vector_stl_03.cpp

Vectors/vector_stl_03.cpp

@@ -0,0 +1,71 @@
+#include <iostream>
+#include <vector>
+#include <algorithm>        // to use sort()
+#include <functional>       // to use greater()
+using namespace std;
+
+int main()
+{
+    //****************************************************************************************************
+    //Sorting an Integer Vector in Ascending order
+
+    vector<int> a = { 100, 0, 23, 69, 43, 10};
+
+    cout << "Vector before Sorting: ";
+    for (unsigned int i = 0; i < a.size(); i++)  //using unsigned int because size() returns unsigned int
+        cout << a[i] << " ";
+    cout << endl;
+
+    // Sorting the vector in ascending order using sort() function and begin(), end() iterators
+    sort(a.begin(), a.end());
+
+    cout << "Sorted Vector(ascending order): ";
+    for (unsigned int i = 0; i < a.size(); i++)
+        cout << a[i] << " ";
+    cout << endl;
+
+    //****************************************************************************************************
+
+    //****************************************************************************************************
+    //Sorting an Integer Vector in Descending order
+
+    cout << endl;
+    vector<int> b = { 0, 1, 3, 5, 88, 73, 100 };
+
+    cout << "Vector before Sorting: ";
+    for (unsigned int i = 0; i < b.size(); i++)
+        cout << b[i] << " ";
+    cout << endl;
+
+    // Sorting the vector in descending order using sort() and greater() function and begin(), end() iterators
+    sort(b.begin(), b.end(), greater<int>());
+
+    cout << "Sorted Vector(descending order): ";
+    for (unsigned int i = 0; i < b.size(); i++)
+        cout << b[i] << " ";
+    cout << endl;
+
+    //****************************************************************************************************
+
+    //****************************************************************************************************
+    //Finding the max and min element in a vector
+
+    vector<int> c = { 23, 45, 129, 456, 100000, 3456, 90, 0};
+
+    cout << "\nVector: ";
+    for (unsigned int i = 0; i < c.size(); i++)
+        cout << c[i] << " ";
+
+    // Finding the smallest element in the vector
+    cout << "\nMin Element = "
+         << *min_element(c.begin(), c.end());
+
+    // Finding the largest element in the vector
+    cout << "\nMax Element = "
+         << *max_element(c.begin(), c.end());
+
+    //****************************************************************************************************
+
+
+    return 0;
+}