day12, part1

day12/notes.org

@@ -6,3 +6,89 @@ i take length of the mask, that's max size
 then for each step, either put . or put n # from the input.
 
 add to current string, and do 2 recursive calls, one with diminished 'queue', one with same
+* wrong answer on input
+it's too high
+
+and log shows:
+
+2023/12/12 15:07:52 for line ???#?.?#?#.?#???#..? blocks [4 4 5 1] matches 2
+
+and it should be 0
+** huh, nope this looks good:
+	testMask := "???#?.?#?#.?#???#..?"
+	testBlocks := []int{4,4,5,1}
+    testVariants := generatePermutations("", len(testMask), testBlocks, 14, testMask)
+	fmt.Printf("for mask %s and blocks %+v\n", testMask, testBlocks)
+	fmt.Println(testVariants)
+
+    for mask ???#?.?#?#.?#???#..? and blocks [4 4 5 1]
+[####..####..#####..# .####.####..#####..#]
+** let's check this : for line ??????#???????? blocks [7 2] matches 21
+** or this for line ?????.??#????? blocks [3 3 2 1] matches 3
+looks ok
+** this for line ??..??#?????#?##? blocks [1 1 1 1 4] matches 15
+looks good
+** for line ?#??#??#???.??.??.? blocks [1 2 3 1 1 1] matches 20
+seems ok
+** for line ???????#??.????####? blocks [1 1 1 1 1 6] matches 58
+bingo?
+
+for mask ???????#??.????####? and blocks [1 1 1 1 1 6]
+#.#.#..#.#.######...
+#.#.#..#.#..######..
+#.#.#..#.#...######.
+#.#.#..#.#....######
+#.#.#..#...#.######.
+#.#.#..#...#..######
+#.#.#..#....#.######
+#.#..#.#.#.######...
+#.#..#.#.#..######..
+#.#..#.#.#...######.
+#.#..#.#.#....######
+#.#..#.#...#.######.
+#.#..#.#...#..######
+#.#..#.#....#.######
+#.#....#.#.#.######.
+#.#....#.#.#..######
+#.#....#.#..#.######
+#..#.#.#.#.######...
+#..#.#.#.#..######..
+#..#.#.#.#...######.
+#..#.#.#.#....######
+#..#.#.#...#.######.
+#..#.#.#...#..######
+#..#.#.#....#.######
+#..#...#.#.#.######.
+#..#...#.#.#..######
+#..#...#.#..#.######
+#...#..#.#.#.######.
+#...#..#.#.#..######
+#...#..#.#..#.######
+#....#.#.#.#.######.
+#....#.#.#.#..######
+#....#.#.#..#.######
+.#.#.#.#.#.######...
+.#.#.#.#.#..######..
+.#.#.#.#.#...######.
+.#.#.#.#.#....######
+.#.#.#.#...#.######.
+.#.#.#.#...#..######
+.#.#.#.#....#.######
+.#.#...#.#.#.######.
+.#.#...#.#.#..######
+.#.#...#.#..#.######
+.#..#..#.#.#.######.
+.#..#..#.#.#..######
+.#..#..#.#..#.######
+.#...#.#.#.#.######.
+.#...#.#.#.#..######
+.#...#.#.#..#.######
+..#.#..#.#.#.######.
+..#.#..#.#.#..######
+..#.#..#.#..#.######
+..#..#.#.#.#.######.
+..#..#.#.#.#..######
+..#..#.#.#..#.######
+...#.#.#.#.#.######.
+...#.#.#.#.#..######
+...#.#.#.#..#.######