1 files changed, 31 insertions, 0 deletions
diff --git a/2024/day2/solve.py b/2024/day2/solve.py
new file mode 100644
index 0000000..3ec9967
--- /dev/null
+++ b/2024/day2/solve.py
@@ -0,0 +1,31 @@
+safe = unsafe = 0
+
+
+def is_safe(report: str) -> bool:
+    last_num = 0
+    increase = True
+    for ii, num in enumerate((int(elem) for elem in report.split())):
+        if ii != 0:
+            if ii == 1:
+                increase = num > last_num
+
+            if (num > last_num) != increase:
+                return False
+
+            diff = abs(num - last_num)
+            if diff < 1 or diff > 3:
+                return False
+
+        last_num = num
+
+    return True
+
+
+with open("input") as f:
+    for report in f.readlines():
+        if is_safe(report):
+            safe += 1
+        else:
+            unsafe += 1
+
+print(f"safe: {safe}\nunsafe: {unsafe}")