add 2166

Author: rustykitty

2166-design-bitset.py

@@ -0,0 +1,45 @@
+"""
+2166. Design Bitset
+
+Submitted: February 28, 2025
+
+Runtime: 1206 ms (beats 21.92%)
+Memory: 49.69 MB (beats 96.58%)
+"""
+
+class Bitset:
+
+    def __init__(self, size: int):
+        self.size = size
+        self.data = 0
+
+    def fix(self, idx: int) -> None:
+        self.data |= (1 << idx)
+
+    def unfix(self, idx: int) -> None:
+        self.data &= ~(1 << idx)
+
+    def flip(self) -> None:
+        self.data = (~self.data & (1 << self.size) - 1)
+
+    def all(self) -> bool:
+        return self.data == (1 << self.size) - 1
+
+    def one(self) -> bool:
+        return bool(self.data)
+
+    def count(self) -> int:
+        return self.data.bit_count()
+
+    def toString(self) -> str:
+        return bin(self.data)[2:].zfill(self.size)[::-1]
+
+# Your Bitset object will be instantiated and called as such:
+# obj = Bitset(size)
+# obj.fix(idx)
+# obj.unfix(idx)
+# obj.flip()
+# param_4 = obj.all()
+# param_5 = obj.one()
+# param_6 = obj.count()
+# param_7 = obj.toString()