scala

object scall1 {
  def main(args: Array[String]): Unit = {
    print("输入n的值（大于等于3）：")
    val n = scala.io.StdIn.readInt()
    var a = 1
    var b = 1
    println(s"第${1}项是：1")
    println(s"第${2}项是：1")
    for(i <- 3 to n){
      val c = a+b
      println(s"第${i}项是： ${c}")
      a = b
      a = c
    }
  }
}

object scala2 {
  def main(args: Array[String]): Unit = {
    for(i <- 1 to 5) {
      for(j <- 1 to 5) {
        print(i)
      }
      println()
    }
  }
}

object scala3 {
  def main(args: Array[String]): Unit = {
    for(x <- 0 to 20) {
      for(y <- 0 to 33) {
        var z = 100 - x - y
        if(5*x + 3*y + z/3 == 100){
          println(x,y,z)
        }
      }
    }
  }

}