Hi your intention was logical OR or BITWISE OR ? u did Logical. Sanju :)
On Sun, Aug 21, 2011 at 3:30 AM, sarvesh saran <[email protected]>wrote: > Hi Nitin, > > thanks that makes sense. I will try that out. > > I have another question. Is there a really fast way of converting a > hexadecimal string say "02F9A" to its decimal representation in C++? > > thanks, > Sarvesh > > thanks, > Sarvesh > > > On Sun, Aug 21, 2011 at 3:41 PM, Nitin Nizhawan > <[email protected]>wrote: > >> int num = 0; >> for(int i=0;i<A.size();i++){ >> num=num||(A[i]<<3*i); >> } >> printf("%d",num); >> >> I think this will do. Given the number is with in the range of integer. >> >> >> On Sun, Aug 21, 2011 at 3:40 PM, Nitin Nizhawan <[email protected] >> > wrote: >> >>> int num = 0; >>> for(int i=0;i<A.size();i++){ >>> num=num||(A[i]<3*i); >>> } >>> printf("%d",num); >>> >>> I think this will do. >>> >>> >>> On Sun, Aug 21, 2011 at 2:25 PM, sarvesh saran < >>> [email protected]> wrote: >>> >>>> Hi, >>>> >>>> I have a vector<int> A or an array (for C guys) that contains the octal >>>> representation of a number. >>>> >>>> So the array can be something like: [1,5,7] or [7,7,5,6,3,4,2] etc >>>> >>>> i.e no number in the array can be >= 8. >>>> >>>> Now given this array, I need to convert it its decimal representation. >>>> >>>> The naive way to do it would be to scan array from left to right, take >>>> each digit, multiply by 8 pow (x) where x is from 0 to ...n and compute >>>> sum. >>>> >>>> i.e something like: >>>> >>>> int oct = 1; >>>> int num = 0; >>>> >>>> for(<array length>){ >>>> num+= oct * A[i]; >>>> oct = oct * 8; >>>> } >>>> >>>> is there a faster way to do this? maybe using some STL container or >>>> algorithm. ? >>>> >>>> thanks, >>>> sarvesh >>>> >>>> >>>> -- >>>> 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. > -- 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.
