atonamy

fun main(args : Array<String>) {
  println("abc".generatePermutations())
}

fun StringBuilder.generatePermutations(start: Int = 0, finish: Int = length-1,
                                       result: MutableSet<String> = HashSet()) : Set<String> {
    if(start == finish) 
        result.add(String(this))
    else
        for(i in start .. finish) {

atonamy

fun main(args : Array<String>) {
   println("A man, a plan, a canal, Panama!".isContainsPalindrome())
}

fun String.isContainsPalindrome(): Boolean {

        // handel edge cases
        if(length == 0)
            return false

atonamy

package quicksort

import java.util.Collections


fun main(args : Array<String>) {
    val list = "abcdefghijklmnopqrstuvwxyz".toMutableList()
    Collections.shuffle(list)
    println("before sort: $list")
    list.quicksort()

atonamy

package NearbyWords

import java.util.LinkedList
import kotlin.collections.HashSet

typealias CharSet =  MutableFifthly<Set<Char>, Iterator<Char>, Char?, Long, Long>

class MutableFifthly<A, B, C, D, E>(
        var first: A,
        var second: B,

atonamy

package NearbyWordsAlt

import kotlin.collections.HashSet

fun main(args : Array<String>) {
    println(nearbyWords("gi"))
}

fun getAllWordPermutations(word: String): Set<String> {

atonamy

package NearbyWords

import kotlin.collections.HashSet

fun main(args : Array<String>) {
    println(nearbyWords("gi"))
}

fun nearbyWords(word: String): Set<String> {
    val permutations = getAllWordPermutations(word, 0)