Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question

I need the last line sorted in numerical order from greatest to least.

2 4 6 8
1 3 5 7 9
8 6 4 2 1 3 5 7 9
9 7 5 3 1 2 4 6 8

here's the code

#include <iostream>
#include <vector>

using namespace std;
void print(vector<int> v)
{
    for (auto i : v)
    {
        cout << i << " ";
    }
    cout << endl;
}
void print_reverse(vector<int> v)
{
    for (int i = v.size() - 1; i >= 0; i--)
    {
        cout << v[i] << " ";
    }
    cout << endl;
}
string convert(string s)
{
    for (int i = 0; i < s.size(); i++)
    {
        if ((s[i] >= 'A' && s[i] <= 'Z') || (s[i] >= 'a' && s[i] <= 'z'))
            continue;
        else
            s[i] = '!';
    }
    return s;
}
string erase(string s)
{
    string ans;
    for (int i = 0; i < s.length(); i++)
    {
        if (s[i] != '!')
            ans += s[i];
    }
    return ans;
}
vector<int> add(vector<int>a, vector<int>b)
{
    for (int i = 0; i < b.size(); i++)
    {
        a.insert(a.begin(), b[i]);
    }
    return a;
}
int main()
{
    vector<int> A;
    A.push_back(2);
    A.push_back(4);
    A.push_back(6);
    A.push_back(8);
    print(A);
    vector<int> B = { 1,3,5,7,9 };
    print(B);
    B = add(B, A);
    print(B);
    (B.begin(), B.end());
    print_reverse(B);
    string C;
    cout << "Enter a string: ";
    cin >> C;
    C = convert(C);
    cout << C << endl;
    C = erase(C);
    cout << C;
    cout << endl;

}

Expert Solution
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Step 1

We need to write a C++ code to print the last line sorted in numerical order from greatest to least.

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