so it means after sequence point the post increment is done...after && ht epost increment is incremented and value is reflected...m i ryt?
On Fri, Oct 26, 2012 at 8:43 PM, Saurabh Kumar <[email protected]> wrote: > You're right , && || all introduce a sequence point. In first case > evaluation proceeds like this: > j = (i++, i++); > >> *i++* Post increment the i (i is now 11) > >> *j = i++* Post increment the i (j is assigned 11 and i is now 12) > > In second case, the whole of rvalue for = operator will be evaluated > first... > j = a++ && 1; > >> *a++ *a is Post incremented (a is now 1 but return value is 0) > >> *0 && 1* = 0 (which gets assigned to j) > Hence, j = 0, a = 1 > > On 26 October 2012 18:54, rahul sharma <[email protected]> wrote: > >> Guys plz tell that postincremented variable is incremented after >> sequence or after ; >> >> as we have && || comma and ; as sequence point >> >> so say we have >> int i=10; >> int j=(i++,i++); >> firstly i++ goes and as comma comes so ++ post inc. takes place and take >> to 11 ..now when next time the postincremented is done later after ; and >> firstly the value 11 is assigned to j >> >> so after this statement we have j=11,i=12 >> >> but if i write >> int a=0; >> int j=a++&&1; >> so when && comes so postincrement takes place and assign this to j...so >> at the point we reach && acc. to me a=1..But a remains 0 as this expression >> goes to false...can anybody tell me y so happens..when does the value in >> postincremented is incremented...i am sure about comm and ;...but what in >> case of && and ||....these are also sequence point...y post increment >> doesnt take place when we reach &&...please explain.. >> >> -- >> 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. >> > > -- > 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. > -- 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.
