#include &lt;iostream&gt;    #include &lt;algorithm&gt;    #include &lt;vector&gt;    using namespace std;    int main &#40;&#41;     &#123;        int myints&#91;&#93; = &#123; 10, 20, 30 ,40 &#125;;        int * p;        p = find &#40;myints, myints + 4, 30&#41;;        --p;        cout &lt;&lt; *p &lt;&lt; '\n';        return 0;    &#125;
A. 10
B. 20
C. 30
D. 40
Answer:B
#include &lt;iostream&gt;    #include &lt;algorithm&gt;    #include &lt;vector&gt;    using namespace std;    int main &#40;&#41;     &#123;        int myints&#91;&#93; = &#123; 10, 20, 30 ,40 &#125;;        int * p;        p = find &#40;myints, myints + 4, 30&#41;;        --p;        cout &lt;&lt; *p &lt;&lt; '\n';        return 0;    &#125;
A. 10 B. 20 C. 30 D. 40