#include &lt;iostream&gt;    #include &lt;functional&gt;    #include &lt;algorithm&gt;    using namespace std;    int main &#40;&#41;    &#123;        int numbers&#91;&#93; = &#123;10, -20, -30, 40, -50&#125;;        int cx;        cx = count_if &#40; numbers, numbers + 5, bind2nd&#40;less&lt;int&gt;&#40;&#41;, 0&#41; &#41;;        cout &lt;&lt; cx;        return 0;    &#125;
A. 1
B. 2
C. 3
D. 4
Answer:A
#include &lt;iostream&gt;    #include &lt;functional&gt;    #include &lt;algorithm&gt;    using namespace std;    int main &#40;&#41;    &#123;        int numbers&#91;&#93; = &#123;10, -20, -30, 40, -50&#125;;        int cx;        cx = count_if &#40; numbers, numbers + 5, bind2nd&#40;less&lt;int&gt;&#40;&#41;, 0&#41; &#41;;        cout &lt;&lt; cx;        return 0;    &#125;
A. 1 B. 2 C. 3 D. 4
Explanation:In this program, We are calculating the number of negative elements present in the program by using function objects.