Question

What is the output of this program?

    #include <iostream>
    #include <algorithm>
    #include <vector>
    using namespace std;
    bool mygreater (int i,int j) 
    {
        return (i > j);
    }
    int main () 
    {
        int myints[] = {10, 20, 30, 30, 20, 10, 10, 20};
        vector<int> v(myints, myints + 8);
        pair<vector<int> :: iterator, vector<int> :: iterator> bounds;
        sort (v.begin(), v.end());
        bounds = equal_range (v.begin(), v.end(), 20);
        cout  << (bounds.first - v.begin());
        cout << " and " << (bounds.second - v.begin()) << '\n';
        return 0;
    }

a.

3 and 6

b.

2 and 5

c.

3 and 5

d.

2 and 4

Posted under Object Oriented Programming Using C++

Answer: (a).3 and 6

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