Arrays and Strings in C++ MCQ question and answer with solution | C++ Programimg MCQs

#include <iostream>
#include <string>
using namespace std;
int main ()
{
    string str="Steve Jobs founded the apple";
    string str2 = str.substr (6, 4);
    unsigned pos = str.find("the");
    string str3 = str.substr (pos);
    cout << str2 << ' ' << str3 << '\n';
    return 0;
}

#include <stdio.h>
#include<iostream>
using namespace std;
int main()
{
    int a = 5, b = 10, c = 15;
    int arr[3] = {&a, &b, &c};
    cout << *arr[*arr[1] - 8];
    return 0;
}

#include <iostream>
#include <string>
using namespace std;
int main ()
{
    string str ("Steve jobs");
    cout << str.length();
    return 0;
}

#include <stdio.h>
#include <iostream>
using namespace std;
int main()
{
    int array[] = {10, 20, 30};
    cout << -2[array];
    return 0;
}