The Adventure of Rain Dance Maggie ☔️🌶

luke_02/doubleRainbow.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+
+import os, re
+
+def getVectors(file='./input-rain.txt'):
+  path = os.path.join(os.path.dirname(__file__), file)
+  with open(path, 'r') as f:
+    return f.read().split('\n')
+
+def mostParallelVectors(input):
+  parallel_vectors = {}
+
+  for plot in input:
+    try:
+      v1, v2 = re.sub(r'\(|\)', '', plot).split(';')
+    except ValueError as e:
+        continue
+
+    x1,y1 = v1.split(',')
+    x2,y2 = v2.split(',')
+    x1,y1,x2,y2 = [int(x1),int(y1),int(x2),int(y2)]
+
+    slope = (y2 - y1) / (x2-x1)
+
+    if slope in list(parallel_vectors.keys()):
+      parallel_vectors[slope] += 1
+    else:
+      parallel_vectors[slope] = 1
+
+  most = 0
+  for vector in parallel_vectors.values():
+    if vector > most:
+      most = vector
+  return most
+
+def main():
+  return mostParallelVectors(getVectors())
+
+if __name__ == '__main__':
+  print(main())