CS111 Quiz 3
What is the value of average after the following code executes? double average; average = 1.0 + 2.0 + 3.0 / 3.0;
4.0
What will the value of x be after the following statements execute? int x = 0; int y = 5; int z = 4; x = y + z * 2;
13
Assume that x is an int variable. What value is assigned to x after the following assignment statement is executed? x = - 3 + 4 % 6 / 5;
-3
What is the value stored at x, given the statements: int x; x = 3 / static_cast<int> (4.5 + 6.4);
0
Which line in the following program will cause a compiler error? 1 #include <iostream> 2 using namespace std; 3 4 int main() 5 { 6 const int MY_VAL = 77; 7 MY_VAL = 99; 8 cout << MY_VAL << endl; 9 return 0; 10 }
7
What will the value of result be after the following statement executes? result = 6 - 3 * 2 + 7 - 10 / 2 ;
2
What will the value of x be after the following statements execute? x = (19 − 3) * (2 + 3) / 4
20
In the following C++ statement, what will be executed first according to the order of precedence? result = 6 - 3 * 2 + 7 - 10 / 2;
3 * 2
Write the C++ expression for the following algebraic expression. (a^3)/(b^2 k^4)
c = pow(a, 3) / (pow(b, 2) * pow(k, 4));
You want the user to enter the length, width, and height from the keyboard. Which cin statement is correctly written?
cin >> length >> width >> height;