#include <stdio.h>
#include <string.h>

char s[1000010];
int next[1000010];

int len;
int main()
{

    int i,j;
	while(1)
	{
		scanf("%s",s);
		if(s[0]=='.')break;
        len=strlen(s);
		i=0;next[0]=-1;j=-1;
		while(i<len)
		{
			if(j==-1||s[i]==s[j])
			{
				++i;
				++j;
				next[i]=j;
			}else j=next[j];
		}
		if(len%(len-next[len])==0)
		{
			printf("%d\n",len/(len-next[len]));
		}else printf("1\n");
		 
	}

	return 0;
}

• Re:我用KMP过的代码 (23) lihonglei 2010-07-20 20:37:25