01, 02

02/02.py

@@ -0,0 +1,44 @@
+F = "input"
+
+data = open(F).read().strip().split(",")
+data = [(int(y[0]), int(y[1])) for x in data if (y := x.split("-"))]
+
+data = sorted(data)
+m = max(data, key=lambda x: x[1])[1]
+
+
+def part1(data):
+    c = 0
+    for i in range(1, int("9" * (len(str(m)) // 2)) + 1):
+        x = int(str(i) * 2)
+        for a, b in data:
+            if x in range(a, b + 1):
+                c += x
+    return c
+
+
+def part2(data):
+    nums = []
+    for i in range(2, len(str(m)) + 1):
+        j = 1
+        n = int(str(j) * i)
+        while n <= m:
+            nums.append(n)
+            j += 1
+            n = int(str(j) * i)
+    nums = sorted(nums)
+    i = 0
+    c = set()
+    for n in nums:
+        while n > data[i][1]:
+            i += 1
+        j = i
+        while j < len(data) and n <= data[j][1]:
+            if data[j][0] <= n <= data[j][1]:
+                c.add(n)
+            j += 1
+    return sum(c)
+
+
+print(part1(data))
+print(part2(data))