From f617998624408e0d2485112fee0be12060ed4d6c Mon Sep 17 00:00:00 2001
From: Maya Herrscher <maya.herrscher@gmail.com>
Date: Fri, 1 Dec 2023 20:23:42 +0100
Subject: [PATCH] First day and template

---
 2023/day01/challenge    |   47 ++
 2023/day01/code.py      |   44 ++
 2023/day01/input        | 1000 +++++++++++++++++++++++++++++++++++++++
 2023/day01/test         |    7 +
 2023/template/challenge |    0
 2023/template/code.py   |   16 +
 2023/template/input     |    0
 7 files changed, 1114 insertions(+)
 create mode 100644 2023/day01/challenge
 create mode 100755 2023/day01/code.py
 create mode 100644 2023/day01/input
 create mode 100644 2023/day01/test
 create mode 100644 2023/template/challenge
 create mode 100755 2023/template/code.py
 create mode 100644 2023/template/input

diff --git a/2023/day01/challenge b/2023/day01/challenge
new file mode 100644
index 0000000..0c625ab
--- /dev/null
+++ b/2023/day01/challenge
@@ -0,0 +1,47 @@
+--- Day 1: Trebuchet?! ---
+
+Something is wrong with global snow production, and you've been selected to take a look. The Elves have even given you a map; on it, they've used stars to mark the top fifty locations that are likely to be having problems.
+
+You've been doing this long enough to know that to restore snow operations, you need to check all fifty stars by December 25th.
+
+Collect stars by solving puzzles. Two puzzles will be made available on each day in the Advent calendar; the second puzzle is unlocked when you complete the first. Each puzzle grants one star. Good luck!
+
+You try to ask why they can't just use a weather machine ("not powerful enough") and where they're even sending you ("the sky") and why your map looks mostly blank ("you sure ask a lot of questions") and hang on did you just say the sky ("of course, where do you think snow comes from") when you realize that the Elves are already loading you into a trebuchet ("please hold still, we need to strap you in").
+
+As they're making the final adjustments, they discover that their calibration document (your puzzle input) has been amended by a very young Elf who was apparently just excited to show off her art skills. Consequently, the Elves are having trouble reading the values on the document.
+
+The newly-improved calibration document consists of lines of text; each line originally contained a specific calibration value that the Elves now need to recover. On each line, the calibration value can be found by combining the first digit and the last digit (in that order) to form a single two-digit number.
+
+For example:
+
+1abc2
+pqr3stu8vwx
+a1b2c3d4e5f
+treb7uchet
+
+In this example, the calibration values of these four lines are 12, 38, 15, and 77. Adding these together produces 142.
+
+Consider your entire calibration document. What is the sum of all of the calibration values?
+
+Your puzzle answer was 55816.
+--- Part Two ---
+
+Your calculation isn't quite right. It looks like some of the digits are actually spelled out with letters: one, two, three, four, five, six, seven, eight, and nine also count as valid "digits".
+
+Equipped with this new information, you now need to find the real first and last digit on each line. For example:
+
+two1nine
+eightwothree
+abcone2threexyz
+xtwone3four
+4nineeightseven2
+zoneight234
+7pqrstsixteen
+
+In this example, the calibration values are 29, 83, 13, 24, 42, 14, and 76. Adding these together produces 281.
+
+What is the sum of all of the calibration values?
+
+Your puzzle answer was 54980.
+
+Both parts of this puzzle are complete! They provide two gold stars: **
diff --git a/2023/day01/code.py b/2023/day01/code.py
new file mode 100755
index 0000000..2197099
--- /dev/null
+++ b/2023/day01/code.py
@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+
+import sys, re
+
+
+if __name__ == '__main__':
+    words = [line.strip('\n') for line in open(sys.argv[1])]
+    nums = [int(re.sub('[abcdefghijklmnopqrstuvwxyz]','',line)) for line in words]
+ 
+     # challenge 1
+    res1 = 0
+    for n in nums:
+        if 9 < n < 100: res1 += n
+        elif n < 10: res1 += n * 11
+        else: res1 += int(''.join(re.findall(r'(\d).*(\d)',str(n))[0]))
+
+    res1 = str(res1)
+    print("challenge 1:" + "\n" +  res1 + "\n")
+
+    # challenge 2
+
+    ## reformat, but keep in mind there may be overlap!!
+    words = [re.sub('one','o1e',line) for line in words]
+    words = [re.sub('two','t2o',line) for line in words]
+    words = [re.sub('three','t3e',line) for line in words]
+    words = [re.sub('four','f4r',line) for line in words]
+    words = [re.sub('five','f5e',line) for line in words]
+    words = [re.sub('six','s6x',line) for line in words]
+    words = [re.sub('seven','s7n',line) for line in words]
+    words = [re.sub('eight','e8t',line) for line in words]
+    words = [re.sub('nine','n9e',line) for line in words]
+
+    ## same as above
+    nums = [int(re.sub('[abcdefghijklmnopqrstuvwxyz]','',line)) for line in words]
+
+    res2 = 0
+    for n in nums:
+        if 9 < n < 100: res2 += n
+        elif n < 10: res2 += n * 11
+        else: res2 += int(''.join(re.findall(r'(\d).*(\d)',str(n))[0]))
+
+    res2 = str(res2)
+    print("challenge 2:" + "\n" +  res2 + "\n")
+
diff --git a/2023/day01/input b/2023/day01/input
new file mode 100644
index 0000000..9427a8d
--- /dev/null
+++ b/2023/day01/input
@@ -0,0 +1,1000 @@
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diff --git a/2023/day01/test b/2023/day01/test
new file mode 100644
index 0000000..41aa89c
--- /dev/null
+++ b/2023/day01/test
@@ -0,0 +1,7 @@
+two1nine
+eightwothree
+abcone2threexyz
+xtwone3four
+4nineeightseven2
+zoneight234
+7pqrstsixteen
diff --git a/2023/template/challenge b/2023/template/challenge
new file mode 100644
index 0000000..e69de29
diff --git a/2023/template/code.py b/2023/template/code.py
new file mode 100755
index 0000000..d793bed
--- /dev/null
+++ b/2023/template/code.py
@@ -0,0 +1,16 @@
+#!/usr/bin/env python3
+
+import sys
+
+
+if __name__ == '__main__':
+    nums = [int(line.strip('\n')) for line in open(sys.argv[1])]
+
+    # challenge 1
+    res1 = ""
+    print("challenge 1:" + "\n" +  res1 + "\n")
+
+    # challenge 2
+    res2 = ""
+    print("challenge 2:" + "\n" +  res2 + "\n")
+
diff --git a/2023/template/input b/2023/template/input
new file mode 100644
index 0000000..e69de29