14

14/14-1.py

@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+file = "./input.txt"
+Y_TALL = 103
+X_WIDE = 101
+
+#file = "./ex.txt"
+#Y_TALL = 7
+#X_WIDE = 11
+
+from time import time
+import re
+start_time = time()
+
+def parse_and_go(input_file:str, seconds) -> list[list[int]]:
+    global Y_TALL, X_WIDE
+    field = []
+    for i in range(Y_TALL):
+        temp = []
+        for j in range(X_WIDE):
+            temp.append(0)
+        field.append(temp)
+    with open(input_file, 'r') as d:
+        datei = d.read()
+    pat = r'p\=(-?\d+),(-?\d+) v\=(-?\d+),(-?\d+)'
+    match = re.findall(pat, datei)
+    for m in match:
+        x, y, vx, vy = map(int, m)
+        # move X seconds
+        x = (x + (seconds * vx)) % X_WIDE
+        y = (y + (seconds * vy)) % Y_TALL
+        field[y][x] += 1
+    return field
+
+def print_field(f):
+    for r in f:
+        for s in r:
+            if s == 0:
+                print(".", end="")
+            else:
+                print(s, end="")
+        print()
+
+def safety_factor(f:list[list[int]])->int:
+    q1, q2, q3, q4 = 0, 0, 0, 0
+    for i in range(len(f)//2):
+        for j in range(len(f[0])//2):
+            q1 += f[i][j]
+    for i in range(len(f)//2):
+        for j in range((len(f[0])//2)+1,len(f[0])):
+            q2 += f[i][j]
+    for i in range((len(f)//2)+1,len(f)):
+        for j in range(len(f[0])//2):
+            q3 += f[i][j]
+    for i in range((len(f)//2)+1,len(f)):
+        for j in range((len(f[0])//2)+1,len(f[0])):
+            q4 += f[i][j]
+    print("Quarter-Safety:",q1,q2,q3,q4)
+    return q1*q2*q3*q4
+
+if __name__ == "__main__":
+    p1_f = parse_and_go(file, 100)
+    print_field(p1_f)
+    print(f"SafetyFactor-Part1: {safety_factor(p1_f)}")
+    print(f'Runtime: {time()-start_time:.2f} s')