object CombinedScalaProgram {
def main(args: Array[String]): Unit = {
val sc = new java.util.Scanner(System.in)
// Question 1
println("Enter a number:"); val num = sc.nextInt()
println(if (num > 0) "Positive" else if (num < 0) "Negative" else "Zero")
// Question 2
println("Enter four numbers:"); val secondMax = Array.fill(4)(sc.nextInt()).sorted.apply(2)
println(s"Second Maximum: $secondMax")
// Question 3
println("Enter a number for factorial:"); val n = sc.nextInt()
println(s"Factorial: ${(1 to n).product}")
// Question 4
println("Enter range n1 and n2:"); val (n1, n2) = (sc.nextInt(), sc.nextInt())
val avg = (n1 to n2).sum.toDouble / (n2 - n1 + 1)
println(s"Average: $avg")
}
object CombinedScalaProgram {
def main(args: Array[String]): Unit = {
val sc = new java.util.Scanner(System.in)
// Question 1: Check Perfect Numbers
println("Enter 5 numbers:")
for (_ <- 1 to 5) {
val n = sc.nextInt()
val sumOfDivisors = (1 until n).filter(n % _ == 0).sum
println(s"$n is ${if (sumOfDivisors == n) "Perfect" else "Not Perfect"}")
// Question 2: Sum of Primes Between 1 and 100
val primeSum = (2 to 100).filter(n => (2 until n).forall(n % _ != 0)).sum
println(s"Sum of primes between 1 and 100: $primeSum")
// Question 3: Convert Integer to Binary and Octal
println("Enter a number for binary and octal conversion:")
val num = sc.nextInt()
println(s"Binary: ${Integer.toBinaryString(num)}, Octal: ${Integer.toOctalString(num)}")
// Question 4: Fibonacci Series
println("Enter the limit for the Fibonacci series:")
val limit = sc.nextInt()
var (a, b) = (0, 1)
print("Fibonacci series: ")
while (a <= limit) {
print(s"$a ")
val next = a + b
a=b
b = next
println()
