2024 Day 2

2024/Day-02/day02-1.py

@@ -0,0 +1,18 @@
+#!/usr/bin/python3
+
+if __name__ == '__main__':
+    safe = 0
+    with open('input.txt', 'r') as input_file:
+        for line in input_file:
+            data = [int(x) for x in line.strip().split()]
+            diffs = []
+            for i in range(len(data)):
+                if i == 0:
+                    diffs.append(0)
+                else:
+                    diffs.append(data[i] - data[i-1])
+            if all(i>0 for i in diffs[1:]) or all(i<0 for i in diffs[1:]):
+                abs_diffs = [abs(x) for x in diffs[1:]]
+                if not(any(i<1 for i in abs_diffs) or any(i>3 for i in abs_diffs)):
+                    safe += 1
+        print(safe)

2024/Day-02/day02-2.py

@@ -0,0 +1,33 @@
+#!/usr/bin/python3
+
+from copy import copy
+
+def is_safe(seq: list) -> bool:
+    diffs = []
+    for i in range(len(seq)):
+        if i == 0:
+            diffs.append(0)
+        else:
+            diffs.append(seq[i] - seq[i-1])
+    if all(i>0 for i in diffs[1:]) or all(i<0 for i in diffs[1:]):
+        abs_diffs = [abs(x) for x in diffs[1:]]
+        if not(any(i<1 for i in abs_diffs) or any(i>3 for i in abs_diffs)):
+            return True
+    return False
+
+if __name__ == '__main__':
+    safe = 0
+    with open('input.txt', 'r') as input_file:
+        for line in input_file:
+            data = [int(x) for x in line.strip().split()]
+            if is_safe(data):
+                safe += 1
+            else:
+                for i in range(len(data)):
+                    tmp_data = copy(data)
+                    tmp_data.pop(i)
+                    if is_safe(tmp_data):
+                        safe+=1
+                        break
+
+        print(safe)