Re: [algogeeks] an array question

2011-08-13 Thread *$*
we will sort the new array in desc order .. and we will carry the same order
even to original array..
so after sorting the new arraay will be 90,80,23,19,10 .. so corresponding
original array is 9823191



On Sat, Aug 13, 2011 at 12:50 PM, *$*  wrote:

> 1.scan the array and find the maximum digits of integer. lets say m..
> 2.Again scan the array and pad the intergers whose digits are less that m
> (< m) with zero's .. copy the new integers in a new array
> 3.sort the new array in desc order and carry the same even for original
> array.
> 4. Now the original array contains the required output.
> ex: original aarray 23,8,19,9,1
>
> max digits : 2 (for 23 as well as 19)
> step 2: new array 23,80,19,90,10
> step3. sort .. 90,80,23,19,10 .. and corresponding original is .. 98231910.
>
> original array contains the original output..
>
>
>
> On Sat, Aug 13, 2011 at 7:15 AM, chengjie qi  wrote:
>
>> int compare(int a, int b) {
>> string s = Integer.tostring(a);
>> string y = Integer.tostring(b);
>> if (s +y < y+s)
>>return -1;
>> else
>>return 1;
>> }
>>
>>
>>  use this to write quick sort , you can get the answer.
>>
>> On Fri, Aug 12, 2011 at 8:34 PM, Yasir Imteyaz wrote:
>>
>>> An array of integers is given and you have to find the largest possible
>>> integer by concatenating all elements:
>>>
>>> example:
>>> array:  87  36  52
>>> answer:  875236
>>>
>>> array: 87 9 52
>>> answer: 98752
>>>
>>> --
>>> You received this message because you are subscribed to the Google Groups
>>> "Algorithm Geeks" group.
>>> To view this discussion on the web visit
>>> https://groups.google.com/d/msg/algogeeks/-/_lJJOlRG_ukJ.
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>>> algogeeks+unsubscr...@googlegroups.com.
>>> For more options, visit this group at
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>>>
>>
>>
>>
>> --
>> stay hungry stay foolish
>> Chengjie Qi
>>
>>
>>   --
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>>
>
>
>
> --
> Thx,
> --Gopi
>
>


-- 
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--Gopi

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Re: [algogeeks] an array question

2011-08-13 Thread chengjie qi
import java.util.Arrays;
import java.util.Comparator;

public class NewSort implements Comparator {
@Override
public int compare(Integer o1, Integer o2) {
String s1 = o1.toString();
String s2 = o2.toString();
String com1 = s1 + s2;
String com2 = s2 + s1;
if (com1.compareTo(com2) < 0 ) {
return 1;
} else if (com1.compareTo(com2) == 0) {
return 0;
} else {
return -1;
}
}
 public static void main(String[] args) {
Integer[] a = new Integer[5];
a[0] = 23;
a[1] = 8;
a[2] = 19;
a[3] = 9;
a[4] = 1;
 Arrays.sort(a, new NewSort());
for (int i = 0; i < 5; i++) {
System.out.print(a[i]);
}
System.out.println();
}
}

On Sat, Aug 13, 2011 at 3:39 PM, *$*  wrote:

> hi nikhil..
> correct ... just type error..
> but as per my algo .. as we need to consider the elements of original
> array... the last element is 1 , but not 10.
>
>
>
>
> On Sat, Aug 13, 2011 at 1:01 PM, Nikhil Veliath  wrote:
>
>> @$ the ans should be 9823191 and not 98231910
>>
>> On Sat, Aug 13, 2011 at 12:59 PM, Nikhil Veliath 
>> wrote:
>> > @$ did not understand how the original array is sorted to give the
>> number!
>> >
>> > On Sat, Aug 13, 2011 at 12:50 PM, *$*  wrote:
>> >> 1.scan the array and find the maximum digits of integer. lets say m..
>> >> 2.Again scan the array and pad the intergers whose digits are less that
>> m (<
>> >> m) with zero's .. copy the new integers in a new array
>> >> 3.sort the new array in desc order and carry the same even for original
>> >> array.
>> >> 4. Now the original array contains the required output.
>> >> ex: original aarray 23,8,19,9,1
>> >>
>> >> max digits : 2 (for 23 as well as 19)
>> >> step 2: new array 23,80,19,90,10
>> >> step3. sort .. 90,80,23,19,10 .. and corresponding original is ..
>> 98231910.
>> >>
>> >> original array contains the original output..
>> >>
>> >>
>> >>
>> >> On Sat, Aug 13, 2011 at 7:15 AM, chengjie qi 
>> wrote:
>> >>>
>> >>> int compare(int a, int b) {
>> >>> string s = Integer.tostring(a);
>> >>> string y = Integer.tostring(b);
>> >>> if (s +y < y+s)
>> >>>return -1;
>> >>> else
>> >>>return 1;
>> >>> }
>> >>>
>> >>>  use this to write quick sort , you can get the answer.
>> >>> On Fri, Aug 12, 2011 at 8:34 PM, Yasir Imteyaz 
>> >>> wrote:
>> 
>>  An array of integers is given and you have to find the largest
>> possible
>>  integer by concatenating all elements:
>>  example:
>>  array:  87  36  52
>>  answer:  875236
>>  array: 87 9 52
>>  answer: 98752
>> 
>>  --
>>  You received this message because you are subscribed to the Google
>> Groups
>>  "Algorithm Geeks" group.
>>  To view this discussion on the web visit
>>  https://groups.google.com/d/msg/algogeeks/-/_lJJOlRG_ukJ.
>>  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.
>> >>>
>> >>>
>> >>>
>> >>> --
>> >>> stay hungry stay foolish
>> >>> Chengjie Qi
>> >>>
>> >>>
>> >>> --
>> >>> 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.
>> >>
>> >>
>> >>
>> >> --
>> >> Thx,
>> >> --Gopi
>> >>
>> >> --
>> >> You received this message because you are subscribed to the Google
>> Groups
>> >> "Algorithm Geeks" group.
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>> >>
>> >
>>
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>>
>
>
> --
> Thx,
> --Gopi
>
>  --
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-- 
stay hungry stay foolish
Chengjie Qi

