diff --git a/_03.串/02模式匹配_KMP.c b/_03.串/02模式匹配_KMP.c
deleted file mode 100644
index 0b09c04..0000000
--- a/_03.串/02模式匹配_KMP.c
+++ /dev/null
@@ -1,262 +0,0 @@
-#include "string.h"
-#include "stdio.h"
-#include "stdlib.h"
-#include "io.h"
-#include "math.h"
-#include "time.h"
-
-#define OK 1
-#define ERROR 0
-#define TRUE 1
-#define FALSE 0
-#define MAXSIZE 100 /* �洢�ռ��ʼ������ */
-
-typedef int Status;   /* Status�Ǻ���������,��ֵ�Ǻ������״̬���룬��OK�� */
-typedef int ElemType; /* ElemType���͸���ʵ������������������Ϊint */
-
-typedef char String[MAXSIZE + 1]; /*  0�ŵ�Ԫ��Ŵ��ij��� */
-
-/* ����һ����ֵ����chars�Ĵ�T */
-Status StrAssign(String T, char *chars)
-{
-	int i;
-	if (strlen(chars) > MAXSIZE)
-		return ERROR;
-	else
-	{
-		T[0] = strlen(chars);
-		for (i = 1; i <= T[0]; i++)
-			T[i] = *(chars + i - 1);
-		return OK;
-	}
-}
-
-Status ClearString(String S)
-{
-	S[0] = 0; /*  ���Ϊ�� */
-	return OK;
-}
-
-/*  ����ַ���T�� */
-void StrPrint(String T)
-{
-	int i;
-	for (i = 1; i <= T[0]; i++)
-		printf("%c", T[i]);
-	printf("\n");
-}
-
-/*  ���Next����ֵ�� */
-void NextPrint(int next[], int length)
-{
-	int i;
-	for (i = 1; i <= length; i++)
-		printf("%d", next[i]);
-	printf("\n");
-}
-
-/* ���ش���Ԫ�ظ��� */
-int StrLength(String S)
-{
-	return S[0];
-}
-
-/* ���ص�ģʽƥ�䷨ */
-int Index(String S, String T, int pos)
-{
-	int i = pos;				   /* i��������S�е�ǰλ���±�ֵ����pos��Ϊ1�����posλ�ÿ�ʼƥ�� */
-	int j = 1;					   /* j�����Ӵ�T�е�ǰλ���±�ֵ */
-	while (i <= S[0] && j <= T[0]) /* ��iС��S�ij��Ȳ���jС��T�ij���ʱ��ѭ������ */
-	{
-		if (S[i] == T[j]) /* ����ĸ�������� */
-		{
-			++i;
-			++j;
-		}
-		else /* ָ��������¿�ʼƥ�� */
-		{
-			i = i - j + 2; /* i�˻ص��ϴ�ƥ����λ����һλ */
-			j = 1;		   /* j�˻ص��Ӵ�T����λ */
-		}
-	}
-	if (j > T[0])
-		return i - T[0];
-	else
-		return 0;
-}
-
-/* ͨ�����㷵���Ӵ�T��next���顣 */
-void get_next(String T, int *next)
-{
-	int i, j;
-	i = 1;
-	j = 0;
-	next[1] = 0;
-	while (i < T[0]) /* �˴�T[0]��ʾ��T�ij��� */
-	{
-		if (j == 0 || T[i] == T[j]) /* T[i]��ʾ��׺�ĵ����ַ���T[j]��ʾǰ׺�ĵ����ַ� */
-		{
-			++i;
-			++j;
-			next[i] = j;
-		}
-		else
-			j = next[j]; /* ���ַ�����ͬ����jֵ���� */
-	}
-}
-
-/* �����Ӵ�T������S�е�pos���ַ�֮���λ�á��������ڣ���������ֵΪ0�� */
-/*  T�ǿգ�1��pos��StrLength(S)�� */
-int Index_KMP(String S, String T, int pos)
-{
-	int i = pos;				   /* i��������S�е�ǰλ���±�ֵ����pos��Ϊ1�����posλ�ÿ�ʼƥ�� */
-	int j = 1;					   /* j�����Ӵ�T�е�ǰλ���±�ֵ */
-	int next[255];				   /* ����һnext���� */
-	get_next(T, next);			   /* �Դ�T���������õ�next���� */
-	while (i <= S[0] && j <= T[0]) /* ��iС��S�ij��Ȳ���jС��T�ij���ʱ��ѭ������ */
-	{
-		if (j == 0 || S[i] == T[j]) /* ����ĸ�����������������㷨������j=0�ж� */
-		{
-			++i;
-			++j;
-		}
-		else			 /* ָ��������¿�ʼƥ�� */
-			j = next[j]; /* j�˻غ��ʵ�λ�ã�iֵ���� */
-	}
-	if (j > T[0])
-		return i - T[0];
-	else
-		return 0;
-}
-
-/* ��ģʽ��T��next��������ֵ����������nextval */
-void get_nextval(String T, int *nextval)
-{
-	int i, j;
-	i = 1;
-	j = 0;
-	nextval[1] = 0;
-	while (i < T[0]) /* �˴�T[0]��ʾ��T�ij��� */
-	{
-		if (j == 0 || T[i] == T[j]) /* T[i]��ʾ��׺�ĵ����ַ���T[j]��ʾǰ׺�ĵ����ַ� */
-		{
-			++i;
-			++j;
-			if (T[i] != T[j])   /* ����ǰ�ַ���ǰ׺�ַ���ͬ */
-				nextval[i] = j; /* ��ǰ��jΪnextval��iλ�õ�ֵ */
-			else
-				nextval[i] = nextval[j]; /* �����ǰ׺�ַ���ͬ����ǰ׺�ַ��� */
