#include <iostream> #include <valarray> #include <cmath> using namespace std; int main() { valarray<int> v(10); int i; for(i=0; i<10; i++) v[i] = i; cout << "Original contents: "; for(i=0; i<10; i++) cout << v[i] << " "; cout << endl; valarray<bool> vb = v < 5; cout << "Those elements less than 5: "; for(i=0; i<10; i++) cout << vb[i] << " "; cout << endl << endl; return 0; }