commit 62dade14e138693105c1282e418e5a45c645a01b
Author: PedroEdiaz <ppedroediaz@gmail.com>
Date:   Wed Oct 29 17:19:47 2025 -0600

    Add 1 -> 5

diff --git a/2015/1.py b/2015/1.py
new file mode 100644
index 0000000..d5e8c98
--- /dev/null
+++ b/2015/1.py
@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+
+# Fill Input
+input = ""
+
+try:
+	with open("1.txt", 'r', encoding='utf-8') as file:
+		input += file.read()
+except Exception as e:
+	print(f"An error occurred: {e}")
+
+# Part 1
+print(input.count("(") - input.count(")"))
+
+# Part 2
+res = 0
+for i in range(len(input)):
+	match input[i]:
+		case '(':
+			res += 1
+		case ')':
+			res -= 1
+	if res < 0:
+		print(i+1)
+		break
diff --git a/2015/2.py b/2015/2.py
new file mode 100644
index 0000000..373b59c
--- /dev/null
+++ b/2015/2.py
@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+
+# Fill Input
+input = ""
+
+try:
+	with open("2.txt", 'r', encoding='utf-8') as file:
+		input += file.read()
+except Exception as e:
+	print(f"An error occurred: {e}")
+
+# Result
+res1 = 0;
+res2 = 0;
+for line in input.split('\n'):
+	if line == "":
+		break
+
+	box = [int(n) for n in line.split('x')]
+
+	box.sort()
+	l,w,h= box
+
+	res1+=3*l*w+2*(w*h+l*h)
+	res2+=2*(l+w)+l*w*h
+
+print(res1, res2)
diff --git a/2015/3.py b/2015/3.py
new file mode 100644
index 0000000..a456300
--- /dev/null
+++ b/2015/3.py
@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+
+# Fill Input
+input = ""
+
+try:
+	with open("3.txt", 'r', encoding='utf-8') as file:
+		input += file.read()
+except Exception as e:
+	print(f"An error occurred: {e}")
+
+# Convert Corrdenate to string
+def key_coord(coord):
+	return f"{coord[0]},{coord[1]}"
+
+# Result
+santas = 1 # or 2
+
+i=0
+coords = [[0,0],[0,0]]
+houses = {key_coord([0,0]): santas}
+
+for c in input:
+	match c:
+		case '>':
+			coords[i][0]+=1
+		case '<':
+			coords[i][0]-=1
+		case '^':
+			coords[i][1]+=1
+		case 'v':
+			coords[i][1]-=1
+
+	# A Dictonary for all the visisted houses
+	key=key_coord(coords[i])
+	if key in houses:
+		houses[key]+=1;
+	else:
+		houses[key]=1;
+
+	if santas > 1:
+		i^=1
+
+print(len(houses))
diff --git a/2015/4.py b/2015/4.py
new file mode 100644
index 0000000..415c3d7
--- /dev/null
+++ b/2015/4.py
@@ -0,0 +1,13 @@
+import hashlib
+
+zeros=  5
+input = "abcdef"
+
+for i in range(10**(zeros+1)):
+	string = input + str(i).zfill(zeros)
+	hash = hashlib.md5(string.encode('utf-8')).hexdigest()
+
+	if  hash.startswith(zeros*"0"):
+		print(i, hash)
+		break;
+
diff --git a/2015/5.py b/2015/5.py
new file mode 100644
index 0000000..a1e4820
--- /dev/null
+++ b/2015/5.py
@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+
+import re
+
+# Fill Input
+input = ""
+
+try:
+	with open("5.txt", 'r', encoding='utf-8') as file:
+		input += file.read()
+except Exception as e:
+	print(f"An error occurred: {e}")
+
+# regex matching
+def match(pattern, string):
+	return re.search(pattern, string) != None
+
+# Convert Corrdenate to string
+res1, res2 = 0, 0
+
+for line in input.split("\n"):
+	res1 += int(match(r"(.)\1", line) and 
+		match(r"(.*[aeiou]){3,}", line) and 
+		not match(r"ab|cd|pq|xy", line) ) 
+
+	res2 +=	int(match(r"(..).*\1", line) and 
+		match(r"(.).\1", line) )
+
+print(res1, res2)
+