and how would strlen compute the length without traversing through the array?
On Tue, Jul 12, 2011 at 2:48 PM, sagar pareek <[email protected]> wrote: > One solution can be in one traversal :- > > take an example:- char str[]="hello my friends"; int i=strlen(str),j=i; > char *srt1=malloc(sizeof(char)*i); > 1. start from end of string (while i>=0,i--) > 2. whenever u find any space do > a. strcat(srt1,&srt[i]); > b. srt[i]='\0'; > d. srt[j-i]='<space>'; //replacing nulls by space, can be done using > strlen(srt1) also > > Note:- I have not executed the code so modifications may be needed. :) > > On Thu, Jul 7, 2011 at 10:58 PM, Piyush Kapoor <[email protected]>wrote: > >> char a[20]; >> int l,i,j,k; >> int main() >> { >> char str[100]; >> gets(str); >> l=strlen(str); >> for(i=l-1;i>=0;){ >> k=19; >> a[k]='\0'; >> while(i>=0 && str[i]!=' '){ >> a[--k]=str[i--]; >> } >> printf("%s",a+k); >> while(i>=0 && str[i]==' ') i--; >> printf(" "); >> } >> } >> >> On Thu, Jul 7, 2011 at 10:37 PM, Piyush Kapoor <[email protected]>wrote: >> >>> Pls Ignore my above post.. >>> >>> >>> On Thu, Jul 7, 2011 at 10:36 PM, Piyush Kapoor <[email protected]>wrote: >>> >>>> char a[20]; >>>> int l; >>>> int main() >>>> { >>>> char str[100]; >>>> scanf("%s",str); >>>> l=strlen(str); >>>> >>>> >>>> } >>>> -- >>>> *Regards,* >>>> *Piyush Kapoor,* >>>> *CSE-IT-BHU* >>>> >>>> >>> >>> >>> -- >>> *Regards,* >>> *Piyush Kapoor,* >>> *CSE-IT-BHU* >>> >>> >> >> >> -- >> *Regards,* >> *Piyush Kapoor,* >> *CSE-IT-BHU* >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" 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/algogeeks?hl=en. >> > > > > -- > **Regards > SAGAR PAREEK > COMPUTER SCIENCE AND ENGINEERING > NIT ALLAHABAD > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" 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/algogeeks?hl=en. > -- Saurabh Singh B.Tech (Computer Science) MNNIT ALLAHABAD -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" 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/algogeeks?hl=en.
