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How to initialize alarray with part of other alarray in C++

2 Answers

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

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

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

	std::valarray<int> va_part(va1[std::slice(1, 2, 1)]);

	for (int i = 0; i < va_part.size(); i++)
		cout << va_part[i] << " ";

	cout << endl;

	return 0;
}


/*
run:

22 993

*/

 




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

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

int main()
{
	std::valarray<int> va1 = { 421, 22, 993, 34, 55, 98, 1 };

	std::valarray<int> va_part(va1[std::slice(2, 4, 1)]);

	for (int i = 0; i < va_part.size(); i++)
		cout << va_part[i] << " ";

	cout << endl;

	return 0;
}


/*
run:

993 34 55 98

*/

 




answered May 15 by avibootz
...