From 19019f09d6f61b4b7ab3531d3d47f2778f0ecbd3 Mon Sep 17 00:00:00 2001
From: tebarius <tba@gmx.li>
Date: Sun, 3 Dec 2023 14:42:49 +0100
Subject: [PATCH] 03-2 fertig

---
 03/03-1.py | 23 ++++++++++++++---
 03/03-2.py | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 95 insertions(+), 3 deletions(-)
 create mode 100644 03/03-2.py

diff --git a/03/03-1.py b/03/03-1.py
index 484c54f..b72b4bc 100644
--- a/03/03-1.py
+++ b/03/03-1.py
@@ -4,7 +4,7 @@
 part_sum = 0
 matrix = []
 
-input_file = open("input-ex.txt", "r")
+input_file = open("input.txt", "r")
 for line in input_file:
     matrix.append(line.strip())
 input_file.close()
@@ -18,14 +18,14 @@ for z in range(zeilen):
     num_start, num_end = 0, 0
     num = ""
     for s in range(spalten):
-        if matrix[z][s].isdigit() and s == spalten-1:
+        if matrix[z][s].isdigit() and s == spalten - 1:
             num += matrix[z][s]
             if num_start == 0:
                 num_start = s
             num_end = s
             num_list.append([int(num), z, num_start, num_end])
         elif pre_is_num and not matrix[z][s].isdigit():
-            num_end = s-1
+            num_end = s - 1
             num_list.append([int(num), z, num_start, num_end])
             pre_is_num = False
         elif not pre_is_num and matrix[z][s].isdigit():
@@ -35,10 +35,24 @@ for z in range(zeilen):
         elif pre_is_num:
             num += matrix[z][s]
 
+for nu in num_list:
+    ist_teil = False
+    for z in range(nu[1]-1, nu[1]+2):
+        for s in range(nu[2]-1, nu[3]+2):
+            try:
+                if matrix[z][s] != "." and not matrix[z][s].isdigit():
+                    ist_teil = True
+            except IndexError:
+                pass
+    if ist_teil:
+        part_sum += nu[0]
+
+# ######### AUSGABE #########################################################
 # Matrix-Ausgabe
 for x in matrix:
     print(x)
 
+print()
 print(f"Zeilen: {zeilen}")
 print(f"Spalten: {spalten}")
 print()
@@ -46,3 +60,6 @@ print()
 # num_list ausgabe
 for n in num_list:
     print(n)
+
+# Solution:
+print(f"Lösung: {part_sum}")
diff --git a/03/03-2.py b/03/03-2.py
new file mode 100644
index 0000000..7c951a9
--- /dev/null
+++ b/03/03-2.py
@@ -0,0 +1,75 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+gear_ratio_sum = 0
+matrix = []
+
+input_file = open("input.txt", "r")
+for line in input_file:
+    matrix.append(line.strip())
+input_file.close()
+
+zeilen = len(matrix)
+spalten = len(matrix[0])
+
+num_list = []
+for z in range(zeilen):
+    pre_is_num = False
+    num_start, num_end = 0, 0
+    num = ""
+    for s in range(spalten):
+        if matrix[z][s].isdigit() and s == spalten - 1:
+            num += matrix[z][s]
+            if num_start == 0:
+                num_start = s
+            num_end = s
+            num_list.append([int(num), z, num_start, num_end])
+        elif pre_is_num and not matrix[z][s].isdigit():
+            num_end = s - 1
+            num_list.append([int(num), z, num_start, num_end])
+            pre_is_num = False
+        elif not pre_is_num and matrix[z][s].isdigit():
+            num = matrix[z][s]
+            num_start = s
+            pre_is_num = True
+        elif pre_is_num:
+            num += matrix[z][s]
+
+askerisk_list = []
+for nu in num_list:
+    ist_teil = False
+    for z in range(nu[1]-1, nu[1]+2):
+        for s in range(nu[2]-1, nu[3]+2):
+            try:
+                if matrix[z][s] == "*":
+                    askerisk_list.append([nu[0], z, s])
+            except IndexError:
+                pass
+
+for i in range(len(askerisk_list)-1):
+    for j in range(i+1, len(askerisk_list)):
+        if askerisk_list[i][1] == askerisk_list[j][1] and askerisk_list[i][2] == askerisk_list[j][2]:
+            gear_ratio_sum += (askerisk_list[i][0]*askerisk_list[j][0])
+
+# ######### AUSGABE #########################################################
+# Matrix-Ausgabe
+for x in matrix:
+    print(x)
+
+print()
+print(f"Zeilen: {zeilen}")
+print(f"Spalten: {spalten}")
+print()
+
+# num_list ausgabe
+for n in num_list:
+    print(n)
+
+# askerisk_list
+print()
+for x in askerisk_list:
+    print(x)
+
+# Solution
+print()
+print(f"Total GearRatio: {gear_ratio_sum}")