Design 1 Completed

Problem 1: Hash Set

@@ -0,0 +1,43 @@
+class MyHashSet:
+
+    def __init__(self):
+        self.buckets = 1000 #primary arr
+        self.bucketItems = 1000
+        self.storage = [None] * self.buckets
+    def hash1(self, key : int) -> int:
+        return key % self.buckets
+    def hash2(self, key : int) -> int:
+        return key // self.bucketItems
+
+    def add(self, key: int) -> None:
+        bucket = self.hash1(key)
+        bucketItem = self.hash2(key)
+        if self.storage[bucket] == None:
+            if bucket == 0:
+                self.storage[bucket] = [None] * (self.bucketItems+1)
+            else:
+                self.storage[bucket] = [None] * self.bucketItems
+        self.storage[bucket][bucketItem] = True
+
+
+    def remove(self, key: int) -> None:
+        bucket = self.hash1(key)
+        bucketItem = self.hash2(key)
+        if self.storage[bucket] == None:
+            return
+        self.storage[bucket][bucketItem] = False
+
+    def contains(self, key: int) -> bool:
+        bucket = self.hash1(key)
+        bucketItem = self.hash2(key)
+        if self.storage[bucket] == None:
+            return False
+        return self.storage[bucket][bucketItem]
+
+
+
+# Your MyHashSet object will be instantiated and called as such:
+# obj = MyHashSet()
+# obj.add(key)
+# obj.remove(key)
+# param_3 = obj.contains(key)

Problem2: Min Stack

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+class MinStack:
+
+    def __init__(self):
+        self.stack = []
+        self.Min = int(sys.maxsize)
+
+
+    def push(self, val: int) -> None:
+        if val <= self.Min:
+            self.stack.append(self.Min)
+            self.Min = val
+        self.stack.append(val)
+
+    def pop(self) -> None:
+        popped = self.stack.pop()
+        if popped == self.Min:
+            self.Min = self.stack.pop()
+
+    def top(self) -> int:
+        return self.stack[-1]
+
+    def getMin(self) -> int:
+        return self.Min
+
+# Your MinStack object will be instantiated and called as such:
+# obj = MinStack()
+# obj.push(val)
+# obj.pop()
+# param_3 = obj.top()
+# param_4 = obj.getMin()