Funksiyalar

fun salomlash(ism: String) {
    println("Assalomu alaykum, $ism!")
}

fun yigindi(a: Int, b: Int): Int {
    return a + b
}

fun main() {
    salomlash("Malika")
    println(yigindi(15, 27))
}

fun yigindi(a: Int, b: Int): Int = a + b
fun kvadrat(x: Int) = x * x
fun kattasi(a: Int, b: Int) = if (a > b) a else b
fun salom(ism: String) = "Salom, $ism!"

fun main() {
    println(yigindi(15, 27))
    println(kvadrat(9))
    println(kattasi(7, 12))
    println(salom("Nodira"))
}

fun chiqar(matn: String): Unit {
    println(matn)
}

fun chiqar2(matn: String) {
    println(matn)
}

fun main() {
    chiqar("birinchi")
    chiqar2("ikkinchi")

    val natija = chiqar("uchinchi")
    println(natija)
}

fun salomlash(ism: String, unvon: String = "hurmatli") =
    "Assalomu alaykum, $unvon $ism!"

fun chiziq(uzunlik: Int = 20, belgi: Char = '-') =
    belgi.toString().repeat(uzunlik)

fun main() {
    println(salomlash("Nodira"))
    println(salomlash("Karimov", "ustoz"))
    println(chiziq())
    println(chiziq(10))
    println(chiziq(10, '='))
}

fun hisobot(
    nom: String,
    yil: Int = 2026,
    oy: Int = 1,
    toliq: Boolean = false
) = "$nom: $yil-yil $oy-oy (to'liq: $toliq)"

fun main() {
    println(hisobot("Savdo"))
    println(hisobot("Savdo", oy = 9))
    println(hisobot("Savdo", toliq = true))
    println(hisobot(nom = "Savdo", oy = 12, yil = 2025))
}

fun jami(vararg sonlar: Int): Int {
    var natija = 0
    for (son in sonlar) natija += son
    return natija
}

fun royxat(sarlavha: String, vararg elementlar: String) =
    "$sarlavha: ${elementlar.joinToString(", ")}"

fun main() {
    println(jami(1, 2, 3))
    println(jami(10, 20, 30, 40, 50))
    println(jami())

    println(royxat("Shaharlar", "Namangan", "Andijon"))

    val massiv = intArrayOf(5, 10, 15)
    println(jami(*massiv))
}

fun hisobot(ballar: List<Int>): String {
    fun ortacha() = ballar.sum().toDouble() / ballar.size
    fun baho(x: Double) = if (x >= 85) "a'lo" else "yaxshi"

    val o = ortacha()
    return "O'rtacha: $o, baho: ${baho(o)}"
}

fun main() {
    println(hisobot(listOf(85, 92, 95)))
    println(hisobot(listOf(70, 75, 80)))
}

fun faktorial(n: Int): Long =
    if (n <= 1) 1 else n * faktorial(n - 1)

tailrec fun yigindi(n: Int, jami: Long = 0): Long =
    if (n == 0) jami else yigindi(n - 1, jami + n)

fun main() {
    println((1..8).joinToString(" ") { "${faktorial(it)}" })
    println(yigindi(100000))
}

fun bolibChiq(jami: Int, bolovchi: Int): Pair<Int, Int> =
    Pair(jami / bolovchi, jami % bolovchi)

fun main() {
    val (butun, qoldiq) = bolibChiq(47, 6)
    println("$butun ta to'la, $qoldiq ta ortdi")

    val juft = bolibChiq(20, 7)
    println(juft.first)
    println(juft.second)
    println(juft)
}

fun `ikki sonni qo'shadi`(a: Int, b: Int) = a + b

fun main() {
    println(`ikki sonni qo'shadi`(2, 3))
}