solved(python): baekjoon 27172

Author: himitery

baekjoon/python/27172/__init__.py

@@ -0,0 +1,31 @@
+import sys
+from collections import defaultdict
+
+read = lambda: sys.stdin.readline().rstrip()
+
+
+class Problem:
+    def __init__(self):
+        self.n = int(read())
+        self.data = list(map(int, read().split()))
+
+    def solve(self) -> None:
+        data, values, scores = (
+            sorted((value, idx) for idx, value in enumerate(self.data)),
+            defaultdict(int),
+            [0 for _ in range(self.n)],
+        )
+        for idx, value in enumerate(self.data):
+            values[value] = idx
+
+        for value, idx in data:
+            for num in range(value * 2, data[-1][0] + 1, value):
+                if num in values:
+                    scores[idx] += 1
+                    scores[values[num]] -= 1
+
+        print(*scores)
+
+
+if __name__ == "__main__":
+    Problem().solve()

baekjoon/python/27172/main.py

@@ -0,0 +1,20 @@
+[
+  {
+    "input": [
+      "3",
+      "3 4 12"
+    ],
+    "expected": [
+      "1 1 -2"
+    ]
+  },
+  {
+    "input": [
+      "4",
+      "7 23 8 6"
+    ],
+    "expected": [
+      "0 0 0 0"
+    ]
+  }
+]

baekjoon/python/27172/sample.json

@@ -0,0 +1,36 @@
+import json
+import os.path
+import unittest
+from io import StringIO
+from unittest.mock import patch
+
+from parameterized import parameterized
+
+from main import Problem
+
+
+def load_sample(filename: str):
+    path = os.path.join(os.path.dirname(os.path.abspath(__file__)), filename)
+
+    with open(path, "r") as file:
+        return [(case["input"], case["expected"]) for case in json.load(file)]
+
+
+class TestCase(unittest.TestCase):
+    @parameterized.expand(load_sample("sample.json"))
+    def test_case(self, case: str, expected: list[str]):
+        # When
+        with (
+            patch("sys.stdin.readline", side_effect=case),
+            patch("sys.stdout", new_callable=StringIO) as output,
+        ):
+            Problem().solve()
+
+            result = output.getvalue().rstrip()
+
+        # Then
+        self.assertEqual("\n".join(expected), result)
+
+
+if __name__ == "__main__":
+    unittest.main()