프로그래머스 Level1 : 2018 KAKAO BLIND RECRUITMENT [1차] 다트 게임 문제 class Solution { public int solution(String dartResult) { int answer = 0; int[] scores = new int[3]; int l = dartResult.length(); int index = -1; for(int i=0; i<l; i++){ char c = dartResult.charAt(i); if(c>='0' && c<='9'){ if(c=='1' && dartResult.charAt(i+1)=='0'){ index++; scores[index] = 10; i++; } else{ index++; scores[index] = c-'1'+1; } } else if(c=='D'){ scores[index] = (int)Math.pow(scores[index],2); } else if(c=='T'){ scores[index] = (int)Math.pow(scores[index],3); } else if(c=='*'){ scores[index] *= 2; if(index-1>=0){ scores[index-1] *= 2; } } else if(c=='#'){ scores[index] *= -1; } } for(int score: scores){ answer+=score; } return answer; } }