//
// program to count out change:
//
// prompt user for number of cents.
// print equivalent number of dollars, quarters, dimes, nickels, pennies.
//
// this version uses "val" variables only
// and includes some use of conditional execution:
//   rejects amounts < 0
//   only prints nonzero amounts

// the next line is needed to avoid warnings with the newest Scala
// "comment it out" (insert a //) if you compile with an earlier version
import scala.io.StdIn._

println("number of cents?")

val cents = readInt
println("input "+cents)

val dollars = cents / 100
println(dollars + " dollars")

val quarters = (cents - dollars*100) / 25
println(quarters + " quarters")

val dimes = (cents - dollars*100 - quarters*25) / 10
println(dimes + " dimes")

val nickels = (cents - dollars*100 - quarters*25 - dimes*10) / 5
println(nickels + " nickels")

val pennies = (cents - dollars*100 - quarters*25 - dimes*10 - nickels*5)
println(pennies + " pennies")

val checkAnswer = dollars*100 + quarters*25 + dimes*10 + nickels*5 + pennies
println("that adds up to "+checkAnswer)

println("in dollars and cents "+dollars+"."+(cents%100))