kotlinで簡単なプログラミング

search_target_string.kt

fun random(min: Double = 0.0, max: Double = 1.1) = (Math.random() * (max - min + 1)) + min

fun random(min: Int = 0, max: Int = 1) = ((Math.random() * (max - min + 1)) + min).toInt()

fun randomASCII(upper: Boolean = true) = (if (upper) random(65, 90) else random(97, 122)).toChar()

fun randomString(n: Int = 5) = (1..n).map { randomASCII() }.joinToString(separator = "")

const val answer = "CAT"

fun main(args: Array<String>) {
    var count = 1
    while (true) {
        val s = randomString(3)
        val msg = if (s == answer) "FOUND    : $s" else "NOT FOUND: $s"
        println("${count++} $msg")
        if (s == answer) {
            break
        }
        //Thread.sleep(1000 / 60)
    }
}