From 04b14272efcf43bbddd1da8d156a3bb83d90f844 Mon Sep 17 00:00:00 2001
From: rl544 <111494264+rl544@users.noreply.github.com>
Date: Tue, 27 Dec 2022 08:45:22 +0900
Subject: [PATCH] =?UTF-8?q?uploaded=20at=202022.=2012.=2027.=20=EC=98=A4?=
 =?UTF-8?q?=EC=A0=84=208:45:21?=
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---
 programmers/전화번호 목록/solution.java | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 programmers/전화번호 목록/solution.java

diff --git a/programmers/전화번호 목록/solution.java b/programmers/전화번호 목록/solution.java
new file mode 100644
index 0000000..59ba6f8
--- /dev/null
+++ b/programmers/전화번호 목록/solution.java	
@@ -0,0 +1,21 @@
+// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/42577
+
+import java.util.Arrays;
+class Solution {
+    public boolean solution(String[] pb) {
+        boolean answer = true;
+        Arrays.sort(pb);
+        for(int a = 0; a < pb.length; a++){
+            for(int b = a+1; b < a+2; b++){
+                if(pb[b%pb.length].replaceAll(pb[a],"s").matches("^s.+")){
+                    answer = false;
+                    break;
+                }
+            }
+            if(answer == false){
+                break;
+            }
+        }
+        return answer;
+    }
+}
\ No newline at end of file