-										 /* nextvalֵ��ֵ��nextval��iλ�õ�ֵ */
-		}
-		else
-			j = nextval[j]; /* ���ַ�����ͬ����jֵ���� */
-	}
-}
-
-int Index_KMP1(String S, String T, int pos)
-{
-	int i = pos;				   /* i��������S�е�ǰλ���±�ֵ����pos��Ϊ1�����posλ�ÿ�ʼƥ�� */
-	int j = 1;					   /* j�����Ӵ�T�е�ǰλ���±�ֵ */
-	int next[255];				   /* ����һnext���� */
-	get_nextval(T, next);		   /* �Դ�T���������õ�next���� */
-	while (i <= S[0] && j <= T[0]) /* ��iС��S�ij��Ȳ���jС��T�ij���ʱ��ѭ������ */
-	{
-		if (j == 0 || S[i] == T[j]) /* ����ĸ�����������������㷨������j=0�ж� */
-		{
-			++i;
-			++j;
-		}
-		else			 /* ָ��������¿�ʼƥ�� */
-			j = next[j]; /* j�˻غ��ʵ�λ�ã�iֵ���� */
-	}
-	if (j > T[0])
-		return i - T[0];
-	else
-		return 0;
-}
-
-int main()
-{
-	int i, *p;
-	String s1, s2;
-
-	StrAssign(s1, "abcdex");
-	printf("�Ӵ�Ϊ: ");
-	StrPrint(s1);
-	i = StrLength(s1);
-	p = (int *)malloc((i + 1) * sizeof(int));
-	get_next(s1, p);
-	printf("NextΪ: ");
-	NextPrint(p, StrLength(s1));
-	printf("\n");
-
-	StrAssign(s1, "abcabx");
-	printf("�Ӵ�Ϊ: ");
-	StrPrint(s1);
-	i = StrLength(s1);
-	p = (int *)malloc((i + 1) * sizeof(int));
-	get_next(s1, p);
-	printf("NextΪ: ");
-	NextPrint(p, StrLength(s1));
-	printf("\n");
-
-	StrAssign(s1, "ababaaaba");
-	printf("�Ӵ�Ϊ: ");
-	StrPrint(s1);
-	i = StrLength(s1);
-	p = (int *)malloc((i + 1) * sizeof(int));
-	get_next(s1, p);
-	printf("NextΪ: ");
-	NextPrint(p, StrLength(s1));
-	printf("\n");
-
-	StrAssign(s1, "aaaaaaaab");
-	printf("�Ӵ�Ϊ: ");
-	StrPrint(s1);
-	i = StrLength(s1);
-	p = (int *)malloc((i + 1) * sizeof(int));
-	get_next(s1, p);
-	printf("NextΪ: ");
-	NextPrint(p, StrLength(s1));
-	printf("\n");
-
-	StrAssign(s1, "ababaaaba");
-	printf("   �Ӵ�Ϊ: ");
-	StrPrint(s1);
-	i = StrLength(s1);
-	p = (int *)malloc((i + 1) * sizeof(int));
-	get_next(s1, p);
-	printf("   NextΪ: ");
-	NextPrint(p, StrLength(s1));
-	get_nextval(s1, p);
-	printf("NextValΪ: ");
-	NextPrint(p, StrLength(s1));
-	printf("\n");
-
-	StrAssign(s1, "aaaaaaaab");
-	printf("   �Ӵ�Ϊ: ");
-	StrPrint(s1);
-	i = StrLength(s1);
-	p = (int *)malloc((i + 1) * sizeof(int));
-	get_next(s1, p);
-	printf("   NextΪ: ");
-	NextPrint(p, StrLength(s1));
-	get_nextval(s1, p);
-	printf("NextValΪ: ");
-	NextPrint(p, StrLength(s1));
-
-	printf("\n");
-
-	StrAssign(s1, "00000000000000000000000000000000000000000000000001");
-	printf("����Ϊ: ");
-	StrPrint(s1);
-	StrAssign(s2, "0000000001");
-	printf("�Ӵ�Ϊ: ");
-	StrPrint(s2);
-	printf("\n");
-	printf("�������Ӵ��ڵ�%d���ַ����״�ƥ�䣨����ģʽƥ���㷨��\n", Index(s1, s2, 1));
-	printf("�������Ӵ��ڵ�%d���ַ����״�ƥ�䣨KMP�㷨�� \n", Index_KMP(s1, s2, 1));
-	printf("�������Ӵ��ڵ�%d���ַ����״�ƥ�䣨KMP�����㷨�� \n", Index_KMP1(s1, s2, 1));
-
-	return 0;
-}
diff --git a/_03.串/_b.KMP.c b/_03.串/_b.KMP.c
index 8b7cea3..f7f33f1 100644
--- a/_03.串/_b.KMP.c
+++ b/_03.串/_b.KMP.c
@@ -2,7 +2,7 @@
  * @Author: Xu Bai
  * @Date: 2019-07-08 21:43:47
  * @LastEditors: Xu Bai
- * @LastEditTime: 2019-07-08 22:48:27
+ * @LastEditTime: 2019-07-08 22:53:07
  */
 #include "stdio.h"
 #include "stdlib.h"
@@ -133,7 +133,7 @@ int IndexByKMP(String S, String T, int pos)
     GetNext(T, next);
     while (i <= S[0] && j <= T[0])
     {
-        if (j == 0 || S[i] = T[i])
+        if (j == 0 || S[i] == T[i])
         {
             ++i;
             ++j;
@@ -186,7 +186,7 @@ void GetNextVal(String T, int *NextVal)
     }
 }
 
