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document vector sort, reverse example

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Krishna Vedala 2020-05-28 15:55:46 -04:00
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others/vector_important_functions.cpp
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@ -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()
{
// Initializing vector with array values
int arr[] = {10, 20, 5, 23 ,42 , 15};
int n = sizeof(arr)/sizeof(arr[0]);
vector<int> vect(arr, arr+n);
/** 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);
cout << "Vector is: ";
for (int i=0; i<n; i++)
cout << vect[i] << " ";
std::cout << "Vector is: ";
for (int i = 0; i < n; i++) std::cout << vect[i] << " ";
// Sorting the Vector in Ascending order
sort(vect.begin(), vect.end());
// Sorting the Vector in Ascending order
std::sort(vect.begin(), vect.end());
cout << "\nVector after sorting is: ";
for (int i=0; i<n; i++)
cout << vect[i] << " ";
std::cout << "\nVector after sorting is: ";
for (int i = 0; i < n; i++) std::cout << vect[i] << " ";
// Reversing the Vector
reverse(vect.begin(), vect.end());
// Reversing the Vector
std::reverse(vect.begin(), vect.end());
cout << "\nVector after reversing is: ";
for (int i=0; i<6; i++)
cout << vect[i] << " ";
std::cout << "\nVector after reversing is: ";
for (int i = 0; i < 6; i++) std::cout << vect[i] << " ";
cout << "\nMaximum element of vector is: ";
cout << *max_element(vect.begin(), vect.end());
std::cout << "\nMaximum element of vector is: ";
std::cout << *max_element(vect.begin(), vect.end());
cout << "\nMinimum element of vector is: ";
cout << *min_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
cout << "\nThe summation of vector elements is: ";
cout << accumulate(vect.begin(), vect.end(), 0);
// Starting the summation from 0
std::cout << "\nThe summation of vector elements is: ";
std::cout << accumulate(vect.begin(), vect.end(), 0);
return 0;
return 0;
}