Jing's Interview Corner
Sunday, October 14, 2012
FirstAppearOnce
char FirstAppearOnce(char *pStr)
{
int htable[256];
memset(htable, 0, 256);
char *p = pStr;
while(*p!='\0')
htable[*p++]++;
p=pstr;
while(*p!='\0')
{
if(htable[*p]==1)
{
break;
}
else
{
p++;
}
}
return *p;
}
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