// Created for this challenge: // https://www.sololearn.com/post/31509 // Dinesman's multiple-dwelling problem! // [TASK:] // Baker, Cooper, Fletcher, Miller, and Smith live on different floors of an apartment house that contains only five floors. // • Baker does not live on the top floor. // • Cooper does not live on the bottom floor. // • Fletcher does not live on either the top or the // bottom floor. // • Miller lives on a higher floor than does Cooper. // • Smith does not live on a floor adjacent to // Fletcher's. // • Fletcher does not live on a floor adjacent to // Cooper's. // ➞ Question: Where does everyone live? // Output: // Possible arrangement: SCBFM // (bottom floor) Smith, Cooper, Baker, // Fletcher, Miller (top floor) // HappyCoding!:) // https://code.sololearn.com/W9w6846s3OdA/?ref=app fun check(selection: Array) { fun lookup(person: Char): Int { for (index in 0..4) if (person == selection[index]) return index return -1 } // lookup // • Baker does not live on the top floor. var result = lookup('B') != 4 // • Cooper does not live on the bottom floor. result = result && lookup('C') != 0 // • Fletcher does not live on either the top or the // bottom floor. var first = lookup('F') result = result && first != 0 && first != 4 // • Miller lives on a higher floor than does Cooper. first = lookup('M') var second = lookup('C') result = result && first > second // • Smith does not live on a floor adjacent to // Fletcher's. first = lookup('S') second = lookup('F') result = result && first+1 != second && first-1 != second // • Fletcher does not live on a floor adjacent to // Cooper's. first = lookup('F') second = lookup('C') result = result && first+1 != second && first-1 != second if (result) { for (person in selection) when (person) { 'B' -> print("Baker ") 'C' -> print("Cooper ") 'F' -> print("Fletcher ") 'M' -> print("Miller ") 'S' -> print("Smith ") } // when println() } // if } // check fun fifth(selection: Array, people: List) { selection[4] = people[0] check(selection) selection[4] = ' ' } // fifth fun fourth(selection: Array, people: List) { for (person in people) { selection[3] = person fifth(selection, people.filter{item -> item !in selection}) } // for selection[3] = ' ' } // fourth fun third(selection: Array, people: List) { for (person in people) { selection[2] = person fourth(selection, people.filter{item -> item !in selection}) } // for selection[2] = ' ' } // third fun second(selection: Array, people: List) { for (person in people) { selection[1] = person third(selection, people.filter{item -> item !in selection}) } // for selection[1] = ' ' } // second fun first() { val people = listOf('B', 'C', 'F', 'M', 'S') val selection = Array(5) {' '} for (person in people) { selection[0] = person second(selection, people.filter{item -> item !in selection}) } // for } // first fun main(args: Array) { first() } // main

dwelling ch