10-1 dirty Solution

10/10-1-ex12.py

@@ -0,0 +1,89 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+part_sum = 0
+matrix = []
+
+# read matrix like day 3
+input_file = open("input-ex11", "r")
+for line in input_file:
+    matrix.append(line.strip())
+input_file.close()
+
+zeilen = len(matrix)
+spalten = len(matrix[0])
+
+# Ausgabe Matrix und Startposition finden
+for i in range(len(matrix)):
+    if "S" in matrix[i]:
+        zs = i
+    print(matrix[i])
+for j in range(len(matrix[zs])):
+    if "S" in matrix[zs][j]:
+        ss = j
+start = [zs, ss]
+print()
+print(f"Startposition: {start}")
+
+
+def come_from(z, s, pre):
+    if pre[0]+1 == z:
+        return "N"
+    elif pre[0]-1 == z:
+        return "S"
+    elif pre[1]+1 == s:
+        return "W"
+    elif pre[1]-1 == s:
+        return "E"
+    else:
+        return "A"
+
+
+def where_to_go(z, s, pre):
+    pipe = matrix[z][s]
+    come = come_from(z, s, pre)
+    if pipe == "S":
+        return "Ende"
+    if come == "N" and pipe == "|":
+        return z+1, s
+    elif come == "S" and pipe == "|":
+        return z-1, s
+    elif come == "E" and pipe == "-":
+        return z, s-1
+    elif come == "W" and pipe == "-":
+        return z, s+1
+    elif come == "N" and pipe == "L":
+        return z, s+1
+    elif come == "E" and pipe == "L":
+        return z-1, s
+    elif come == "W" and pipe == "7":
+        return z+1, s
+    elif come == "S" and pipe == "7":
+        return z, s-1
+    elif come == "N" and pipe == "J":
+        return z, s-1
+    elif come == "W" and pipe == "J":
+        return z-1, s
+    elif come == "E" and pipe == "F":
+        return z+1, s
+    elif come == "S" and pipe == "F":
+        return z, s+1
+
+
+previous = (start[0], start[1])
+aktuell = [2, 1]
+count = 1
+
+while True:
+    new = where_to_go(aktuell[0], aktuell[1], previous)
+    print(aktuell, previous, new)
+    if new == "Ende":
+        break
+    else:
+        count += 1
+        previous = (aktuell[0], aktuell[1])
+        aktuell = [new[0], new[1]]
+
+print("Counter:", count)
+print("HalfCounter:", count/2)
+