1 files changed, 127 insertions, 0 deletions
diff --git a/2024/04/solve.py b/2024/04/solve.py
new file mode 100755
index 0000000..77c9419
--- /dev/null
+++ b/2024/04/solve.py
@@ -0,0 +1,127 @@
+#!/bin/env python
+
+
+L = [l.strip() for l in open("input").readlines()]
+
+
+# AAAAAAAAAAAAAAAAAH PYTHON WHY DO YOU SUPPORT -1 INDEX
+# THIS COST ME 20 MINUTES
+def get(l, idx):
+    if idx >= len(l) or idx < 0:
+        return "."
+    return l[idx]
+
+
+def part1():
+    res = 0
+
+    for y in range(len(L)):
+        for x in range(len(L[y])):
+            # horizontal
+            if (
+                get(get(L, y), x) == "X"
+                and get(get(L, y), x + 1) == "M"
+                and get(get(L, y), x + 2) == "A"
+                and get(get(L, y), x + 3) == "S"
+            ):
+                res += 1
+
+            # horizontal inversed
+            if (
+                get(get(L, y), x) == "S"
+                and get(get(L, y), x + 1) == "A"
+                and get(get(L, y), x + 2) == "M"
+                and get(get(L, y), x + 3) == "X"
+            ):
+                res += 1
+
+            # diagonal right
+            if (
+                get(get(L, y), x) == "X"
+                and get(get(L, y + 1), x + 1) == "M"
+                and get(get(L, y + 2), x + 2) == "A"
+                and get(get(L, y + 3), x + 3) == "S"
+            ):
+                res += 1
+
+            # diagonal right inversed
+            if (
+                get(get(L, y), x) == "S"
+                and get(get(L, y + 1), x + 1) == "A"
+                and get(get(L, y + 2), x + 2) == "M"
+                and get(get(L, y + 3), x + 3) == "X"
+            ):
+                res += 1
+
+            # vertical
+            if (
+                get(get(L, y), x) == "X"
+                and get(get(L, y + 1), x) == "M"
+                and get(get(L, y + 2), x) == "A"
+                and get(get(L, y + 3), x) == "S"
+            ):
+                res += 1
+
+            # vertical inversed
+            if (
+                get(get(L, y), x) == "S"
+                and get(get(L, y + 1), x) == "A"
+                and get(get(L, y + 2), x) == "M"
+                and get(get(L, y + 3), x) == "X"
+            ):
+                res += 1
+
+            # diagonal left
+            if (
+                get(get(L, y), x) == "X"
+                and get(get(L, y + 1), x - 1) == "M"
+                and get(get(L, y + 2), x - 2) == "A"
+                and get(get(L, y + 3), x - 3) == "S"
+            ):
+                res += 1
+
+            # diagonal left inversed
+            if (
+                get(get(L, y), x) == "S"
+                and get(get(L, y + 1), x - 1) == "A"
+                and get(get(L, y + 2), x - 2) == "M"
+                and get(get(L, y + 3), x - 3) == "X"
+            ):
+                res += 1
+    print(res)
+
+
+def part2():
+    res = 0
+
+    for y in range(len(L)):
+        for x in range(len(L[y])):
+            if (
+                (
+                    get(get(L, y), x) == "S"
+                    and get(get(L, y + 1), x + 1) == "A"
+                    and get(get(L, y + 2), x + 2) == "M"
+                )
+                or (
+                    get(get(L, y), x) == "M"
+                    and get(get(L, y + 1), x + 1) == "A"
+                    and get(get(L, y + 2), x + 2) == "S"
+                )
+            ) and (
+                (
+                    get(get(L, y), x + 2) == "S"
+                    and get(get(L, y + 1), x + 1) == "A"
+                    and get(get(L, y + 2), x) == "M"
+                )
+                or (
+                    get(get(L, y), x + 2) == "M"
+                    and get(get(L, y + 1), x + 1) == "A"
+                    and get(get(L, y + 2), x) == "S"
+                )
+            ):
+                res += 1
+    print(res)
+
+
+part1()
+part2()