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How to set valarray2 elements to true only if the parallel element in valarray1 is less then N in C++

1 Answer

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

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

void print(valarray<int> va)
{
	for (int i = 0; i < va.size(); i++)
		cout << va[i] << " ";
	cout << endl;
}

int main()
{
	valarray<int> va1 = { 421, 22, 993, 34, 55, 98, 1 };
	valarray<bool> va2 = va1 < 100;

	print(va1);

	for (int i = 0; i < va2.size(); i++)
		cout << va2[i] << "  ";
	cout << endl;

	return 0;
}


/*
run:

421 22 993 34 55 98 1
0  1  0  1  1  1  1

*/

 




answered May 16 by avibootz
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