Enable ruff RUF100 rule (#11337)

data_structures/binary_tree/basic_binary_tree.py

@@ -85,7 +85,7 @@ class BinaryTree:
         """
         return self._depth(self.root)
 
-    def _depth(self, node: Node | None) -> int:  # noqa: UP007
+    def _depth(self, node: Node | None) -> int:
         if not node:
             return 0
         return 1 + max(self._depth(node.left), self._depth(node.right))

data_structures/binary_tree/non_recursive_segment_tree.py

@@ -87,7 +87,7 @@ class SegmentTree(Generic[T]):
             p = p // 2
             self.st[p] = self.fn(self.st[p * 2], self.st[p * 2 + 1])
 
-    def query(self, l: int, r: int) -> T | None:  # noqa: E741
+    def query(self, l: int, r: int) -> T | None:
         """
         Get range query value in log(N) time
         :param l: left element index

data_structures/binary_tree/red_black_tree.py

@@ -152,7 +152,7 @@ class RedBlackTree:
                     self.grandparent.color = 1
                     self.grandparent._insert_repair()
 
-    def remove(self, label: int) -> RedBlackTree:  # noqa: PLR0912
+    def remove(self, label: int) -> RedBlackTree:
         """Remove label from this tree."""
         if self.label == label:
             if self.left and self.right:

data_structures/binary_tree/segment_tree.py

@@ -35,7 +35,7 @@ class SegmentTree:
         """
         return idx * 2 + 1
 
-    def build(self, idx, l, r):  # noqa: E741
+    def build(self, idx, l, r):
         if l == r:
             self.st[idx] = self.A[l]
         else:
@@ -56,7 +56,7 @@ class SegmentTree:
         """
         return self.update_recursive(1, 0, self.N - 1, a - 1, b - 1, val)
 
-    def update_recursive(self, idx, l, r, a, b, val):  # noqa: E741
+    def update_recursive(self, idx, l, r, a, b, val):
         """
         update(1, 1, N, a, b, v) for update val v to [a,b]
         """
@@ -83,7 +83,7 @@ class SegmentTree:
         """
         return self.query_recursive(1, 0, self.N - 1, a - 1, b - 1)
 
-    def query_recursive(self, idx, l, r, a, b):  # noqa: E741
+    def query_recursive(self, idx, l, r, a, b):
         """
         query(1, 1, N, a, b) for query max of [a,b]
         """

data_structures/heap/min_heap.py

@@ -66,7 +66,7 @@ class MinHeap:
     # this is min-heapify method
     def sift_down(self, idx, array):
         while True:
-            l = self.get_left_child_idx(idx)  # noqa: E741
+            l = self.get_left_child_idx(idx)
             r = self.get_right_child_idx(idx)
 
             smallest = idx