ToCode

const i18n = createI18n({
  locale: 'ja',
  fallbackLocale: 'en',
  messages: {
    en: {
      message: {
        hello: 'hello world'
      }
    },
    ja: {
      message: {
        hello: 'こんにちは、世界'
      }
    }
  }
})

values = banks.map {|b| iterate_bank(b, 12) }
    puts values.sum
  end

  def iterate_bank(bank, num_batteries)
    value = 0
    next_digit_index = 0

    num_batteries.times do |i|
      options = bank[next_digit_index..-(num_batteries - i)]
      next_digit = options.max
      next_digit_index += options.index(next_digit) + 1
      value += next_digit * (10 ** (num_batteries - 1 - i))
    end

    value
  end
end

if $PROGRAM_NAME == __FILE__
  d = Day3.new
  d.parse("input.txt")
  d.part1
  d.part2
end

def move_dial(old_value, line):
    count = int(line[1:])

    if line.startswith("L"):
        return (old_value - count) % 100
    elif line.startswith("R"):
        return (old_value + count) % 100
    else:
        raise Exception(f"Line {line}")

dial = 50
zero_count = 0

with open('input.txt', encoding='utf-8') as f:
    for line in f:
        dial = move_dial(dial, line)
        if dial == 0:
            zero_count += 1

print(f"{zero_count=}")

def dial_diff(line):
    count = int(line[1:])

    if line.startswith("L"):
        return -count
    elif line.startswith("R"):
        return count
    else:
        raise Exception(f"Line {line}")

dial = 50
zero_count = 0

with open('input.txt', encoding='utf-8') as f:
    for line in f:
        count = dial_diff(line)
        full_rounds = abs(count) // 100

        if count > 0:
            # move right
            next_dial = (dial + count) % 100
            if (next_dial < dial and next_dial != 0):
                full_rounds += 1

        elif count < 0:
            next_dial = (dial + count) % 100
            if (next_dial > dial and next_dial != 0 and dial != 0):
                full_rounds += 1

        dial = next_dial
        zero_count += full_rounds
        if dial == 0:
            zero_count += 1

print(zero_count)

class Aoc2025Day2
  def initialize(input_file_name)
    @ranges = parse(input_file_name)
  end

  def parse(input_file_name)
    File
      .read(input_file_name)
      .split(',')
      .map {|r| r.split('-') }
      .map {|a, b| a.to_i..b.to_i }
  end

  def part1
    @ranges.flat_map {|r| r.filter {|id| valid?(id) } }.sum
  end

  def part2
    @ranges.flat_map {|r| r.filter {|id| id.to_s.match(/^(\w+)\1+$/) } }.sum
  end

  def valid?(id)
    ids = id.to_s
    ids[0...ids.length / 2] == ids[ids.length / 2...]
  end
end

if __FILE__ == $PROGRAM_NAME
  a = Aoc2025Day2.new("input.txt")
  puts a.part1
  puts a.part2
end

class Day3
  attr_accessor :banks

  def parse(input_file_name)
    @banks = File
      .read(input_file_name)
      .lines
      .map {|l| l.strip.split('') }
      .map {|bank| bank.map(&:to_i) }
  end

  def part1
    values = banks.map {|b| iterate_bank(b, 2) }
    puts values.sum
  end

  def part2

* Get the medium from the first lesson to access phrases *
first_lesson = @course.lessons.first
unless first_lesson
  redirect_to root_path, alert: "No lessons found for this course"
  return
end

@medium = first_lesson.medium

* Prepare vocabulary data - all token translations from the medium *
@vocabulary = @phrases.flat_map(&:token_translations).uniq { |tt| [tt.original_text.downcase, tt.translation.downcase] }

commit a883c360dfae324a365d9bfb9ab881865a33f0c4 (HEAD -> main)
Merge: d55f747 c363960
Author: ynonp <ynonperek@gmail.com>
Date:   Sun Nov 30 13:56:36 2025 +0200

    Merge branch 'develop'

diff --git a/demo.py b/demo.py
remerge CONFLICT (content): Merge conflict in demo.py
index 96d7fe5..ba6d51e 100644
--- a/demo.py
+++ b/demo.py
@@ -1,10 +1,5 @@
-<<<<<<< d55f747 (fixed text)
-if __name__ == "__main__":
-    print("Hello World")
-=======
 def greet():
-    print("hello world")
+    print("Hello World")

 if __name__ == "__main__":
     greet()
->>>>>>> c363960 (refactor to use function)

