특정 문자 제거하기 class Solution { fun solution(my_string: String, letter: String) = my_string.replace(letter,"") } 각도기 class Solution { fun solution(angle: Int) = if (angle < 90) 1 else if (angle == 90) 2 else if (angle < 180) 3 else 4 } 양꼬치 class Solution { fun solution(n: Int, k: Int) = n * 12000 + ((k-n/10)*2000) } 짝수의 합 class Solution { fun solution(number: Int): Int = (0..number step 2).sum() }