sumpower = "0"
+
+for i, game in ipairs(input) do
+  local ok = true
+  local minred = 0
+  local mingreen = 0
+  local minblue = 0
+
+  local data = split(game, ":")[2]
+  printh(" ")
+  printh("GAME " .. i)
+  printh(data)
+
+  local hands = split(data, ";")
+  for hand in all(hands) do
+    local grouped = split(hand, ",")
+    local red = 0
+    local green = 0
+    local blue = 0
+    for item in all(grouped) do
+      local q = split(item, " ")
+      if q[2] == "red" then red = q[1] end
+      if q[2] == "green" then green = q[1] end
+      if q[2] == "blue" then blue = q[1] end
+
+      -- part 2
+      if red > minred then minred = red end
+      if green > mingreen then mingreen = green end
+      if blue > minblue then minblue = blue end
+    end
+    printh("red: " .. red .. ", green: " .. green .. ", blue: " .. blue)
+    if red > maxred or green > maxgreen or blue > maxblue then
+      ok = false
+    end
+  end
+  sumpower = strdsum(sumpower, tostr(minred * mingreen * minblue))
+  if ok then
+    printh("OK") sum += i
+  end
+end
+printh("sum: " .. sum)
+printh("powers: " .. sumpower)
+
+__gfx__
+00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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+00077000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+00077000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+00700700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000