solved(python): baekjoon 1214

Author: himitery

baekjoon/python/1214/__init__.py

@@ -0,0 +1,33 @@
+import math
+import sys
+
+read = lambda: sys.stdin.readline().rstrip()
+
+
+class Problem:
+    def __init__(self):
+        self.d, self.p, self.q = map(int, read().split())
+
+    def solve(self) -> None:
+        print(self.find_minimum())
+
+    def find_minimum(self) -> int:
+        if self.d % self.p == 0 or self.d % self.q == 0:
+            return self.d
+
+        p, q = max(self.p, self.q), min(self.p, self.q)
+
+        minimum = math.inf
+        for p_count in range(min(self.d // p, q) + 2):
+            total = p_count * p
+            if total >= self.d:
+                minimum = min(minimum, total)
+                break
+
+            minimum = min(minimum, total + math.ceil((self.d - total) / q) * q)
+
+        return minimum
+
+
+if __name__ == "__main__":
+    Problem().solve()

baekjoon/python/1214/main.py

@@ -0,0 +1,42 @@
+[
+  {
+    "input": [
+      "17 7 13"
+    ],
+    "expected": [
+      "20"
+    ]
+  },
+  {
+    "input": [
+      "21 7 13"
+    ],
+    "expected": [
+      "21"
+    ]
+  },
+  {
+    "input": [
+      "17 7 9"
+    ],
+    "expected": [
+      "18"
+    ]
+  },
+  {
+    "input": [
+      "37 9 17"
+    ],
+    "expected": [
+      "43"
+    ]
+  },
+  {
+    "input": [
+      "287341 2345 7253"
+    ],
+    "expected": [
+      "287398"
+    ]
+  }
+]

baekjoon/python/1214/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()