标签:style blog class c code java
1 #include<iostream> 2 3 4 using namespace std; 5 6 #define MAX 255 7 8 typedef unsigned char BYTE; 9 10 typedef BYTE String[MAX+1]; 11 12 bool strAssign(String& strTemp,char* Temp); //定长字符串存储 13 bool strTravel(String& strTemp); //打印 14 void KMP(String& strMother,String& strSon,int* pData); 15 void GetNext(String& strSon,int* pNext); 16 //KMP算法的实现要求两个子函数 KMP() 和GetNext() 17 18 void main() 19 { 20 21 String strMother; 22 memset(strMother,0,sizeof(strMother)); 23 24 String strSon; 25 memset(strSon,0,sizeof(strSon)); 26 27 strAssign(strMother,"HHHeHeHHe"); 28 strAssign(strSon,"HeHe"); 29 30 31 strTravel(strMother); 32 strTravel(strSon); 33 int* pData = (int*)malloc(sizeof(int)*(strMother[0]+1)); 34 35 KMP(strMother,strSon,pData); 36 37 int i = 0; 38 for(i=1;i<=pData[0];i++) 39 { 40 cout<<pData[i]<<" "; 41 42 } 43 cout<<endl; 44 45 } 46 bool strAssign(String& strTemp,char* Temp) 47 { 48 strTemp[0] = strlen(Temp); 49 50 51 int i = 1; 52 for(i=1;i<=strTemp[0];i++) 53 { 54 strTemp[i] = Temp[i-1]; 55 56 } 57 58 return true; 59 60 } 61 bool strTravel(String& strTemp) 62 { 63 int i = 1; 64 for(i=1;i<=strTemp[0];i++) 65 { 66 cout<<strTemp[i]<<" "; 67 68 } 69 70 cout<<endl; 71 return true; 72 73 } 74 void KMP(String& strMother,String& strSon,int* pData) 75 { 76 int* pNext = (int*)malloc(sizeof(int)*(strSon[0]+1)); 77 78 GetNext(strSon,pNext); 79 80 81 int i = 1; 82 int j = 1; 83 int k = 1; 84 85 while(i<=strMother[0]) 86 { 87 if(i==0||strMother[i]==strSon[j]) 88 { 89 i++; 90 j++; 91 92 } 93 else 94 { 95 j = pNext[j]; 96 97 } 98 99 if(j>strSon[0]) 100 { 101 pData[k] = i-strSon[0]; 102 k++; 103 j=1; 104 105 } 106 107 108 } 109 110 111 pData[0] = k-1; 112 free(pNext); 113 114 115 } 116 void GetNext(String& strSon,int* pNext) 117 { 118 pNext[1] = 0; 119 120 int i = 1; 121 int j = 0; 122 123 while(i!=strSon[0]) 124 { 125 if(j==0||strSon[i]==strSon[j]) 126 { 127 i++; 128 j++; 129 130 pNext[i] = j; 131 132 133 134 } 135 else 136 { 137 j = pNext[j]; 138 139 } 140 141 142 } 143 }
标签:style blog class c code java
原文地址:http://www.cnblogs.com/Big-Maker/p/3744096.html