chore: import upstream snapshot with attribution

others/vector_important_functions.cpp

@@ -0,0 +1,43 @@
+/**
+ * @file
+ * @brief A C++ program to demonstrate working of std::sort(), std::reverse()
+ */
+#include <algorithm>
+#include <iostream>
+#include <numeric>  // For accumulate operation
+#include <vector>
+
+/** Main function */
+int main() {
+    // Initializing vector with array values
+    int arr[] = {10, 20, 5, 23, 42, 15};
+    int n = sizeof(arr) / sizeof(arr[0]);
+    std::vector<int> vect(arr, arr + n);
+
+    std::cout << "Vector is: ";
+    for (int i = 0; i < n; i++) std::cout << vect[i] << " ";
+
+    // Sorting the Vector in Ascending order
+    std::sort(vect.begin(), vect.end());
+
+    std::cout << "\nVector after sorting is: ";
+    for (int i = 0; i < n; i++) std::cout << vect[i] << " ";
+
+    // Reversing the Vector
+    std::reverse(vect.begin(), vect.end());
+
+    std::cout << "\nVector after reversing is: ";
+    for (int i = 0; i < 6; i++) std::cout << vect[i] << " ";
+
+    std::cout << "\nMaximum element of vector is: ";
+    std::cout << *max_element(vect.begin(), vect.end());
+
+    std::cout << "\nMinimum element of vector is: ";
+    std::cout << *min_element(vect.begin(), vect.end());
+
+    // Starting the summation from 0
+    std::cout << "\nThe summation of vector elements is: ";
+    std::cout << accumulate(vect.begin(), vect.end(), 0);
+
+    return 0;
+}