import java.io.File
 
fun main(args : Array<String>) {
  val content = File(args[0]).readText()
  val word    = args[1]
 
  println( search1(word,content) )
  println( search2(word,content) )
  println( search3(word,content) )
}
 
fun search1(word: String, content: String) : Boolean {
  return (content.indexOf(word) != (-1))
}
 
fun search2(word: String, content: String) : Int {
  var i = 0
  var n = 0
  while( { i = content.indexOf(word,i); i++ != -1 }() ) n++
  return n
}
 
 
data class Search3Result(val found: Boolean, val count: Int, val indices: List<Pair<Int,Int>>)
fun search3(word: String, content: String) : Search3Result {
  val indices = mutableListOf<Pair<Int,Int>>()
  var l = 0
 
  for( line in content.lines() ) {
    var i = 0
    while( { i = line.indexOf(word,i); i != -1 }() ){
      indices.add(Pair(l, i++))
    }
    l++
  }
 
  return Search3Result(indices.size > 0, indices.size, indices)
}
 
 
 

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