From b696b8f6779ab3924d37f24961f206442a6269d5 Mon Sep 17 00:00:00 2001
From: HeeEul Shin <83682424+ShinHeeEul@users.noreply.github.com>
Date: Wed, 26 Feb 2025 15:16:02 +0900
Subject: [PATCH] =?UTF-8?q?[20250226]=20BOJ=20/=20=ED=94=8C=EB=9E=985=20/?=
 =?UTF-8?q?=20=EC=B0=BE=EA=B8=B0=20/=20=EC=8B=A0=ED=9D=AC=EC=9D=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../26 BOJ P5 \354\260\276\352\270\260.md"    | 69 +++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 "ShinHeeEul/202502/26 BOJ P5 \354\260\276\352\270\260.md"

diff --git "a/ShinHeeEul/202502/26 BOJ P5 \354\260\276\352\270\260.md" "b/ShinHeeEul/202502/26 BOJ P5 \354\260\276\352\270\260.md"
new file mode 100644
index 00000000..088ef8b0
--- /dev/null
+++ "b/ShinHeeEul/202502/26 BOJ P5 \354\260\276\352\270\260.md"	
@@ -0,0 +1,69 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+
+	static int[] failure;
+	static int count = 0;
+	static int pLength;
+	static int tLength;
+	static StringBuilder sb;
+	
+	public static void main(String[] args) throws IOException {
+		// TODO Auto-generated method stub
+		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+		
+		char[] T = br.readLine().toCharArray();
+		char[] P = br.readLine().toCharArray();
+		
+		pLength = P.length;
+		tLength = T.length;
+		
+		failure = new int[P.length];
+		sb = new StringBuilder();
+		failureFunction(P);
+		KMP(T, P);
+		
+		System.out.println(count);
+		System.out.println(sb);
+	}
+	
+	public static void failureFunction(char[] s) {
+		
+		int pIdx = 0;
+		
+		for(int index = 1; index < pLength; index++) {
+			
+			while(pIdx != 0 && s[index] != s[pIdx]) pIdx = failure[pIdx - 1];
+			
+			if(s[pIdx] == s[index]) {
+				pIdx++;
+				failure[index] = pIdx;
+			}
+		}
+		
+	}
+	
+	public static void KMP(char[] t, char[] p) {
+		int pIdx = 0;
+		
+		for(int index = 0; index < tLength; index++) {
+			
+			while(pIdx != 0 && t[index] != p[pIdx]) pIdx = failure[pIdx - 1];
+			
+			if(t[index] == p[pIdx]) {
+				if(pIdx == pLength - 1) {
+					sb.append(index - pLength + 2).append(" ");
+					count++;
+					pIdx = failure[pIdx];
+				} else {
+					pIdx++;
+				}
+			}
+		}
+		
+	}
+
+}
+```