//

// Created by zing on 6/30/2020.

//

/* lambda_returning_value.cpp */

#include <vector>

#include <algorithm>

#include <iostream>

using namespace std;

auto main() -> int {

cout << "[lambda_returning_value.cpp]" << endl;

// Initializing a vector containing integer element

vector<int> vect;

vect.reserve(10);

for (int i = 0; i < 10; ++i)

vect.push_back(i);

// Displaying the elements of vect

cout << "Original Data:" << endl;

for_each(

begin(vect),

end(vect),

[](int n) {

cout << n << " ";

});

cout << endl;

// Creating another vect2 vector

vector<int> vect2;

// Resize the size of vect2 exactly same with vect

vect2.resize(vect.size());

// Doubling the elements of vect and store to vect2

transform(

begin(vect),

end(vect),

begin(vect2),

[](int n) {

return n * n;

});

// Displaying the elements of vect2

cout << "Squared Data:" << endl;

for_each(

begin(vect2),

end(vect2),

[](int n) {

cout << n << " ";

});

cout << endl;

// Creating another vect3 vector

vector<double> vect3;

// Resize the size of vect3 exactly same with vect

vect3.resize(vect.size());

// Finding the average of the elements of vect

// and store to vect2

transform(

begin(vect2),

end(vect2),

begin(vect3),

[](int n) -> double {

return n / 2.0;

});

// Displaying the elements of vect3

cout << "Average Data:" << endl;

for_each(

begin(vect3),

end(vect3),

[](double d) {

cout << d << " ";

});

cout << endl;

return 0;

}