Adding 3rd assignment, stacks and queues

Stacks&Queues/TStack.h

@@ -0,0 +1,23 @@
+#ifndef STACKS_QUEUES_TSTACK_H
+#define STACKS_QUEUES_TSTACK_H
+
+#define MAX_SIZE (100 * 100)
+
+
+class TStack {
+private:
+    int stack[MAX_SIZE]{};
+    int top = 0;
+
+public:
+    TStack() = default;
+    ~TStack() = default;
+
+    void Push(int item);
+    [[nodiscard]] int Pop();
+    [[nodiscard]] int Peek() const;
+    [[nodiscard]] bool IsEmpty() const;
+
+};
+
+#endif //STACKS_QUEUES_TSTACK_H