It's equal to "letter XOR 32" to change the lower case to upper case and vice versa. (Invert case without checking)
On Thu, May 17, 2012 at 2:04 AM, Luke Pebody <[email protected]> wrote: > Replace str(i)&-32 with str(i)|32. Note this is unlikely to work with > Unicode. > > > > On 17 May 2012, at 04:15, Registered user <[email protected]> > wrote: > > > this is the code for changing lower case to upper case. > > can u write something similar to dis for changing upper to lower case > > ,( i mean using BITWISE operators such type of operators ^ , | , & , ~ > > , ! ) > > > > #include <iostream> > > #include <cctype> > > using namespace std; > > int main() { > > string str; > > cin>>str; > > unsigned int i, n = str.size(); > > for(i = 0;i < n;++i) > > str[i] = isalpha(str[i]) ? (str[i] &(~32)) : str[i]; > > cout<<str<<endl; > > > > } > > > > -- > > You received this message because you are subscribed to the Google > Groups "Google Code Jam" group. > > To post to this group, send email to [email protected]. > > To unsubscribe from this group, send email to > [email protected]. > > For more options, visit this group at > http://groups.google.com/group/google-code?hl=en. > > > > -- > You received this message because you are subscribed to the Google Groups > "Google Code Jam" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/google-code?hl=en. > > -- Att. Leonardo da Silva Campos "Keep distance, coder coding!" -- You received this message because you are subscribed to the Google Groups "Google Code Jam" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-code?hl=en.
