/*pku 1936  All in All    051213   */
/* s is a subsequence of t*/
#define N 100000
#include<stdio.h>
#include<string.h>
int main()
{
    char s[N],t[N];
    long ii;
    char *p1,*ps,*pt;
    long len_s;
    for(;scanf("%s%s",s,t)!=EOF;)
    {
        len_s=strlen(s);
        for(ps=s,ii=0,pt=t; (ii<len_s)&&(pt=strchr(pt,*ps));ii++,ps++)
           /* printf("%c %c",*pt,*ps);*/;
        if(ii==len_s)
            printf("Yes\n");
        else
            printf("No\n");
    }
}

• try "aa a" (549) achilles 2005-12-15 09:14:10
  • 嘿嘿，多谢老大！！！！ (4) ning 2005-12-15 21:10:05