lib/ai: remove randomness in puzzle so benches can compare sanely

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/lib/ai/examples/puzzle.nit b/lib/ai/examples/puzzle.nit
index 83c4b4c..0583035 100644 (file)
--- a/lib/ai/examples/puzzle.nit
+++ b/lib/ai/examples/puzzle.nit
@@ -103,7 +103,7 @@ class PuzzleProblem
                if x < width-1 then res.add(1)
                if y >= 1 then res.add(-width)
                if y < width-1 then res.add(width)
-               return res.as_random.take_all
+               return res
        end
 
        # Return the state where the tile at hole+action has moved