Data commit

Task/Solve-the-no-connection-puzzle/Python/solve-the-no-connection-puzzle-1.py

@@ -0,0 +1,27 @@
+from __future__ import print_function
+from itertools import permutations
+from enum import Enum
+
+A, B, C, D, E, F, G, H = Enum('Peg', 'A, B, C, D, E, F, G, H')
+
+connections = ((A, C), (A, D), (A, E),
+               (B, D), (B, E), (B, F),
+               (G, C), (G, D), (G, E),
+               (H, D), (H, E), (H, F),
+               (C, D), (D, E), (E, F))
+
+
+def ok(conn, perm):
+    """Connected numbers ok?"""
+    this, that = (c.value - 1 for c in conn)
+    return abs(perm[this] - perm[that]) != 1
+
+
+def solve():
+    return [perm for perm in permutations(range(1, 9))
+            if all(ok(conn, perm) for conn in connections)]
+
+
+if __name__ == '__main__':
+    solutions = solve()
+    print("A, B, C, D, E, F, G, H =", ', '.join(str(i) for i in solutions[0]))

Task/Solve-the-no-connection-puzzle/Python/solve-the-no-connection-puzzle-2.py

@@ -0,0 +1,21 @@
+def pp(solution):
+    """Prettyprint a solution"""
+    boardformat = r"""
+         A   B
+        /|\ /|\
+       / | X | \
+      /  |/ \|  \
+     C - D - E - F
+      \  |\ /|  /
+       \ | X | /
+        \|/ \|/
+         G   H"""
+    for letter, number in zip("ABCDEFGH", solution):
+        boardformat = boardformat.replace(letter, str(number))
+    print(boardformat)
+
+
+if __name__ == '__main__':
+    for i, s in enumerate(solutions, 1):
+        print("\nSolution", i, end='')
+        pp(s)