day 1

.gitignore

@@ -0,0 +1 @@
+.vs

day-01/part-1.py

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+import aocd
+
+def main(data):
+    password = 0
+    dial = 50
+    for line in data.strip().split('\n'):
+        dial = (dial + int(line.replace(*'L-').replace(*'R '))) % 100
+        password += not dial
+    return password
+
+
+if __name__ == '__main__':
+    solution = main(aocd.get_data(day=1, year=2025))
+    print(solution)
+    aocd.submit(solution, part='a', day=1, year=2025)

day-01/part-2.py

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+import aocd
+
+def main(data):
+    password = 0
+    dial = 50
+    for line in data.strip().split('\n'):
+        turn = int(line.replace(*'L-').replace(*'R '))
+        neg = turn < 0
+        password += abs(turn) // 100
+        turn = abs(turn) % 100
+        for _ in range(turn):
+            dial = (dial + neg*2-1) % 100
+            password += not dial
+    return password
+
+
+if __name__ == '__main__':
+    solution = main(aocd.get_data(day=1, year=2025))
+    print(solution)
+    aocd.submit(solution, part='b', day=1, year=2025)

generate.py

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+import os
+import sys
+from datetime import datetime
+
+def get_template(year, day, part):
+    part_letter = {1: 'a', 2: 'b'}[part]
+
+    return f'''import aocd
+
+def main(data):
+    ...
+
+if __name__ == '__main__':
+    solution = main(aocd.get_data(day={day}, year={year}))
+    print(solution)
+    # aocd.submit(solution, part='{part_letter}', day={day}, year={year})'''
+
+def main():
+    today = datetime.today()
+
+    year = today.year
+    month = today.month
+    day = today.day if len(sys.argv) == 1 else int(sys.argv[1])
+
+    if month != 12 or not 1 <= day <= 25:
+        print('Advent of Code runs from December 1st to December 25th', file=sys.stderr)
+        sys.exit(1)
+    
+    directory_name = f'day-{day:02}'
+    if directory_name not in os.listdir():
+        os.mkdir(directory_name)
+    
+    for part in (1, 2):
+        filename = f'part-{part}.py'
+
+        if filename in os.listdir(directory_name):
+            continue
+    
+        with open(f'{directory_name}/{filename}', 'w') as f:
+            f.write(get_template(year, day, part))
+
+if __name__ == '__main__':
+    main()