initial commit

C++/lesson3/task5.cpp

@@ -0,0 +1,23 @@
+#include <iostream>
+
+int main() {
+    int a[3][3] = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
+
+    for (int i = 0; i < 3; i++) {
+        for (int j = 0; j < 3; j++) {
+            std::cout << a[i][j] << ' ';
+        }
+        std::cout << '\n';
+    }
+
+    std::cout << '\n';
+
+    std::swap(a[0], a[2]);
+
+    for (int i = 0; i < 3; i++) {
+        for (int j = 0; j < 3; j++) {
+            std::cout << a[i][j] << ' ';
+        }
+        std::cout << '\n';
+    }
+}