//
// program to count out change:
//
// prompt user for number of cents.
// print equivalent number of dollars, quarters, dimes, nickels, pennies.
//
// this version uses a "var" variable
//

// 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)

var centsLeft = cents

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

val quarters = centsLeft / 25
println(quarters + " quarters")
centsLeft = centsLeft - quarters*25

val dimes = centsLeft / 10
println(dimes + " dimes")
centsLeft = centsLeft - dimes*10

val nickels = centsLeft / 5
println(nickels + " nickels")
centsLeft = centsLeft - nickels*5

val pennies = centsLeft
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))