Initial import

1/1.py

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+#!/usr/bin/env python
+# 2021 - Advent Of Code 1 
+
+
+count = 0
+
+with open('input.txt') as f:
+    previous_value = int(f.readline())
+
+    for line in f:
+        current_value = int(line)
+        if current_value > previous_value:
+            count += 1
+        previous_value = current_value
+
+print(f'count: {count}')

1/1_2.py

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+#!/usr/bin/env python
+# 2021 - Advent Of Code 1 - part 2
+
+
+count = 0
+
+with open('input.txt') as f:
+    n2_value = int(f.readline())
+    n1_value = int(f.readline())
+    n_value = int(f.readline())
+    previous_sum = n2_value + n1_value + n_value
+
+    for line in f:
+        n2_value = n1_value
+        n1_value = n_value
+        n_value = int(line)
+        current_sum = n2_value + n1_value + n_value
+
+        if current_sum > previous_sum:
+            count += 1
+        previous_sum = current_sum
+
+print(f'count: {count}')

2/2.py

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+#!/usr/bin/env python
+# 2021 - Advent Of Code - 2
+
+import re
+
+x = 0
+y = 0
+
+re_parse = re.compile('(forward|up|down) (\d+)')
+
+with open('input.txt') as f:
+    for line in f:
+        m = re_parse.match(line)
+        direction, unit = m.group(1), int(m.group(2))
+        if direction == 'up':
+            y -= unit
+        elif direction == 'down':
+            y += unit
+        elif direction == 'forward':
+            x += unit
+
+print(f'position: ({x}, {y}) => {x*y}')

2/2_2.py

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+#!/usr/bin/env python
+# 2021 - Advent Of Code - 2 part 2
+
+import re
+
+x = 0
+y = 0
+aim = 0
+
+re_parse = re.compile('(forward|up|down) (\d+)')
+
+with open('input.txt') as f:
+    for line in f:
+        m = re_parse.match(line)
+        direction, unit = m.group(1), int(m.group(2))
+        if direction == 'up':
+            aim -= unit
+        elif direction == 'down':
+            aim += unit
+        elif direction == 'forward':
+            x += unit
+            y += aim * unit
+
+print(f'position: ({x}, {y}) => {x*y}')