hey the above case wont work for a few cases....for instance wen the seventh
letter of the alphabet is involved...
On 26 July 2011 15:32, sachet <sache...@gmail.com> wrote:
> please explain....the code
> #include<string>
> using namespace std;
> int main()
> {
> int x=0;
> string str;
> cin>>str;//only lowercase
> for(int i=0;i<str.size();i++) x^=(1<<(str[i]-97));
> if(str.size()&1)
> { if(!(x&(x-1)))cout<<"Palindrome\n";
> else cout<<"Not palindrome\n";
> }
>
> else
> { if(!x)cout<<"Palindrome\n";
> else cout<<"Not palindrome\n";
> }
> }
> i could not understand the algo
>
>
> On Jul 26, 11:07 am, Anika Jain <anika.jai...@gmail.com> wrote:
> > int palin(char *p)
> > {
> > int x=0;
> > while(*p)
> > {
> > x^=1<<(*p-'a');
> > p++;
> > }
> > int i=0,count=0;
> > while(i<26)
> > {
> > count+=(1<<i & x)>>i;
> > i++;
> > }
> > if(count>1)
> > return 0;
> > else
> > return 1;
> >
> >
> >
> >
> >
> >
> >
> > }
>
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regards Pratima :)
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