solved part 1 day8 2024

2024/day8/main.py

@@ -0,0 +1,48 @@
+from vector import Vector
+
+with open('input.text', 'r') as file:
+    data: list[str] = file.readlines()
+
+
+groups = {}
+
+# Parse Data
+y_bound: int = len(data)
+x_bound: int = len(data[0].strip())
+
+for y, line in enumerate(data):
+    for x, char in enumerate(line):
+        if char not in ['.', '\n']:
+            if char not in groups:
+                groups[char] = [Vector(x, y)]
+            else:
+                groups[char].append(Vector(x, y))
+
+# Part 1
+def in_bounds(v: Vector) -> bool:
+    return v.x >= 0 and v.x < x_bound and v.y >= 0 and v.y < y_bound
+
+antinodes = []
+for char, group in groups.items():
+    for i, A in enumerate(group):
+        for B in group[i + 1:]:
+
+            antinode_pos = A + A - B
+            antinode_pos2 = B + B - A
+
+            if antinode_pos not in antinodes and in_bounds(antinode_pos):
+                antinodes.append(antinode_pos)
+
+            if antinode_pos2 not in antinodes and in_bounds(antinode_pos2):
+                antinodes.append(antinode_pos2)
+
+for antinode in antinodes:
+    data[antinode.y] = data[antinode.y][:antinode.x] + '#' + data[antinode.y][antinode.x + 1:]
+
+for line in data:
+    print(line, end='')
+
+print(f'\nPart 1: {len(antinodes)}')
+
+# Part 2
+