Re: [algogeeks] Logical operator question
@prem::ya its rite.. //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] Re: sizeof() question.
wat does it mean dat sizweof cannot be applied to functions??den wat is foo()?is s a func ly na??explain me i cant get it.. //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] Least Common Ancestor
http://geeksforgeeks.org/?p=1029 follow the link fa one more soln.. //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] Least Common Ancestor
oh 5n sry...how to get practiced wit algo???help me //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] Re: reverse a line.
first create a temp char array with size equal to dat of the string length.scan each word(char by char until end is white space is reached)...then start filling the new array from last by subtracting the original string length with each word lengthcrct me if i'm wrong.. //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] Small Doubt
whether al these address refer to the physical address or logical address??? On 7/28/11, Vishal Thanki vishaltha...@gmail.com wrote: @ rajeev, vishal@ubuntu:~/progs/c\ 09:25:38 AM $ cat alg.c #includestdio.h int main() { int *p = (int *)0xff; *p = 4; return 0; } vishal@ubuntu:~/progs/c\ 09:25:42 AM $ gcc alg.c vishal@ubuntu:~/progs/c\ 09:25:45 AM $ ./a.out Segmentation fault vishal@ubuntu:~/progs/c\ 09:25:46 AM $ On Thu, Jul 28, 2011 at 9:13 AM, rajeev bharshetty rajeevr...@gmail.com wrote: @anika : I just found out that it can be done as int *p = (int *)0x0ff ; *p=4; then 4 gets stored in 0x0ff location . Guys can it be done . Is it Legal ?? On Thu, Jul 28, 2011 at 9:11 AM, Anika Jain anika.jai...@gmail.com wrote: segmentation fault comes when we try to modify or do illegal access to the memory that has not been allocated to us.. the trial to make your variable be at some location of your wish can be done only by int *p=4000; *p=10; but it is illegal coz 4000 memory address is not alloted yet for your program. On Wed, Jul 27, 2011 at 11:26 PM, Puneet Gautam puneet.nsi...@gmail.com wrote: @Anika : pls elaborate the segmentatin part...! On 7/27/11, Anika Jain anika.jai...@gmail.com wrote: no we cant.. coz when we do say int *p=4000; its fine till now.. and if we do *p=10; it is segmentation fault.. On Wed, Jul 27, 2011 at 10:35 PM, rShetty rajeevr...@gmail.com wrote: Usually when I declare a variable it will be stored in memory location with some address . Such as consider I declare int x=10 , it will stored in some address 1003 (say). Now my question is can I control the address being assigned to a variable in C . Say, I want to store x in address in 4000 and not in 1003 defined by the compiler .(Usually this can be done in assembly). Can I do that ? Correct me If i am wrong -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. 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 algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. 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 algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. 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 algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- Regards Rajeev N B Winners Don't do Different things , they do things Differently -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. 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 algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] Re: size of self referential structure
the link ll not occupy any m/y here...so its output ll be 14(int -4 bytes,ptr-2 bytes);;if i'm wrong jst crct it... On 7/26/11, Prem Krishna Chettri hprem...@gmail.com wrote: Its Cos that is pointer and all pointers is 4 bytes address.. On Tue, Jul 26, 2011 at 7:11 PM, Puneet Gautam puneet.nsi...@gmail.comwrote: @everyone: I have this mind strangling doubt..!!! Why is char *s[5] of 20 bytes...? yes the output is 28... On 7/26/11, Don dondod...@gmail.com wrote: A reasonable guess would be 28 bytes. But the size of a structure is implementation dependent, and therefore, some other result could be correct as well. Don On Jul 26, 7:40 am, Puneet Gautam puneet.nsi...@gmail.com wrote: #includestdio.h #includestddef.h struct node{ int a; char *b[5]; struct node *link; }; main() { int a; a=sizeof(struct node); printf(%d,a); getchar(); return 0; } Whats the output..? -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. 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 algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. 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 algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] Re: size of self referential structure
sry memory... On 7/26/11, Akshata Sharma akshatasharm...@gmail.com wrote: @kavitha, what is m/y? On Tue, Jul 26, 2011 at 7:27 PM, kavitha nk kavithan...@gmail.com wrote: the link ll not occupy any m/y here...so its output ll be 14(int -4 bytes,ptr-2 bytes);;if i'm wrong jst crct it... On 7/26/11, Prem Krishna Chettri hprem...@gmail.com wrote: Its Cos that is pointer and all pointers is 4 bytes address.. On Tue, Jul 26, 2011 at 7:11 PM, Puneet Gautam puneet.nsi...@gmail.comwrote: @everyone: I have this mind strangling doubt..!!! Why is char *s[5] of 20 bytes...? yes the output is 28... On 7/26/11, Don dondod...@gmail.com wrote: A reasonable guess would be 28 bytes. But the size of a structure is implementation dependent, and therefore, some other result could be correct as well. Don On Jul 26, 7:40 am, Puneet Gautam puneet.nsi...@gmail.com wrote: #includestdio.h #includestddef.h struct node{ int a; char *b[5]; struct node *link; }; main() { int a; a=sizeof(struct node); printf(%d,a); getchar(); return 0; } Whats the output..? -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. 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 algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. 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 algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. 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 algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] Amazon Question
