.gitignore

@@ -1 +0,0 @@
-__pycache__

2024/day8/main.py

@@ -11,8 +11,8 @@ y_bound: int = len(data)
 x_bound: int = len(data[0].strip())
 
 for y, line in enumerate(data):
-    for x, char in enumerate(line.strip()):
-        if char not in ['.']:
+    for x, char in enumerate(line):
+        if char not in ['.', '\n']:
             if char not in groups:
                 groups[char] = [Vector(x, y)]
             else:
@@ -22,15 +22,6 @@ for y, line in enumerate(data):
 def in_bounds(v: Vector) -> bool:
     return v.x >= 0 and v.x < x_bound and v.y >= 0 and v.y < y_bound
 
-def print_nodes(antinodes: list[Vector]) -> None:
-    datac = data.copy()
-    for antinode in antinodes:
-        datac[antinode.y] = datac[antinode.y][:antinode.x] + '#' + datac[antinode.y][antinode.x + 1:]
-
-    for line in datac:
-        print(line, end='')
-    print()
-
 antinodes = []
 for char, group in groups.items():
     for i, A in enumerate(group):
@@ -45,33 +36,13 @@ for char, group in groups.items():
             if antinode_pos2 not in antinodes and in_bounds(antinode_pos2):
                 antinodes.append(antinode_pos2)
 
-print_nodes(antinodes)
+for antinode in antinodes:
+    data[antinode.y] = data[antinode.y][:antinode.x] + '#' + data[antinode.y][antinode.x + 1:]
 
-print(f'Part 1: {len(antinodes)}')
+for line in data:
+    print(line, end='')
+
+print(f'\nPart 1: {len(antinodes)}')
 
 # Part 2
-antinodes = []
 
-for char, group in groups.items():
-    for i, A in enumerate(group):
-        for B in group[i + 1:]:
-
-            dist = B - A
-            antinode_pos = A + dist
-            while in_bounds(antinode_pos):
-                if antinode_pos not in antinodes:
-                    antinodes.append(antinode_pos)
-
-                antinode_pos += dist
-
-            dist = dist.inverse()
-            antinode_pos = B + dist
-            while in_bounds(antinode_pos):
-                if antinode_pos not in antinodes:
-                    antinodes.append(antinode_pos)
-
-                antinode_pos += dist
-
-print_nodes(antinodes)
-
-print(f'Part 2: {len(antinodes)}')

2024/day8/test2.text

@@ -1,10 +0,0 @@
-T.........
-...T......
-.T........
-..........
-..........
-..........
-..........
-..........
-..........
-..........

2024/day8/vector.py

@@ -19,9 +19,6 @@ class Vector:
     def abs(self) -> Self:
         return Vector(abs(self.x), abs(self.y))
 
-    def inverse(self) -> Self:
-        return Vector(-self.x, -self.y)
-
     def __str__(self) -> str:
         return f'{self.x}, {self.y}'
 
@@ -30,3 +27,5 @@ class Vector:
 
     def distance(self, other: Self) -> int:
         return math.sqrt((other.x - self.x)**2 + (other.y - self.y)**2)
+
+