Initial commit (day 1 and day 2)

2024/01/solution.py

@@ -0,0 +1,35 @@
+list1 = []
+list2 = []
+file = open("input.txt", "r").read()
+lines = file.split("\n")
+for line in lines:
+    nums = line.split("   ")
+    num1 = int(nums[0])
+    num2 = int(nums[1])
+    list1.append(num1)
+    list2.append(num2)
+list1.sort()
+list2.sort()
+
+# for i in range(len(list1)):
+#       print(list1[i], list2[i])
+
+total_dist = 0
+for i in range(len(list1)):
+	dist = list2[i] - list1[i]
+	dist = abs(dist)
+	total_dist += dist
+
+print("Total distance: ", total_dist)
+
+total_similarity = 0
+for i in range(len(list1)):
+	num = list1[i]
+	occurs = 0
+	for j in range(len(list2)):
+		if num == list2[j]:
+			occurs += 1
+	similarity = num * occurs
+	total_similarity += similarity
+
+print("Total similarity: ", total_similarity)

2024/02/solution.py

@@ -0,0 +1,81 @@
+file = open("input.txt", "r").read()
+lines = file.split("\n")
+reports = []
+for line in lines:
+	nums = line.split(" ")
+	nums = [int(num) for num in nums]
+	reports.append(nums)
+
+total_safe = 0
+safe_nums = [1, 2, 3]
+
+for report in reports:
+	dists = [report[i+1] - report[i] for i in range(len(report)) if i != len(report) - 1]
+	# dists is either all positive or all negative (checks all increasing or all decreasing)
+	if all([dist > 0 for dist in dists]) or all([dist < 0 for dist in dists]):
+		dists = [abs(dist) for dist in dists]
+	if all([dist in safe_nums for dist in dists]):
+			total_safe += 1
+
+print("Total safe reports: ", total_safe)
+
+total_safe_tolerance = 0
+for report in reports:
+	print("Checking report: ", report)
+	dists = [report[i+1] - report[i] for i in range(len(report)) if i != len(report) - 1]
+	for i in range(len(dists)):
+		if abs(dists[i]) not in safe_nums:
+			report_copy = report.copy()
+			report_copy.pop(i+1)
+			dists_copy = [report_copy[i+1] - report_copy[i] for i in range(len(report_copy)) if i != len(report_copy) - 1]
+			if all([dist > 0 for dist in dists_copy]) or all([dist < 0 for dist in dists_copy]):
+				dists_copy = [abs(dist) for dist in dists_copy]
+			if all([dist in safe_nums for dist in dists_copy]):
+				print("Popping (dist): ", report[i+1])
+				report.pop(i+1)
+			else:
+				print("Popping (dist): ", report[i])
+				report.pop(i)
+			break
+	else:
+		# make a list comprehension that makes the list a 0 if its negative and a 1 if its positive and then if the sum is 1 or len(dists) - 1 then its safe
+		lst = [0 if dist < 0 else 1 for dist in dists]
+		if sum(lst) == 1: # Only one positive
+			for i in range(len(report)):
+				if dists[i] > 0:
+					report_copy = report.copy()
+					report_copy.pop(i+1)
+					dists_copy = [report_copy[i+1] - report_copy[i] for i in range(len(report_copy)) if i != len(report_copy) - 1]
+					if all([dist > 0 for dist in dists_copy]) or all([dist < 0 for dist in dists_copy]):
+						dists_copy = [abs(dist) for dist in dists_copy]
+					if all([dist in safe_nums for dist in dists_copy]):
+						print("Popping (asce): ", report[i+1])
+						report.pop(i+1)
+					else:
+						print("Popping (asce): ", report[i])
+					report.pop(i)
+					break
+		elif sum(lst) == len(dists) - 1: # Only one negative
+			for i in range(len(report)):
+				if dists[i] < 0:
+					report_copy = report.copy()
+					report_copy.pop(i+1)
+					dists_copy = [report_copy[i+1] - report_copy[i] for i in range(len(report_copy)) if i != len(report_copy) - 1]
+					if all([dist > 0 for dist in dists_copy]) or all([dist < 0 for dist in dists_copy]):
+						dists_copy = [abs(dist) for dist in dists_copy]
+					if all([dist in safe_nums for dist in dists_copy]):
+						print("Popping (desc): ", report[i+1])
+						report.pop(i+1)
+					else:
+						print("Popping (desc): ", report[i])
+					report.pop(i)
+					break
+	dists = [report[i+1] - report[i] for i in range(len(report)) if i != len(report) - 1]
+	# dists is either all positive or all negative (checks all increasing or all decreasing)
+	if all([dist > 0 for dist in dists]) or all([dist < 0 for dist in dists]):
+		dists = [abs(dist) for dist in dists]
+	if all([dist in safe_nums for dist in dists]):
+			print("Safe report: ", report)
+			total_safe_tolerance += 1
+
+print("Total safe reports with tolerance: ", total_safe_tolerance)

2024/02/test.txt

@@ -0,0 +1,22 @@
+48 46 47 49 51 54 56
+1 1 2 3 4 5
+1 2 3 4 5 5
+5 1 2 3 4 5
+1 4 3 2 1
+1 6 7 8 9
+1 2 3 4 3
+9 8 7 6 7
+7 10 8 10 11
+29 28 27 25 26 25 22 20
+90 89 86 84 83 79
+97 96 93 91 85
+29 26 24 25 21
+36 37 40 43 47
+43 44 47 48 49 54
+35 33 31 29 27 25 22 18
+77 76 73 70 64
+68 65 69 72 74 77 80 83
+37 40 42 43 44 47 51
+70 73 76 79 86
+7 10 8 10 11
+29 28 27 25 26 25 22 20