document vector sort, reverse example

others/vector_important_functions.cpp

@@ -1,45 +1,43 @@
-// A C++ program to demonstrate working of sort(),
+/**
-// reverse()
+ * @file
+ * @brief A C++ program to demonstrate working of std::sort(), std::reverse()
+ */
 #include <algorithm>
 #include <iostream>
+#include <numeric>  // For accumulate operation
 #include <vector>
-#include <numeric> //For accumulate operation
-using namespace std;
 
-int main()
+/** Main function */
-{
+int main() {
-	// Initializing vector with array values
+    // Initializing vector with array values
-	int arr[] = {10, 20, 5, 23 ,42 , 15};
+    int arr[] = {10, 20, 5, 23, 42, 15};
-	int n = sizeof(arr)/sizeof(arr[0]);
+    int n = sizeof(arr) / sizeof(arr[0]);
-	vector<int> vect(arr, arr+n);
+    std::vector<int> vect(arr, arr + n);
 
-	cout << "Vector is: ";
+    std::cout << "Vector is: ";
-	for (int i=0; i<n; i++)
+    for (int i = 0; i < n; i++) std::cout << vect[i] << " ";
-		cout << vect[i] << " ";
 
-	// Sorting the Vector in Ascending order
+    // Sorting the Vector in Ascending order
-	sort(vect.begin(), vect.end());
+    std::sort(vect.begin(), vect.end());
 
-	cout << "\nVector after sorting is: ";
+    std::cout << "\nVector after sorting is: ";
-	for (int i=0; i<n; i++)
+    for (int i = 0; i < n; i++) std::cout << vect[i] << " ";
-	cout << vect[i] << " ";
 
-	// Reversing the Vector
+    // Reversing the Vector
-	reverse(vect.begin(), vect.end());
+    std::reverse(vect.begin(), vect.end());
 
-	cout << "\nVector after reversing is: ";
+    std::cout << "\nVector after reversing is: ";
-	for (int i=0; i<6; i++)
+    for (int i = 0; i < 6; i++) std::cout << vect[i] << " ";
-		cout << vect[i] << " ";
 
-	cout << "\nMaximum element of vector is: ";
+    std::cout << "\nMaximum element of vector is: ";
-	cout << *max_element(vect.begin(), vect.end());
+    std::cout << *max_element(vect.begin(), vect.end());
 
-	cout << "\nMinimum element of vector is: ";
+    std::cout << "\nMinimum element of vector is: ";
-	cout << *min_element(vect.begin(), vect.end());
+    std::cout << *min_element(vect.begin(), vect.end());
 
-	// Starting the summation from 0
+    // Starting the summation from 0
-	cout << "\nThe summation of vector elements is: ";
+    std::cout << "\nThe summation of vector elements is: ";
-	cout << accumulate(vect.begin(), vect.end(), 0);
+    std::cout << accumulate(vect.begin(), vect.end(), 0);
 
-	return 0;
+    return 0;
 }