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#include <stdio.h>
#include <stdlib.h>
void getNext(char t[]);
int next[80];
int main()
{
char s[80],t[80];
int result=0;
printf("ÊäÈë×Ö·û´®:");
gets(s);
printf("ÊäÈë×Ö·û´®:");
gets(t);
getNext(t);
int i=0,j=0;
while(i<strlen(s)&&j<strlen(t))
{
if(s[i]==t[j]) {i++;j++;}
else
{
j=next[j];
if(j==-1) {i++;j++;}
}
}
if(j>=strlen(t)) result=i-j+1;
else result=0;
printf("%d\n",result);
}
getNext(char t[])
{
next[0]=-1;
int j=0,k=-1;
while(j<strlen(t))
{
if(k==-1||t[j]==t[k])
{
j++;
k++;
next[j]=k;
}
else k=next[k];
}
}
}
BMËã·¨£¬ÍøÉÏʵÏֵIJ»¶à£¬Óм¸¸ö°æ±¾µÄ¶¼ÊǺܸ´ÔÓ£¬Ö¸ÕëÀ´Ö¸ÕëÈ¥£¬ÆäʵûÄÇô·³
#include <stdio.h>
#include <stdlib.h>
int BM(char s[],char t[],int n,int m);
int dist(char s,char t[]);
int main()
{
char s[80],t[80];
printf("ÊäÈë×Ö·û´®:");
gets(s);
printf("ÊäÈë×Ö·û´®:");
gets(t);
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pack( n )
n : Valid values are 1, 2, 4, 8, and 16.the
alignment of a member will be on a boundary that is either a multiple of
n
or
a multiple of the size of the member
,
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