2024 day 2 part 2 solved (?)

2024/2.py

@@ -2,10 +2,8 @@ lines = [[int(n) for n in l.split()] for l in open("input.txt", 'r').read().spli
 
 unsafe, unsafe2 = 0, 0
 
-for report in lines:
-    if report[0] == report[1]:
-        unsafe += 1
-        continue
+def checksafe(report, recursive):
+    global unsafe, unsafe2 
 
     trend = -1 if report[0] > report[1] else 1
 
@@ -14,8 +12,26 @@ for report in lines:
             or (trend == 1 and report[i] > report[i+1]) \
             or (report[i] == report[i+1]) \
             or (abs(report[i] - report[i+1]) > 3):
-            
-            unsafe += 1
-            break
+            if recursive:
+                return False
+            else:
+                unsafe += 1
+                # ????????? there's no way this is how this is should be done
+                if not (checksafe(l[:i-1] + l[i:], True) or checksafe(l[:i] + l[i+1:], True) or checksafe(l[:i+1] + l[i+2:], True)):
+                    unsafe2 += 1
+                    return False
+                return True
+
+    return True
+
+for l in lines:
+    if l[0] == l[1]:
+        unsafe += 1
+        if not (checksafe(l[1:], True) or checksafe(l[:1] + l[2:], True)):
+            unsafe2 += 1
+            continue
+    else:
+        checksafe(l, False)
 
-print(len(lines)-unsafe)
+print(len(lines)-unsafe)
+print(len(lines)-unsafe2)