hw will u get the ans on repeated subtraction from the sum of the digits?? I mean ....if I hv 2 divide 27 by 3 thn first I'll find sum of the digits i.e, 2+7=9 then I'll apply repeated subtraction on 9, so hw will i reach to the ans??
On Sat, Jul 30, 2011 at 10:05 AM, nivedita arora < [email protected]> wrote: > > @brijesh- > itoa basically converts integer to string ..we are using the fact tht > a number is multiple of 3 if its sum is multiple of 3 > . we have int as string and we can traverse it ..for each character > apply > int sum+=*c-'0' (ankur missed the star :P) > then on sum we use repeated subtraction...i hope its clear . > > we are using all this just coz we have to use itoa ..otherwise there > are more methods (check my frst post ) > > > On Jul 30, 4:34 am, brijesh <[email protected]> wrote: > > @ankur I didnt get this... could u or anyone please elaborate! > > > > On Jul 30, 12:43 am, Ankur Khurana <[email protected]> wrote: > > > > > > > > > > > > > > > > > when you use itoa , what you get is a string. get the sum of all the > digits > > > , using c-'0' and then use repeated subtraction . . . > > > > > On Sat, Jul 30, 2011 at 1:01 AM, sukhmeet singh < > [email protected]>wrote: > > > > > > repeated subtraction !! > > > > > > On Sat, Jul 30, 2011 at 12:52 AM, nivedita arora < > > > > [email protected]> wrote: > > > > > >> Without using /,% and * operators. write a function to divide a > number > > > >> by 3. itoa() function is available. > > > > > >> all i cn thnk of is to use shift operator and addition , > x/3=e^(logx- > > > >> log3) or repetitive subtraction > > > > > >> but none of them uses itoa() ..ne idea how its done? > > > >> thnks ! > > > > > >> -- > > > >> 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. > > > > > -- > > > Ankur Khurana > > > Computer Science > > > Netaji Subhas Institute Of Technology > > > Delhi. > > -- > 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.
