StackUsingQueue, cleanup repo plus added .gitignore

.gitignore

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+# Ignore build and output directories
+bin/
+out/
+build/
+target/
+release/
+dist/
+.idea/
+.vscode/
+*.suo
+*.user
+*.sdf
+
+# Ignore compiler-generated files
+*.o
+*.out
+*.class
+*.jar
+*.exe
+*.dll
+
+# Ignore text editor/IDE-specific files
+*.swo
+*.swp
+*.swn
+*.suo
+*.user
+*.log
+*.orig
+
+# Ignore OS-generated files
+.DS_Store
+Thumbs.db

C++/StackUsingQueue.cpp

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+#include <iostream>
+#include <queue>
+
+using namespace std;
+
+class StackUsingQueues {
+public:
+    void push(int x) {
+        tempQueue.push(x);
+        while (!mainQueue.empty()) {
+            tempQueue.push(mainQueue.front());
+            mainQueue.pop();
+        }
+
+        // Swap the main and temporary queues (main = temp, temp = empty)
+        mainQueue.swap(tempQueue);
+    }
+
+    void pop() {
+        mainQueue.pop();
+    }
+
+    int top() {
+        return mainQueue.front();
+    }
+
+    bool empty() {
+        return mainQueue.empty();
+    }
+
+private:
+    queue<int> mainQueue;
+    queue<int> tempQueue;
+};
+
+int main() {
+
+    StackUsingQueues stack;
+
+    stack.push(1);
+    stack.push(2);
+    stack.push(3);
+    stack.push(4);
+    stack.push(5);
+
+    cout << "Top element: " << stack.top() << endl; // Output: 5
+
+    stack.pop();
+
+    cout << "Top element after pop: " << stack.top() << endl; // Output: 4
+
+    stack.push(6);
+
+    cout << "Top element: " << stack.top() << endl; // Output: 6
+
+    system("pause");
+    return 0;
+}