-int IndexByKMP2(String S, String T, int pos)
+int IndexByKMP1(String S, String T, int pos)
 {
     /*i��������S��ǰλ���±�ֵ */
     int i = pos;
@@ -219,86 +219,86 @@ int IndexByKMP2(String S, String T, int pos)
 
 int main()
 {
-   	int i, *p;
-	String s1, s2;
+    int i, *p;
+    String s1, s2;
 
-	StrAssign(s1, "abcdex");
-	printf("�Ӵ�Ϊ: ");
-	StrPrint(s1);
-	i = StrLength(s1);
-	p = (int *)malloc((i + 1) * sizeof(int));
-	get_next(s1, p);
-	printf("NextΪ: ");
-	NextPrint(p, StrLength(s1));
-	printf("--------------------------------\n");
+    StrAssign(s1, "abcdex");
+    printf("�Ӵ�Ϊ: ");
+    StrPrint(s1);
+    i = StrLength(s1);
+    p = (int *)malloc((i + 1) * sizeof(int));
+    GetNext(s1, p);
+    printf("NextΪ: ");
+    NextPrint(p, StrLength(s1));
+    printf("--------------------------------\n");
 
-	StrAssign(s1, "abcabx");
-	printf("�Ӵ�Ϊ: ");
-	StrPrint(s1);
-	i = StrLength(s1);
-	p = (int *)malloc((i + 1) * sizeof(int));
-	get_next(s1, p);
-	printf("NextΪ: ");
-	NextPrint(p, StrLength(s1));
-	printf("--------------------------------\n");
+    StrAssign(s1, "abcabx");
+    printf("�Ӵ�Ϊ: ");
+    StrPrint(s1);
+    i = StrLength(s1);
+    p = (int *)malloc((i + 1) * sizeof(int));
+    GetNext(s1, p);
+    printf("NextΪ: ");
+    NextPrint(p, StrLength(s1));
+    printf("--------------------------------\n");
 
-	StrAssign(s1, "ababaaaba");
-	printf("�Ӵ�Ϊ: ");
-	StrPrint(s1);
-	i = StrLength(s1);
-	p = (int *)malloc((i + 1) * sizeof(int));
-	get_next(s1, p);
-	printf("NextΪ: ");
-	NextPrint(p, StrLength(s1));
-	printf("--------------------------------\n");
+    StrAssign(s1, "ababaaaba");
+    printf("�Ӵ�Ϊ: ");
+    StrPrint(s1);
+    i = StrLength(s1);
+    p = (int *)malloc((i + 1) * sizeof(int));
+    GetNext(s1, p);
+    printf("NextΪ: ");
+    NextPrint(p, StrLength(s1));
+    printf("--------------------------------\n");
 
