#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, 5, 15&#125;;        vector&lt;int&gt; v&#40;myints, myints + 5&#41;;        make_heap &#40;v.begin&#40;&#41;, v.end&#40;&#41;&#41;;        pop_heap &#40;v.begin&#40;&#41;, v.end&#40;&#41;&#41;;        v.pop_back&#40;&#41;;        cout &lt;&lt; v.front&#40;&#41; &lt;&lt; '\n';        return 0;    &#125;
A. 10
B. 20
C. 30
D. 5
Answer:A
#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, 5, 15&#125;;        vector&lt;int&gt; v&#40;myints, myints + 5&#41;;        make_heap &#40;v.begin&#40;&#41;, v.end&#40;&#41;&#41;;        pop_heap &#40;v.begin&#40;&#41;, v.end&#40;&#41;&#41;;        v.pop_back&#40;&#41;;        cout &lt;&lt; v.front&#40;&#41; &lt;&lt; '\n';        return 0;    &#125;
A. 10 B. 20 C. 30 D. 5
Explanation:In this program, We are forming a heap with the vector and then we are popping one element and finding the maximum element in the heap.