[LeedCode] 13. Roman to Integer (Swift)
https://leetcode.com/problems/roman-to-integer/ 로마숫자를 정수로 변환하는 문제 class Solution { let integer: [Character: Int] = [ "I" :1, "V" :5, "X" :10, "L" :50, "C" :100, "D" :500, "M" :1000 ] func romanToInt(_ s: String) -> Int { var result = 0 var previous = 0 for roman in s.reversed() { let digit = integer[roman]! if digit >= previous { result += digit } else { result -= digit } previous = digit } retu..
알고리즘
2022. 4. 3. 19:19