From ae62ed76158cfeb57f9f73982c34db367a3abe3e Mon Sep 17 00:00:00 2001
From: Gabriel Augendre <gabriel@augendre.info>
Date: Sun, 4 Dec 2022 19:05:21 +0100
Subject: [PATCH] Solve day4

---
 2022/day04_camp_cleanup.py |   54 ++
 2022/inputs/day04          | 1000 ++++++++++++++++++++++++++++++++++++
 2022/inputs/day04-test1    |    6 +
 3 files changed, 1060 insertions(+)
 create mode 100644 2022/day04_camp_cleanup.py
 create mode 100644 2022/inputs/day04
 create mode 100644 2022/inputs/day04-test1

diff --git a/2022/day04_camp_cleanup.py b/2022/day04_camp_cleanup.py
new file mode 100644
index 0000000..ce401fd
--- /dev/null
+++ b/2022/day04_camp_cleanup.py
@@ -0,0 +1,54 @@
+def main(filename: str, expected_part_1: int = None, expected_part_2: int = None):
+    print(f"\n+ Running on {filename}")
+    with open(filename) as f:
+        data = f.read().strip().split("\n")
+
+    data = parse_data(data)
+    solution_part_1 = solve_part_1(data)
+
+    print(f"1. Found {solution_part_1}")
+    if expected_part_1:
+        assert expected_part_1 == solution_part_1
+
+    solution_part_2 = solve_part_2(data)
+    print(f"2. Found {solution_part_2}")
+    if expected_part_2:
+        assert expected_part_2 == solution_part_2
+
+
+DataType = tuple[set[int], set[int]]
+
+
+def parse_data(data: list[str]) -> DataType:
+    lines = []
+    for line in data:
+        first, second = line.split(",")
+        first_1, first_2 = first.split("-")
+        first = set(range(int(first_1), int(first_2)+1))
+        second_1, second_2 = second.split("-")
+        second = set(range(int(second_1), int(second_2)+1))
+        lines.append((first, second))
+    return lines
+
+
+def solve_part_1(data: DataType) -> int:
+    total = 0
+    for line in data:
+        first, second = line
+        if first.issuperset(second) or second.issuperset(first):
+            total += 1
+    return total
+
+
+def solve_part_2(data: DataType) -> int:
+    total = 0
+    for line in data:
+        first, second = line
+        if first.intersection(second) != set():
+            total += 1
+    return total
+
+
+if __name__ == "__main__":
+    main("inputs/day04-test1", expected_part_1=2, expected_part_2=4)
+    main("inputs/day04", expected_part_1=413)
diff --git a/2022/inputs/day04 b/2022/inputs/day04
new file mode 100644
index 0000000..939866e
--- /dev/null
+++ b/2022/inputs/day04
@@ -0,0 +1,1000 @@
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\ No newline at end of file
diff --git a/2022/inputs/day04-test1 b/2022/inputs/day04-test1
new file mode 100644
index 0000000..99a66c5
--- /dev/null
+++ b/2022/inputs/day04-test1
@@ -0,0 +1,6 @@
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\ No newline at end of file