C++

Evaluate the value of z if the following code segments are executed.

1.

2.

3.

int a, b, z: a = 3; b = 4; a = b; b = a; Z = b; a int x, y, z: x = 3; y = 7; z = 8; if (x > y ) if ( x - y == 4) z = 33; else z = 77; int a, b, z; a = 1; b = 4; while (a