-	StrAssign(s1, "aaaaaaaab");
-	printf("�Ӵ�Ϊ: ");
-	StrPrint(s1);
-	i = StrLength(s1);
-	p = (int *)malloc((i + 1) * sizeof(int));
-	get_next(s1, p);
-	printf("NextΪ: ");
-	NextPrint(p, StrLength(s1));
-	printf("--------------------------------\n");
+    StrAssign(s1, "aaaaaaaab");
+    printf("�Ӵ�Ϊ: ");
+    StrPrint(s1);
+    i = StrLength(s1);
+    p = (int *)malloc((i + 1) * sizeof(int));
+    GetNext(s1, p);
+    printf("NextΪ: ");
+    NextPrint(p, StrLength(s1));
+    printf("--------------------------------\n");
 
-	StrAssign(s1, "ababaaaba");
-	printf("   �Ӵ�Ϊ: ");
-	StrPrint(s1);
-	i = StrLength(s1);
-	p = (int *)malloc((i + 1) * sizeof(int));
-	get_next(s1, p);
-	printf("   NextΪ: ");
-	NextPrint(p, StrLength(s1));
-	get_nextval(s1, p);
-	printf("NextValΪ: ");
-	NextPrint(p, StrLength(s1));
-	printf("--------------------------------\n");
+    StrAssign(s1, "ababaaaba");
+    printf("   �Ӵ�Ϊ: ");
+    StrPrint(s1);
+    i = StrLength(s1);
+    p = (int *)malloc((i + 1) * sizeof(int));
+    GetNext(s1, p);
+    printf("   NextΪ: ");
+    NextPrint(p, StrLength(s1));
+    GetNextVal(s1, p);
+    printf("NextValΪ: ");
+    NextPrint(p, StrLength(s1));
+    printf("--------------------------------\n");
 
-	StrAssign(s1, "aaaaaaaab");
-	printf("   �Ӵ�Ϊ: ");
-	StrPrint(s1);
-	i = StrLength(s1);
-	p = (int *)malloc((i + 1) * sizeof(int));
-	get_next(s1, p);
-	printf("   NextΪ: ");
-	NextPrint(p, StrLength(s1));
-	get_nextval(s1, p);
-	printf("NextValΪ: ");
-	NextPrint(p, StrLength(s1));
+    StrAssign(s1, "aaaaaaaab");
+    printf("   �Ӵ�Ϊ: ");
+    StrPrint(s1);
+    i = StrLength(s1);
+    p = (int *)malloc((i + 1) * sizeof(int));
+    GetNext(s1, p);
+    printf("   NextΪ: ");
+    NextPrint(p, StrLength(s1));
+    GetNextVal(s1, p);
+    printf("NextValΪ: ");
+    NextPrint(p, StrLength(s1));
 
-	printf("--------------------------------\n");
+    printf("--------------------------------\n");
 
-	StrAssign(s1, "00000000000000000000000000000000000000000000000001");
-	printf("����Ϊ: ");
-	StrPrint(s1);
-	StrAssign(s2, "0000000001");
-	printf("�Ӵ�Ϊ: ");
-	StrPrint(s2);
-	printf("--------------------------------\n");
-	printf("�������Ӵ��ڵ�%d���ַ����״�ƥ�䣨����ģʽƥ���㷨��\n", Index(s1, s2, 1));
-	printf("�������Ӵ��ڵ�%d���ַ����״�ƥ�䣨KMP�㷨�� \n", Index_KMP(s1, s2, 1));
-	printf("�������Ӵ��ڵ�%d���ַ����״�ƥ�䣨KMP�����㷨�� \n", Index_KMP1(s1, s2, 1));
+    StrAssign(s1, "00000000000000000000000000000000000000000000000001");
+    printf("����Ϊ: ");
+    StrPrint(s1);
+    StrAssign(s2, "0000000001");
+    printf("�Ӵ�Ϊ: ");
+    StrPrint(s2);
+    printf("--------------------------------\n");
+    printf("�������Ӵ��ڵ�%d���ַ����״�ƥ�䣨����ģʽƥ���㷨��\n", Index(s1, s2, 1));
+    printf("�������Ӵ��ڵ�%d���ַ����״�ƥ�䣨KMP�㷨�� \n", IndexByKMP(s1, s2, 1));
+    printf("�������Ӵ��ڵ�%d���ַ����״�ƥ�䣨KMP�����㷨�� \n", IndexByKMP1(s1, s2, 1));
 
     getchar();
     return OK;
diff --git a/a.out b/a.out
index 8e41c6f..381bffc 100644
Binary files a/a.out and b/a.out differ