wip

2025-python/output/__init__.py

@@ -1,5 +1,6 @@
 import re
 from math import inf
+from PIL import Image
 
 # Directions/Adjacents for 2D matrices, in the order UP, RIGHT, DOWN, LEFT
 D = [
@@ -97,8 +98,40 @@ def vdbg(seen, mask=("#", "."), M=None):
     C, Z = mask
     def _m(r, c):
         return M[r][c] if M else Z
+    O = []
     for r in range(H):
-        print("".join([C if (r + osr, c + osc) in seen else _m(r, c) for c in range(W)]))
+        O.append("".join([C if (r + osr, c + osc) in seen else _m(r, c) for c in range(W)]))
+    print("\n".join(O))
+
+
+def svg(seen):
+    """Print-debug visited positions of a matrix"""
+    t = inf
+    l = inf
+    b = 0
+    r = 0
+    rects = []
+    for y, x in seen:
+        t = min(t, y)
+        r = max(r, x)
+        b = max(b, y)
+        l = min(l, x)
+    H = b - t + 1
+    W = r - l + 1
+    im = Image.new(mode="RGB", size=(W,H), color=(255,255,255))
+    print(H, "*", W)
+    for y, x in seen:
+        im.putpixel((x-l, y-t), (0, 0, 0, 255))
+    im.save("aoc.png")
+    
+    for y, x in seen:
+        rects.append(f"<rect x='{x-l}' y='{y-t}' width='1' fill='black' stroke='black' stroke-width='10' height='1' />")
+    with open("svg.svg", "w") as f:
+        f.write(f"""
+                <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 {W} {H}" width="{W}" height="{H}">
+                    {"".join(rects)}
+                </svg>    
+                """.strip())
 
 
 def vvdbg(seen, h, w):

2025-python/output/day_09.py

@@ -1,6 +1,7 @@
 from itertools import combinations
+import PIL
 
-from output import ints
+from output import svg, D, ints, vdbg
 
 
 def solve(data):
@@ -11,7 +12,6 @@ def solve(data):
     S = A[0]
     V = set()
     B = set()
-
     while True:
         V.add(S)
         y, x = S
@@ -40,35 +40,37 @@ def solve(data):
     y, x = Y, X
     Q = [(y, x)]
     V = V | B
-    while Q:
-        yx = Q.pop()
-        if yx in V:
-            continue
-        V.add(yx)
-        y, x = yx
-        for dy, dx in D:
-            Q.append((dy + y, dx + x))
-    for a, b in combinations(A, r=2):
-        y1, x1 = a
-        y2, x2 = b
-        x = abs(x1 - x2) + 1
-        y = abs(y1 - y2) + 1
-        p1 = max(p1, x * y)
-        if (
-            len(
-                set(
-                    [
-                        (min(y1, y2), min(x1, x2)),
-                        (min(y1, y2), max(x1, x2)),
-                        (max(y1, y2), min(x1, x2)),
-                        (max(y1, y2), max(x1, x2)),
-                    ]
-                )
-                - V
-            )
-            == 0
-        ):
-            p2 = max(p2, max(p2, x * y))
+    print(len(B))
+    svg(B)
+    # while Q:
+    #     yx = Q.pop()
+    #     if yx in V:
+    #         continue
+    #     V.add(yx)
+    #     y, x = yx
+    #     for dy, dx in D:
+    #         Q.append((dy + y, dx + x))
+    # for a, b in combinations(A, r=2):
+    #     y1, x1 = a
+    #     y2, x2 = b
+    #     x = abs(x1 - x2) + 1
+    #     y = abs(y1 - y2) + 1
+    #     p1 = max(p1, x * y)
+    #     if (
+    #         len(
+    #             set(
+    #                 [
+    #                     (min(y1, y2), min(x1, x2)),
+    #                     (min(y1, y2), max(x1, x2)),
+    #                     (max(y1, y2), min(x1, x2)),
+    #                     (max(y1, y2), max(x1, x2)),
+    #                 ]
+    #             )
+    #             - V
+    #         )
+    #         == 0
+    #     ):
+    #         p2 = max(p2, max(p2, x * y))
     return p1, p2