카카오 블라인드 채용 신입 공채 3차 코딩 테스트) 4번 문제

문제 출처 : http://tech.kakao.com/2017/11/14/kakao-blind-recruitment-round-3/

그대로 구현했는데,

테스트케이스가 적어 어떨지 모르겠네요.

public class kakao_3_4 { public static void main(String[] args) { solution(new String[]{"ABCDEFG", "12:00,12:14,HELLO,CDEFGAB", "13:00,13:05,WORLD,ABCDEF"}); solution(new String[]{"CC#BCC#BCC#BCC#B", "03:00,03:30,FOO,CC#B", "04:00,04:08,BAR,CC#BCC#BCC#B"}); solution(new String[]{"ABC", "12:00,12:14,HELLO,C#DEFGAB", "13:00,13:05,WORLD,ABCDEF"}); } static void solution(String[] playList) { String rememberSong = getChangedSong(playList[0]); String name = "None"; int playTime = 0; for (int i = 1; i < playList.length; i++) { Music tempMusic = new Music(playList[i]); if (tempMusic.getPlayResult().contains(rememberSong)) { int tempPlayTime = tempMusic.getPlayTimeByMinute(); if (playTime < tempPlayTime) { name = tempMusic.getName(); playTime = tempPlayTime; } } } System.out.println(name); } static String getChangedSong(String song) { String tempSong = song; tempSong = tempSong.replaceAll("C#", "V"); tempSong = tempSong.replaceAll("D#", "W"); tempSong = tempSong.replaceAll("F#", "X"); tempSong = tempSong.replaceAll("G#", "Y"); tempSong = tempSong.replaceAll("A#", "Z"); return tempSong; } } class Music { String name, playResult; int playTimeByMinute; Music (String playInfo) { String[] info = playInfo.split(","); setPlayTime(info[0], info[1]); name = info[2]; setPlayNumAndPlayResult(info[3]); } void setPlayTime(String startTime, String endTime) { int startTimeByMinute = getTime(startTime); int endTimeByMinute = getTime(endTime); playTimeByMinute = endTimeByMinute - startTimeByMinute; } int getTime(String time) { String[] timeInfo = time.split(":"); int minuteTime = (Integer.valueOf(timeInfo[0]) * 60) + (Integer.valueOf(timeInfo[1])); return minuteTime; } void setPlayNumAndPlayResult(String song) { String ChangedSong = getChangedSong(song); int musicLength = ChangedSong.length(); int fullPlay = playTimeByMinute / musicLength; int partialPlay = playTimeByMinute % musicLength; StringBuffer tempResult = new StringBuffer(); for (int i = 0; i < fullPlay; i++) { tempResult.append(ChangedSong); } tempResult.append(ChangedSong.substring(0, partialPlay)); playResult = tempResult.toString(); } String getChangedSong(String song) { String tempSong = song; tempSong = tempSong.replaceAll("C#", "V"); tempSong = tempSong.replaceAll("D#", "W"); tempSong = tempSong.replaceAll("F#", "X"); tempSong = tempSong.replaceAll("G#", "Y"); tempSong = tempSong.replaceAll("A#", "Z"); return tempSong; } String getPlayResult() { return playResult; } String getName() { return name; } int getPlayTimeByMinute() { return playTimeByMinute; } }