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authorJack Sangdahl <[email protected]>2024-12-07 22:57:33 -0700
committerJack Sangdahl <[email protected]>2024-12-07 22:57:33 -0700
commitde47d10a64bbc19bec07fa60091a866506ed15ba (patch)
treeb898edb0fa8f2966ca96418092132bc854c39607
parent18f63e38d377c45d149e8b0fb174068d9b9545df (diff)
downloadaoc-de47d10a64bbc19bec07fa60091a866506ed15ba.tar.gz
aoc-de47d10a64bbc19bec07fa60091a866506ed15ba.zip
Day 8 2024
-rw-r--r--8_2024.py42
-rw-r--r--data/8_2024.txt50
2 files changed, 92 insertions, 0 deletions
diff --git a/8_2024.py b/8_2024.py
new file mode 100644
index 0000000..e18f383
--- /dev/null
+++ b/8_2024.py
@@ -0,0 +1,42 @@
+from collections import defaultdict
+
+input = "data/8_2024.txt"
+data = open(input).read().strip()
+line = data.split("\n")
+row, col = len(line), len(line[0])
+a1, a2, dic = set(), set(), defaultdict(list)
+
+
+for r in range(row):
+ for c in range(col):
+ if line[r][c] != ".":
+ dic[line[r][c]].append((r, c))
+
+
+for r in range(row):
+ for c in range(col):
+ for k, vs in dic.items():
+ for r1, c1 in vs:
+ for r2, c2 in vs:
+ if (r1, c1) != (r2, c2):
+ d1 = abs(r - r1) + abs(c - c1)
+ d2 = abs(r - r2) + abs(c - c2)
+ dr1 = r - r1
+ dr2 = r - r2
+ dc1 = c - c1
+ dc2 = c - c2
+ if (
+ (d1 == 2 * d2 or d1 * 2 == d2)
+ and 0 <= r < row
+ and 0 <= c < col
+ and (dr1 * dc2 == dc1 * dr2)
+ ):
+ a1.add((r, c))
+ if 0 <= r < row and 0 <= c < col and (dr1 * dc2 == dc1 * dr2):
+ a2.add((r, c))
+
+
+p1 = len(a1)
+p2 = len(a2)
+print(p1)
+print(p2)
diff --git a/data/8_2024.txt b/data/8_2024.txt
new file mode 100644
index 0000000..deeba80
--- /dev/null
+++ b/data/8_2024.txt
@@ -0,0 +1,50 @@
+...........................A.............W........
+.......x..........AZ......P.........m......k..W...
+....v.....Z..K...V..........A.......R....f........
+.............d..........V.............2...........
+.........Z........d...V.....B....C.....e..........
+............Z.vA...........m...................s.W
+...x..o.....................ek....................
+...O.....VK..................R......B.............
+.........O..................my....kB..............
+.v...................y..........C........B.....z..
+xb.v..................................C..z........
+.........................2.ey.....................
+..K.......................y...................s...
+..........................................z.......
+.......................2.......R........z......F..
+O.....d..................D..k.........F...........
+..........O..........D.............s....E.........
+..o......9....................D........C..s.......
+.....o..r....................c...................m
+.......P..............................e...........
+..............1......................d............
+...................o...............3..............
+........................c.......24..........S.....
+....x..................c.............F4.........S.
+P............N..8.......W.D.......................
+.....K............1.8.............................
+.........P..............Q...M.....................
+9...................R........4...8.....0..........
+....n.........................F...................
+........Y...n......1......................3..J....
+.........................3...8....................
+...n...M............................0.......ja...S
+....f................................6.....S.....E
+....................i.........M...J...............
+...r..........q..........1......l..0.....L........
+.........f7....i.Nc......................j.......l
+..9....Y7......X.........Q...M5....J4...........3.
+.Y........NX..I............Q........L.............
+......Xw...nb.............0..............l6.......
+......b.....f....5..q.....................a..6....
+.......5..........iq.9.....p..........a...........
+........X........I................p...6...........
+..................N.............L.........j.......
+...b.7.......................p....Q......E........
+....Y....7......................p................j
+.......r..........................................
+.................i...................a............
+..w.........5.....................................
+......w........I..............J...................
+.w............r.....................lL............