Operators and Expressions in C++
practice.

What will be the value of 'x' after executing the following code: int x = 5; x += 3; in C++?

What is the purpose of the ternary operator (?:) in C++?

What will be the output of the following code: cout << (4 > 3 ? "Yes" : "No"); in C++?

What is the result of the expression: 10 % 3 in C++?

What does the 'sizeof' operator return in C++?

What is the output of the following code: cout << (5 != 5); in C++?

Which operator is having the highest precedence?

What will be the output of the following C++ code?

#include <iostream>
using namespace std;
int main ()
{
    int x, y;
    x = 5;
    y = ++x * ++x;
    cout << x << y;
    x = 5;
    y = x++ * ++x;
    cout << x << y;
    return 0;
}

What will be the output of the following C++ code?

#include <iostream>
using namespace std;
int main()
{
    int a = 5, b = 6, c, d;
    c = a, b;
    d = (a, b);
    cout << c << ' ' << d;
    return 0;
}

What will be the output of the following C++ code?

#include <iostream>
using namespace std;
int main()
{
    int a = 5, b = 6, c;
    c = (a > b) ? a : b;
    cout << c;
    return 0;
}

What is this operator called ?:?

Which operator is having the right to left associativity in the following?

What is the use of dynamic_cast operator?

What will be the output of the following C++ code?

#include <iostream>
using namespace std;
main()
{
    double a = 21.09399;
    float b = 10.20;
    int c ,d;
    c = (int) a;
    d = (int) b;
    cout << c <<' '<< d;
    return 0;
}

What will be the output of the following C++ code?

#include <iostream>
using namespace std;
int main()
{
    int i, j;
    j = 10;
    i = (j++, j + 100, 999 + j);
    cout << i;
    return 0;
}

What will be the output of the following C++ code?

#include <iostream>
using namespace std;
int main()
{
    int a;
    a = 5 + 3 * 5;
    cout << a;
    return 0;
}