@Neeraj
Thanx for providing the algo
On Thu, Jan 19, 2012 at 7:18 PM, rahul patil
<rahul.deshmukhpa...@gmail.com>wrote:
> Looks like classic example of backtrack !!!
>
>
> On Thu, Jan 19, 2012 at 1:05 PM, Prakash D <cegprak...@gmail.com> wrote:
>
>> ignore my last comment.. misunderstood
>>
>>
>> On Thu, Jan 19, 2012 at 1:04 PM, Prakash D <cegprak...@gmail.com> wrote:
>>
>>> why can't u simply place it as 1 2 3 4 5 6 7 1 2 3 4 5 6 7?
>>>
>>>
>>> On Thu, Jan 19, 2012 at 2:05 AM, NEERAJ KODDHAN
>>> <neerajdc...@gmail.com>wrote:
>>>
>>>> int[] a = new int[2*n];
>>>> put(a, n);
>>>>
>>>> static void put(int[] a,int i){
>>>> if(i>0){
>>>> for(int j=0;j<a.length-i-1;j++){
>>>> if(a[j]==0 && a[j+i+1]==0){
>>>> a[j]=i;
>>>> a[j+i+1]=i;
>>>> put(a, i-1);
>>>> a[j]=0;
>>>> a[j+i+1]=0;
>>>> }
>>>> }
>>>> }else if(i==0){
>>>> for (int k : a) {
>>>> System.out.print(k +" ");
>>>> }
>>>> System.out.println();
>>>> }
>>>> }
>>>>
>>>>
>>>> On Wed, Jan 18, 2012 at 10:04 PM, Coding Geek
>>>> <codinggee...@gmail.com>wrote:
>>>>
>>>>> Place N number from 1 to N, in 2N positions in such a way so that
>>>>> there are
>>>>>
>>>>> Exactly “n” number of cells between two placed locations of number
>>>>> “n”.
>>>>> Write a program to display numbers placed in this way.
>>>>>
>>>>> Example:-
>>>>>
>>>>> (1) One of the possible placement for 7 numbers in 14 positions is :
>>>>> 5 7 2 3 6 2 5 3 4 7 1 6 1 4
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>>
>>>>> "To Iterate is Human, To Recurse is Divine"
>>>>>
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>>>>>
>>>>
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>>>
>>>
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>
>
>
> --
> Regards,
> Rahul Patil
>
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