The Principle of Utility is also called
a. the Categorical Imperative.
b. the Difference Principle.
c. the Greatest Happiness Principle.
d. the Social Contract.
e. the Ten Commandments.
C
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Without the statement __________, all __________ statements must be written as std::cout.
a. using namespace std;, cout b. using std namespace;, cout c. using std::namespace;, cout d. using std;, namespace std::cout
Suppose we wanted to process a text file called "input.txt" using the Scanner object. Which of the following lines of code correctly creates the necessary Scanner object?
a)``` Scanner inputFile = new Scanner("input.txt"); ``` b)``` Scanner inputFile = new Scanner(new InputFile("input.txt"); ``` c)``` Scanner inputFile = new Scanner(new File(input.txt); ``` d)``` Scanner inputFile = new Scanner(new InputFile(input.txt); ``` e)``` Scanner inputFile = new Scanner(new File("input.txt"); ```
Which of the following algorithms solves the positive weighted single source shortest path problem?
a. breadth first search b. Dijkstra’s algorithm c. Kruskal’s algorithm d. all of the above e. none of (a), (b), and (c)
Suppose that we want to compute the geometric mean of a list of positive values. To compute the geometric mean of k values, multiply them all together and thenCcompute the kth root of the value. For example, the geometric mean of 2, 5, and 7 is . Use a loop with a sentinel value to allow a user to enter an arbitrary number of values. Compute and display the geometric mean of all the values, excluding the sentinel. (Hint: Math.pow(x, 1.0 / k) will compute the kth root of x.)
What will be an ideal response?