better visualzier

2025-python/output/__init__.py

@@ -1,4 +1,5 @@
 import re
+from math import inf
 
 # Directions/Adjacents for 2D matrices, in the order UP, RIGHT, DOWN, LEFT
 D = [
@@ -78,12 +79,26 @@ def mdbg(m):
         print("".join(r))
 
 
-def vdbg(seen, h, w, C="#", M=None):
+def vdbg(seen, mask=("#", "."), M=None):
     """Print-debug visited positions of a matrix"""
+    t = inf
+    l = inf
+    b = 0
+    r = 0
+    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
+    osr = t
+    osc = l
+    C, Z = mask
     def _m(r, c):
-        return M[r][c] if M else "."
-    for r in range(h):
-        print("".join([C if (r, c) in seen else _m(r, c) for c in range(w)]))
+        return M[r][c] if M else Z
+    for r in range(H):
+        print("".join([C if (r + osr, c + osc) in seen else _m(r, c) for c in range(W)]))
 
 
 def vvdbg(seen, h, w):