initial commit, day 10

01b.py

@@ -0,0 +1,40 @@
+#!/usr/bin/python
+
+with open('01a.txt') as f:
+    text = f.read().strip()
+
+lines = text.split('\n')
+
+a = [None] * len(lines)
+b = [None] * len(lines)
+
+for i in range(len(lines)):
+    spl = lines[i].split(' ', maxsplit=1)
+    a[i] = int(spl[0].strip())
+    b[i] = int(spl[1].strip())
+
+a.sort()
+b.sort()
+
+total = 0
+
+# for x, y in zip(a, b):
+#     total += abs(x - y)
+
+# print(total)
+
+i_a = 0
+i_b = 0
+
+while i_a < len(lines) and i_b < len(lines):
+    x_a = a[i_a]
+    x_b = b[i_b]
+    if x_a == x_b:
+        total += x_b
+        i_b += 1
+    elif x_a < x_b:
+        i_a += 1
+    else:
+        i_b += 1
+
+print(total)