Listen to each assistant's responses to the following instruction, and give each a score out of 100 and an explanation for the score. Here are some additional guidelines: * Do not award bonus points. * If the instruction includes additional context from which the response should be generated, deduct points if the response includes details not found within the provided context. * The assistants should not be making assumptions about the intent of the question. * If the instruction asks for results in a specific format, e.g. JSON, 50% of the score should be whether or not the assistant produced the correct format. * Award points for effort and problem formulation when the instruction is related to solving mathematical equations or coding. Respond in format "[assistant number]. [score]/100 - [explanation] Instruction: Develop a Scala program that simulates a simple calculator capable of performing addition, subtraction, multiplication, and division operations on two input numbers. Assistant 1's response: Here's a simple Scala program that simulates a calculator capable of performing addition, subtraction, multiplication, and division operations on two input numbers: ```scala object SimpleCalculator { def main(args: Array[String]): Unit = { println("Enter first number:") val num1 = readInt() println("Enter second number:") val num2 = readInt() println(s"Result for addition: $num1 + $num2") println(s"Result for subtraction: $num1 - $num2") println(s"Result for multiplication: $num1 * $num2") println(s"Result for division: $num1 / $num2") } def readInt(): Int = { val input = scala.io.StdIn.readLine() input.toInt } } ``` To run this program, you can use an online Scala compiler or save it in a file named `SimpleCalculator.scala` and compile it using the following command: ``` $ scalac SimpleCalculator.scala ``` This will create a file named `SimpleCalculator.class` in the same directory. You can then run the compiled program using: ``` $ scala SimpleCalculator ``` The program will prompt you to enter two numbers, and it will display the results for addition, subtraction, multiplication, and division. Assistant 2's response: Here's a simple Scala program that simulates a simple calculator that can perform addition, subtraction, multiplication and division operations: ```scala object Calculator { def main(args: Array[String]): Unit = { println("Welcome to the calculator") // get input from user println("Please enter the first number:") val num1 = scala.io.StdIn.readDouble() println("Please enter the second number:") val num2 = scala.io.StdIn.readDouble() // perform calculations val addition = num1 + num2 val subtraction = num1 - num2 val multiplication = num1 * num2 val division = if (num2 != 0) num1 / num2 else Double.NaN // print results println(s"Addition: $num1 + $num2 = $addition") println(s"Subtraction: $num1 - $num2 = $subtraction") println(s"Multiplication: $num1 * $num2 = $multiplication") if (division.isNaN) { println("Division: Cannot divide by zero") } else { println(s"Division: $num1 / $num2 = $division") } } } ``` This program prompts the user to input two numbers, then performs addition, subtraction, multiplication, and division operations on those numbers. If the user tries to divide by zero, the program returns an error message. The results are then printed to the console. Assistant 3's response: Sure, here is a simple Scala program that simulates a calculator capable of performing addition, subtraction, multiplication, and division operations on two input numbers: import scala.annotation.tailrec import scala.math.abs object Calculator { def add(x: Int, y: Int): Int = x + y def subtract(x: Int, y: Int): Int = x - y def multiply(x: Int, y: Int): Int = x * y def divide(x: Int, y: Int): Int = x / y def performOperation(op: String, x: Int, y: Int): Int = { op match { case "+" => add(x, y) case "-" => subtract(x, y) case "*" => multiply(x, y) case _ => throw new IllegalArgumentException("Invalid operation") } } def main(args: Array[String]): Unit = { println("Welcome to the Simple Calculator") println("Enter two numbers to perform an operation:") val x = readLine().toInt val y = readLine().toInt println("Enter an operation (+, -, *, /):") val op = readLine().charAt(0) val result = performOperation(op, x, y) val message = op match { case '+' => s"$x + $y = $result" case '-' => s"$x - $y = $result" case '*' => s"$x * $y = $result" case '/' => s"$x / $y = $result" } println(message) } } # Output: Welcome to the Simple Calculator Enter two numbers to perform an operation: 1 2 Enter an operation (+, -, *, /): + 1 + 2 = 3 # Output: Welcome to the Simple Calculator Enter two numbers to perform an operation: 5 6 Enter an operation (+, -, *, /): - 5 - 6 = -1 # Output: Welcome to the Simple Calculator Enter two numbers to perform an operation: 3 4 Enter an operation (+, -, *, /): * 3 * 4 = 12 # Output: Welcome to the Simple Calculator Enter two numbers to perform an operation: 2 8 Enter an operation (+, -, *, /): / 2 / 8 = 0.25 # Output: Assistant 4's response: Sure, here's a Scala program that simulates a simple calculator: ``` object Calculator { def main(args: Array[String]): Unit = { println("Welcome to the calculator!") println("Please enter the first number:") val firstNumber = readLine.toDouble println("Please enter the second number:") val secondNumber = readLine.toDouble println(s"Result: $firstNumber + $secondNumber = ${firstNumber + secondNumber}") println(s"Result: $firstNumber - $secondNumber = ${firstNumber - secondNumber}") println(s"Result: $firstNumber * $secondNumber = ${firstNumber * secondNumber}") println(s"Result: $firstNumber / $secondNumber = ${firstNumber / secondNumber}") } } ``` This program defines a `Calculator` object with a `main` method that prompts the user to enter two numbers, performs the desired operations, and outputs the results. The `readLine` method is used to read the user's input. To use this program, simply run it in the Scala interpreter or save it as a .scala file and run it using the Scala compiler. Assistant 5's response: Here is a simple Scala program that simulates a calculator capable of performing addition, subtraction, multiplication, and division operations on two input numbers: ``` object Calculator { def main(args: Array[String]): Unit = { // Prompt the user for input val num1 = readLine("Enter the first number: ") val num2 = readLine("Enter the second number: ") // Perform the selected operation var result = 0 switch (args(0)) { case "add" => result = num1 + num2 case "subtract" => result = num1 - num2 case "multiply" => result = num1 * num2 case "divide" => result = num1 / num2 case _ => println("Invalid operation") } // Print the result println("Result: " + result) } // Helper function to read input from the user def readLine(prompt: String): Int = { // Get input from the console sys.error("Error: " + Console.readLine()) } } ``` To use this program, you can run it from the command line and enter the operation you want to perform (e.g. "add", "subtract", "multiply", or "divide") as an argument. For example: ``` java -jar calculator.jar add 3 4 ``` This would perform the addition operation on the input numbers 3 and 4, and print the result 7 to the console. Assistant 6's response: Sure, here's a Scala program that implements a simple calculator: ``` object Calculator { def main(args: Array[String]) { println("Simple Calculator") println("------------------") println("nAddition:") val num1 = 5 val num2 = 7 println("Result: " + (num1 + num2)) println("nSubtraction:") val num1 = 12 val num2 = 5 println("Result: " + (num1 - num2)) println("nMultiplication:") val num1 = 4 val num2 = 5 println("Result: " + (num1 * num2)) println("nDivision:") val num1 = 12 val num2 = 4 println("Result: " + (num1 / num2)) } } ``` This program defines a `Calculator` object with a `main` method that prompts the user to enter two numbers for each operation. It then performs the specified operation and prints the result. Here's an example output: ``` Simple Calculator ------------------ nAddition: Enter first number: 5 Enter second number: 7 Result: 12 nSubtraction: Enter first number: 12 Enter second number: 5 Result: 7 nMultiplication: Enter first number: 4 Enter second number: 5 Result: 20 nDivision: Enter first number: 12 Enter second number: 4 Result: 3 ``` You can customize the program to accept user input for the numbers and perform other operations as well.