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[아리] 8주차 문제 제출 #244

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70 changes: 70 additions & 0 deletions 8주차/14906/14906_java_아리.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,70 @@
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.regex.Pattern;

public class Main {

private static final Pattern slumpPattern = Pattern.compile("^((D|E)(F)+)+(G)$");
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개인적으로 궁금한건데 slumpPattern 에서 (F)+가 아니고 F+라고 하면 의도대로 작동이 안되나요?
언제 그룹화를 해야 되고, 언제 안해야되는지 헷갈려서요!

private static final Pattern slimpPatternABC = Pattern.compile("(AB)\\w+(C)$");
private static final Pattern slimpPatternAC = Pattern.compile("(A)\\w+(C)$");

public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int count = Integer.parseInt(br.readLine());

StringBuilder result = new StringBuilder("SLURPYS OUTPUT\n");

while (count-- > 0) {
String input = br.readLine();
boolean isSlurpy = false;

// 스림프의 길이는 2 이상이니 2부터
for (int i = 2; i <= input.length() - 3; i++) {
String slimp = input.substring(0, i);
String slump = input.substring(i);

// 찾았다면 바로 끝~~
if (isSlimp(slimp) && isSlump(slump)) {
isSlurpy = true;
break;
}

}

result.append(isSlurpy ? "YES\n" : "NO\n");

}

result.append("END OF OUTPUT");

System.out.println(result);

}

private static boolean isSlump(String input) {
return slumpPattern.matcher(input).matches();
}

private static boolean isSlimp(String input) {

if (input.length() > 3) {

// AB - C라면 가운데 스림프인지 확인
if (slimpPatternABC.matcher(input).matches()) {
return isSlimp(input.substring(2, input.length() - 1));
}

// A - C 라면 가운데 스림프인지 확인
else if (slimpPatternAC.matcher(input).matches()) {
return isSlump(input.substring(1, input.length() - 1));
}

} else {
return input.equals("AH");
}

return false;
}
}