Can You please explain this bit manipualtion
On Fri, Aug 5, 2011 at 10:31 PM, hary rathor <[email protected]> wrote:
> #include<string.h>
> int main ()
> {
> char str[]="hello world";
> int i,j=0,checker=0;
>
> for(i=0;i<strlen(str);i++)
> {
> int val=str[i]-'a';
> if ((checker&(1<<val))<=0)
> str[j++]=str[i];
> checker|=(1<<val);
> }
>
> str[j]='\0';
>
> printf("%s",str);
> return 0;
>
> }
>
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