feat: ChangeMin classとChangeMax classを作成

Author: hidehic0

code/main.py

@@ -309,6 +309,38 @@ def check(mid:int):
     return left if return_left else right
 
 
+class ChangeMin:
+    def __init__(self, x) -> None:
+        """Change min構造体
+
+        代入時現在の値より代入する値が低ければ代入される
+        setメソッドで代入する
+        """
+        self.x = x
+
+    def set(self, new) -> None:
+        self.x = min(self.x, new)
+
+    def val(self) -> any:
+        return self.x
+
+
+class ChangeMax:
+    def __init__(self, x) -> None:
+        """Change min構造体
+
+        代入時現在の値より代入する値が大きければ代入される
+        setメソッドで代入する
+        """
+        self.x = x
+
+    def set(self, new) -> None:
+        self.x = max(self.x, new)
+
+    def val(self) -> any:
+        return self.x
+
+
 def mod_add(a: int, b: int, mod: int) -> int:
     """足し算してmodを取った値を出力
 

libs/change_minmax.py

@@ -0,0 +1,30 @@
+class ChangeMin:
+    def __init__(self, x) -> None:
+        """Change min構造体
+
+        代入時現在の値より代入する値が低ければ代入される
+        setメソッドで代入する
+        """
+        self.x = x
+
+    def set(self, new) -> None:
+        self.x = min(self.x, new)
+
+    def val(self) -> any:
+        return self.x
+
+
+class ChangeMax:
+    def __init__(self, x) -> None:
+        """Change min構造体
+
+        代入時現在の値より代入する値が大きければ代入される
+        setメソッドで代入する
+        """
+        self.x = x
+
+    def set(self, new) -> None:
+        self.x = max(self.x, new)
+
+    def val(self) -> any:
+        return self.x

merge_file.bash

@@ -7,9 +7,9 @@ echo "新しいmain.py作成完了"
 # テンプレ
 # /bin/cat python/<filename>.py >> code/main.py
 
-for file_name in "import.py" "standard_input.py" "math_func.py" "array_create.py" "binary_search.py" "modint.py" "yn_func.py" "grid.py" "coordinates_to_id.py" "dijkstra.py" "get_path.py" "dp.py" "coordinate_compression.py" "memo.py" "rerooting.py" "manacher.py" "rollinghash.py" "graph.py" "unionfind.py" "euler_tour.py" "potential_unionfind.py" "heap.py" "trie.py" "mo.py" "square-division.py" "prefix_sum_2d.py" "dual_segtree.py" "dis_lib.py" "alias.py" "utils.py"; do
+for file_name in "import.py" "standard_input.py" "math_func.py" "array_create.py" "binary_search.py" "change_minmax.py" "modint.py" "yn_func.py" "grid.py" "coordinates_to_id.py" "dijkstra.py" "get_path.py" "dp.py" "coordinate_compression.py" "memo.py" "rerooting.py" "manacher.py" "rollinghash.py" "graph.py" "unionfind.py" "euler_tour.py" "potential_unionfind.py" "heap.py" "trie.py" "mo.py" "square-division.py" "prefix_sum_2d.py" "dual_segtree.py" "dis_lib.py" "alias.py" "utils.py"; do
 
-  cat libs/${file_name} >>code/main.py
+	cat libs/${file_name} >>code/main.py
 done
 
 # function add_code() {

test_libs.py

@@ -1,6 +1,7 @@
 # competitive-verifier: UNITTEST PYTHON_UNITTEST_RESULT
 import unittest
 
+from libs.change_minmax import ChangeMax, ChangeMin
 from libs.coordinate_compression import compress_1d
 from libs.euler_tour import EulerTour
 from libs.grid import coordinate_check
@@ -175,5 +176,23 @@ def test_eulertour(self) -> None:
                 ET.change_edge_cost(l[1], l[2])
 
 
+class TestChangeMinMax(unittest.TestCase):
+    def test_change_min(self) -> None:
+        T = ChangeMin(5)
+        self.assertEqual(T.val(), 5)
+        T.set(6)
+        self.assertEqual(T.val(), 5)
+        T.set(3)
+        self.assertEqual(T.val(), 3)
+
+    def test_change_max(self) -> None:
+        T = ChangeMax(5)
+        self.assertEqual(T.val(), 5)
+        T.set(3)
+        self.assertEqual(T.val(), 5)
+        T.set(6)
+        self.assertEqual(T.val(), 6)
+
+
 if __name__ == "__main__":
     unittest.main()