Add Cpp file test

tests/syntax-tests/source/Cpp/test.cpp

@@ -0,0 +1,79 @@
+#include <bits/stdc++.h> // includes most of the useful libraries
+#include "mainwindow.h"
+
+using namespace std;
+
+/* This C program was submitted to help bat
+ * with its syntax highlighting tests
+ */
+
+bool test_function(int x, int y)
+{
+    return (x == y || x + y == x * y);
+}
+
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent), ui(new Ui::MainWindow)
+{
+    ui->setupUi(this);
+    resize(560, 420);
+    // Image menu
+    connect(ui->actionOpen, &QAction::triggered, this, &MainWindow::open);
+    MainWindow::~MainWindow()
+    {
+        delete ui;
+    }
+    int y = ui->graphicsView->size().height() - image.height();
+    int x = ui->graphicsView->size().width() - image.width();
+
+    void MainWindow::showImage()
+    {
+        // Reset scale
+        ui->graphicsView->resetMatrix();
+
+        statusBar()->showMessage(QString("%1 %2x%3px %4 kB").arg(file.fileName()).arg(image.width()).arg(image.height()).arg(QFile(currentFile).size() / 1000.0));
+    }
+}
+
+int main()
+{
+    int tc;
+    cin >> tc;
+    while (tc--) // for each test case
+    {
+        int n;
+        cin >> n; // take n
+        vector<pair<int, string>> v;
+
+        int a[n], b[n];
+
+        for (int i = 0; i < n; i++)
+            cin >> a[i]; // take arrays
+        for (int i = 0; i < n; i++)
+            cin >> b[i];
+
+        priority_queue<int> pq; // inbuilt data structure - max heap (available in the bits/stdc++)
+
+        for (int i = 0; i < n; i++)
+            pq.push(a[i]); // push elements into heap
+
+        for (int i = 0; i < n; i++) // for each element in B
+        {
+            int top_ele = pq.top();  // max element in heap
+            pq.pop();                // deletion
+            pq.push(top_ele ^ b[i]); // push after operation
+        }
+
+        for (int i = n - 1; i >= 0; i--) // restore A in ascending order
+        {
+            a[i] = pq.top();
+            pq.pop();
+        }
+
+        for (int i = 0; i < n; i++)
+            cout << a[i] << " "; // print A
+
+        cout << endl;
+    }
+    return 0;
+}