[Swift] 겹치는 선분의 길이
import Foundation func solution(_ lines:[[Int]]) -> Int { var wholeLine = Array(repeating: 0, count: 200) for line in lines { for idx in stride(from: line.first!, to: line.last!, by: 1) { wholeLine[idx] += 1 } } return wholeLine.filter { $0 >= 2 }.count }
2022.12.13