Question

If x = 5, y = 6, z = 4, and w = 3.5, evaluate each of the following statements, if possible. If it is not possible, state the reason.

((++y) * z) % x

(x % y) % (--z) a)

Static_cast<int> ((--y) + x / z)

Static_cast<int> (w + Static_cast<double> (x / z + w))

Answer 1

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1) Program

#include <iostream>

using namespace std;

int main()
{
int x = 5, y = 6, z = 4, w = 3.5;
cout<<((++y) * z) % x<<endl;

return 0;
}

Output

3

Here +++y gives 7

(++y)*z=7*4=28

28%3 =3, the answer

2) Program

#include <iostream>

using namespace std;

int main()
{
int x = 5, y = 6, z = 4, w = 3.5;
cout<<(x % y) % (--z) a)<<endl;

return 0;
}

Output

Error: Variable a is not declared

3) Program

#include <iostream>

using namespace std;

int main()
{
int x = 5, y = 6, z = 4, w = 3.5;
cout<<static_cast<int> ((--y) + x / z)<<endl;

return 0;
}

Output

6

4) Program

#include <iostream>

using namespace std;

int main()
{
int x = 5, y = 6, z = 4, w = 3.5;
cout<<static_cast<int> (w + static_cast<double> (x / z + w))<<endl;
return 0;
}

Output

7