@amit....no it wont work..check it..
On Wed, Jul 27, 2011 at 10:07 PM, amit <amit.codenam...@gmail.com> wrote:
> This should be O(2^n)
>
> #include <cstdio>
> #include <cstring>
> using namespace std;
>
> int n;
> int sol[1000];
> void solve(int pos, int k) {
> for(int i = 0; i < k; i++) printf("%d, ", sol[i]);
> putchar('\n');
> for(int i = pos; i < n; i++) {
> sol[k] = i+1;
> solve(i+1, k+1);
> }
> }
>
> int main() {
> scanf("%d", &n);
> solve(0, 0);
> }
>
>
> On Jul 27, 8:33 pm, Ankur Garg <ankurga...@gmail.com> wrote:
> > Hi
> >
> > The solution in the link is of complexity (n*2^n))
> >
> > Does anyone know any better solution ?
> >
> > Regards
> > Ankur
> > On Tue, Jul 26, 2011 at 11:10 PM, rajeev bharshetty <
> rajeevr...@gmail.com>wrote:
> >
> >
> >
> > > @Ankur The link does has a very good explanation. Nice solution :)
> >
> > > On Tue, Jul 26, 2011 at 10:47 PM, Kunal Patil <kp101...@gmail.com>
> wrote:
> >
> > >> @Ankur Garg: Nice explanation at the link given by u...
> >
> > >> On Tue, Jul 26, 2011 at 10:35 PM, Ankur Garg <ankurga...@gmail.com
> >wrote:
> >
> > >>> Check this
> >
> > >>>
> http://codesam.blogspot.com/2011/03/find-all-subsets-of-given-set.html
> >
> > >>> On Tue, Jul 26, 2011 at 9:41 PM, Vishal Thanki <
> vishaltha...@gmail.com>wrote:
> >
> > >>>> Here is the working code..
> >
> > >>>> #include <stdio.h>
> > >>>> #include <stdlib.h>
> > >>>> int a[] = {1,2,3,4,5};
> > >>>> #define ARRLEN(a) (sizeof(a)/sizeof(a[0]))
> > >>>> void print_comb(int len)
> > >>>> {
> > >>>> int tlen = len;
> > >>>> int i, j, k;
> > >>>> int al = ARRLEN(a);
> > >>>> for (i = 0; i < al; i++) {
> > >>>> for (j=i+len-1; j<al;j++) {
> > >>>> for (k = i; k < i+len-1; k++) {
> > >>>> printf("%d ", a[k]);
> > >>>> }
> > >>>> printf("%d\n", a[j]);
> > >>>> }
> > >>>> }
> > >>>> }
> >
> > >>>> int main(int argc, char *argv[])
> > >>>> {
> > >>>> int len = atoi(argv[1]);
> > >>>> print_comb(len);
> > >>>> return 0;
> > >>>> }
> >
> > >>>> On Tue, Jul 26, 2011 at 5:18 PM, praneethn <praneeth...@gmail.com>
> > >>>> wrote:
> >
> > >>>> > check this link:
> >
> > >>>> > *http://www.stefan-pochmann.info/spots/tutorials/sets_subsets/*
> >
> > >>>> > On Tue, Jul 26, 2011 at 11:59 AM, sumit <sumitispar...@gmail.com>
> > >>>> wrote:
> >
> > >>>> >> Given an array of size n, print all the possible subset of array
> of
> > >>>> >> size k.
> > >>>> >> eg:-
> > >>>> >> input:
> > >>>> >> a[]={1,2,3,4}, k = 2
> > >>>> >> output:
> > >>>> >> 1,2
> > >>>> >> 1,3
> > >>>> >> 1,4
> > >>>> >> 2,3
> > >>>> >> 2,4
> > >>>> >> 3,4
> >
> > >>>> >> --
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> > > --
> > > Regards
> > > Rajeev N B <http://www.opensourcemania.co.cc>
> >
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