*   a883c36 (HEAD -> main) Merge branch 'develop'
|\
| * c363960 (develop) refactor to use function
* | d55f747 fixed text
|/
* 64b74f3 initial commit

$ git log -p -1

commit a883c360dfae324a365d9bfb9ab881865a33f0c4 (HEAD -> main)
Merge: d55f747 c363960
Author: ynonp <ynonperek@gmail.com>
Date:   Sun Nov 30 13:56:36 2025 +0200

    Merge branch 'develop'

--diff-merges=<format>
    Specify diff format to be used for merge commits. Default is \off\

 $ PAGER= git log -1 -p --diff-merges=1
commit a883c360dfae324a365d9bfb9ab881865a33f0c4 (HEAD -> main)
Merge: d55f747 c363960
Author: ynonp <ynonperek@gmail.com>
Date:   Sun Nov 30 13:56:36 2025 +0200

    Merge branch 'develop'

diff --git a/demo.py b/demo.py
index 73bd701..ba6d51e 100644
--- a/demo.py
+++ b/demo.py
@@ -1,2 +1,5 @@
-if __name__ == "__main__":
+def greet():
     print("Hello World")
+
+if __name__ == "__main__":
+    greet()

$ PAGER= git log -1 -p --diff-merges=separate
commit a883c360dfae324a365d9bfb9ab881865a33f0c4 (from d55f74779962b803a89f178a08065014dd74b3ac) (HEAD -> main)
Merge: d55f747 c363960
Author: ynonp <ynonperek@gmail.com>
Date:   Sun Nov 30 13:56:36 2025 +0200

    Merge branch 'develop'

diff --git a/demo.py b/demo.py
index 73bd701..ba6d51e 100644
--- a/demo.py
+++ b/demo.py
@@ -1,2 +1,5 @@
-if __name__ == "__main__":
+def greet():
     print("Hello World")
+
+if __name__ == "__main__":
+    greet()

commit a883c360dfae324a365d9bfb9ab881865a33f0c4 (from c363960ad68f3b2875b083d7bc2b92e57df1cb7a) (HEAD -> main)
Merge: d55f747 c363960
Author: ynonp <ynonperek@gmail.com>
Date:   Sun Nov 30 13:56:36 2025 +0200

    Merge branch 'develop'

diff --git a/demo.py b/demo.py
index 3635ac7..ba6d51e 100644
--- a/demo.py
+++ b/demo.py
@@ -1,5 +1,5 @@
 def greet():
-    print("hello world")
+    print("Hello World")

 if __name__ == "__main__":
     greet()

$ PAGER= git log -1 -p --diff-merges=c
commit a883c360dfae324a365d9bfb9ab881865a33f0c4 (HEAD -> main)
Merge: d55f747 c363960
Author: ynonp <ynonperek@gmail.com>
Date:   Sun Nov 30 13:56:36 2025 +0200

    Merge branch 'develop'

diff --combined demo.py
index 73bd701,3635ac7..ba6d51e
--- a/demo.py
+++ b/demo.py
@@@ -1,2 -1,5 +1,5 @@@
- if __name__ == "__main__":
+ def greet():
 -    print("hello world")
 +    print("Hello World")
+
+ if __name__ == "__main__":
+     greet()

$ PAGER= git log -1 -p --diff-merges=r

CREATE TABLE customers (
    customer_id     INT PRIMARY KEY,
    full_name       TEXT NOT NULL,
    email_address   TEXT NOT NULL,
    created_at      TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    updated_at      TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);

CREATE TABLE customers (
    customer_id     INT PRIMARY KEY,
    full_name       TEXT NOT NULL,
    email_address   TEXT NOT NULL,
    created_at      TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
    updated_at      TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
)
PARTITION BY RANGE (created_at);

create table(:payloads, primary_key: false, options: "PARTITION BY RANGE(id)") do
  add(:id, :binary_id, null: false, primary_key: true)

  # ... other fields and references
end

CREATE TABLE #{table}_p#{start_date.year}#{month}
PARTITION OF #{table} FOR VALUES
FROM (ulid_to_uuid('#{start_ulid}'))
TO (ulid_to_uuid('#{end_ulid}'))