hoe to find the combination and permutation for a given string? On 7/26/11, swetha rahul swetharahu...@gmail.com wrote: Hi, Print all the substrings of a given string. Is there any solution better than O(n^2). Eg: abc the possible substrings are {a,b,c,ab,bc,abc} -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks]
pls explain the questi dint get it.. On 7/26/11, Dipankar Patro dip10c...@gmail.com wrote: Puneet, you missed out the 'sorted' part of array. Your code works fine for randomized array. +1 to Manish's solution. I had the same algo :) On 26 July 2011 00:33, Puneet Gautam puneet.nsi...@gmail.com wrote: let k=a+b run in two loops for(i=0;((in) (a[i]k));i++) for(j=i+1;a[j]=(k-a[i]);j++) if(a[j]==k-a[i]) do break from both outer n inner loops; diplay a[i] n a[j] Time complexity:O(n^2) worst case shud take O(nlgn) on an average -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- ___ Please do not print this e-mail until urgent requirement. Go Green!! Save Papers = Save Trees -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks]
@saurabh::gets too could be used //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: Re : [algogeeks] Re: size of self referential structure
sry frendzma above posts were wrongans is 28 if ptr takes 4 bytes... //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] OUTPUT
sry sry o/p ll be 0 1 0in the 2nd printf the value ll be evaluated from rite to left... so in the 1st printf i's vlue ll be 0 and in the 2nd printf stmt rite expression is evaluated first and then i value ll be modified in it.. and with hte help of it left one is evaluated...crct me if i'm wrong.. On 7/26/11, kavitha nk kavithan...@gmail.com wrote: ans ll nt be 0 0 2 va??? On 7/25/11, Puneet Gautam puneet.nsi...@gmail.com wrote: @aditi: the %2 in each of these printf statements is redundant coz it is 1%2...and % has higher precedence over left or right shifts..thats y output of say : #includestdio.h main() { int i=1; printf(\n%d%d ,i=2,i=1%2); return 0; } is 8 8 1 gets left shifted twice in i=2, becomes 4 then i1%2 concludes to i1 as 1%2 is 1 only.. i1 ,makes i=8 and hence 8 8 is printed. On 7/25/11, Puneet Gautam puneet.nsi...@gmail.com wrote: @rajeev: hey...does printf evaluate an expression right to left without considering any priority of operators..? Pls reply asap.. On 7/25/11, Puneet Gautam puneet.nsi...@gmail.com wrote: @aditi: y dont u try it out urself considering the priorities of different operators used here...!! that would help... On 7/25/11, aditi garg aditi.garg.6...@gmail.com wrote: Can u plz elaborate...im not able to understand... On Mon, Jul 25, 2011 at 11:04 PM, rajeev bharshetty rajeevr...@gmail.comwrote: @sameer I think that is right On Mon, Jul 25, 2011 at 11:02 PM, sameer.mut...@gmail.com sameer.mut...@gmail.com wrote: its because of side effect where value of i is getting changed twice in a single line. correct me if i am wrong :) *Muthuraj R. 4TH Year BE.** Information Science Dept* *PESIT, Bengaluru . * On Mon, Jul 25, 2011 at 11:01 PM, geek forgeek geekhori...@gmail.comwrote: y not the output is 3 2 coz on right to left evaluation of printf i shud be left shifted by 1 bit wgich shud make it 2 ?? On Mon, Jul 25, 2011 at 10:28 AM, sameer.mut...@gmail.com sameer.mut...@gmail.com wrote: yeah output 0 1 1 *is dis because of side effect? * * * * * *Muthuraj R. 4TH Year BE.** Information Science Dept* *PESIT, Bengaluru . * On Mon, Jul 25, 2011 at 10:49 PM, Deoki Nandan deok...@gmail.comwrote: run on gcc compiler it would be 0 1 1 On Mon, Jul 25, 2011 at 10:35 PM, geek forgeek geekhori...@gmail.comwrote: 1. #includestdio.h main() { int i=1; printf(\n%d,i^=1%2); printf(\n%d %d,i^=1%2,i=1%2); return 0; } output 3 3 hey shudnt the output be 3 2 -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- **With Regards Deoki Nandan Vishwakarma * * -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. 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 algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. 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 algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. 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 algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- Regards Rajeev N B http://www.opensourcemania.co.cc -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- Aditi Garg Undergraduate Student Electronics Communication Divison NETAJI SUBHAS INSTITUTE OF TECHNOLOGY Sector 3, Dwarka New Delhi 9718388816 -- You received this message because you are subscribed to the Google Groups
Re: [algogeeks] Nagarro Coding Round Ques......
@sasi:thanks!!! //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] Address of var
physical address -- //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] C Output
a points to the address of the next array...i.e base address+20.ptr-1 points to the last element of array...so it is 5. -- //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] output please
it is printed in %d format nd not as %ch... -- //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] Non-redundant permutations of the string
pls explain...i cant get the idea...:( -- //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] Output ( File Handling)
dis s just becoz u ve declared as unsigned char(i.e.) EOF valu is -1 and the range of ch will be form 0 to 255...so -1 is never reached...dis is error...if i'm wrong correct me... //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c code bst mirror prob
ya i too think de same... //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] [brain teaser ] 17march
lee -- //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] nzec
oh 5n.. -- //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] A Puzzling Puzzle
i cant get..help me out... -- //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] Re: 10 digit problem
50 is the answer.. -- //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] Re: 16march
gr8.. -- //BE COOL// kavi -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.