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How to initialize and print valarray in C++

6 Answers

0 votes
#include <iostream>
#include <valarray>

using std::cout;
using std::endl;

int main()
{
	std::valarray<int> va(5);

	for (int i = 0; i < 5; i++)
		va[i] = i;

	for (int i = 0; i < 5; i++)
		cout << va[i] << " ";

	cout << endl;

	return 0;
}


/*
run:

0 1 2 3 4

*/

 




answered May 15 by avibootz
0 votes
#include <iostream>
#include <valarray>

using std::cout;
using std::endl;

int main()
{
	std::valarray<int> va(5);

	for (int i = 0; i < 5; i++)
		cout << va[i] << " ";

	cout << endl;

	return 0;
}


/*
run:

0 0 0 0 0

*/

 




answered May 15 by avibootz
0 votes
#include <iostream>
#include <valarray>

using std::cout;
using std::endl;

int main()
{
	std::valarray<int> va(13, 5);

	for (int i = 0; i < 5; i++)
		cout << va[i] << " ";

	cout << endl;

	return 0;
}


/*
run:

13 13 13 13 13

*/

 




answered May 15 by avibootz
0 votes
#include <iostream>
#include <valarray>

using std::cout;
using std::endl;

int main()
{
	int arr[] = { 1, 2, 3, 4, 5 };
	std::valarray<int> va(arr, 5);

	for (int i = 0; i < 5; i++)
		cout << va[i] << " ";

	cout << endl;

	return 0;
}


/*
run:

1 2 3 4 5

*/

 




answered May 15 by avibootz
0 votes
#include <iostream>
#include <valarray>

using std::cout;
using std::endl;

int main()
{
	int arr[] = { 421, 22, 993, 34, 55 };
	std::valarray<int> va1(arr, 5);
	std::valarray<int> va2(va1);

	for (int i = 0; i < 5; i++)
		cout << va2[i] << " ";

	cout << endl;

	return 0;
}


/*
run:

421 22 993 34 55

*/

 




answered May 15 by avibootz
0 votes
#include <iostream>
#include <valarray>

using std::cout;
using std::endl;

int main()
{
	std::valarray<int> va = { 421, 22, 993, 34, 55 };

	for (int i = 0; i < 5; i++)
		cout << va[i] << " ";

	cout << endl;

	return 0;
}


/*
run:

421 22 993 34 55

*/

 




answered May 15 by avibootz
...