advent-of-code/2021/day-07/part_one.swift

26 lines
633 B
Swift

import Foundation
// Force-duplicated code, unable to import from another file
func read_file(path: String) throws -> [Int] {
let content = try String(contentsOfFile: path)
return content
.trimmingCharacters(in: CharacterSet.whitespacesAndNewlines)
.split(separator: ",")
.map { Int($0)! }
.sorted()
}
func part_one() {
let path = CommandLine.arguments[1]
let crab_positions = try! read_file(path: path)
let my_pos = crab_positions[crab_positions.count / 2]
let fuel_cost = crab_positions.reduce(0, {
$0 + abs(my_pos - $1)
})
print(fuel_cost)
}
part_one()