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Re: [algogeeks] an array question

2011-08-13 Thread *$*
hi nikhil..
correct ... just type error..
but as per my algo .. as we need to consider the elements of original
array... the last element is 1 , but not 10.



On Sat, Aug 13, 2011 at 1:01 PM, Nikhil Veliath  wrote:

> @$ the ans should be 9823191 and not 98231910
>
> On Sat, Aug 13, 2011 at 12:59 PM, Nikhil Veliath  wrote:
> > @$ did not understand how the original array is sorted to give the
> number!
> >
> > On Sat, Aug 13, 2011 at 12:50 PM, *$*  wrote:
> >> 1.scan the array and find the maximum digits of integer. lets say m..
> >> 2.Again scan the array and pad the intergers whose digits are less that
> m (<
> >> m) with zero's .. copy the new integers in a new array
> >> 3.sort the new array in desc order and carry the same even for original
> >> array.
> >> 4. Now the original array contains the required output.
> >> ex: original aarray 23,8,19,9,1
> >>
> >> max digits : 2 (for 23 as well as 19)
> >> step 2: new array 23,80,19,90,10
> >> step3. sort .. 90,80,23,19,10 .. and corresponding original is ..
> 98231910.
> >>
> >> original array contains the original output..
> >>
> >>
> >>
> >> On Sat, Aug 13, 2011 at 7:15 AM, chengjie qi 
> wrote:
> >>>
> >>> int compare(int a, int b) {
> >>> string s = Integer.tostring(a);
> >>> string y = Integer.tostring(b);
> >>> if (s +y < y+s)
> >>>return -1;
> >>> else
> >>>return 1;
> >>> }
> >>>
> >>>  use this to write quick sort , you can get the answer.
> >>> On Fri, Aug 12, 2011 at 8:34 PM, Yasir Imteyaz 
> >>> wrote:
> 
>  An array of integers is given and you have to find the largest
> possible
>  integer by concatenating all elements:
>  example:
>  array:  87  36  52
>  answer:  875236
>  array: 87 9 52
>  answer: 98752
> 
>  --
>  You received this message because you are subscribed to the Google
> Groups
>  "Algorithm Geeks" group.
>  To view this discussion on the web visit
>  https://groups.google.com/d/msg/algogeeks/-/_lJJOlRG_ukJ.
>  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.
> >>>
> >>>
> >>>
> >>> --
> >>> stay hungry stay foolish
> >>> Chengjie Qi
> >>>
> >>>
> >>> --
> >>> 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.
> >>
> >>
> >>
> >> --
> >> Thx,
> >> --Gopi
> >>
> >> --
> >> 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.
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> >> For more options, visit this group at
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> >>
> >
>
> --
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>


-- 
Thx,
--Gopi

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Re: [algogeeks] an array question

2011-08-13 Thread Nikhil Veliath
@$ the ans should be 9823191 and not 98231910

On Sat, Aug 13, 2011 at 12:59 PM, Nikhil Veliath  wrote:
> @$ did not understand how the original array is sorted to give the number!
>
> On Sat, Aug 13, 2011 at 12:50 PM, *$*  wrote:
>> 1.scan the array and find the maximum digits of integer. lets say m..
>> 2.Again scan the array and pad the intergers whose digits are less that m (<
>> m) with zero's .. copy the new integers in a new array
>> 3.sort the new array in desc order and carry the same even for original
>> array.
>> 4. Now the original array contains the required output.
>> ex: original aarray 23,8,19,9,1
>>
>> max digits : 2 (for 23 as well as 19)
>> step 2: new array 23,80,19,90,10
>> step3. sort .. 90,80,23,19,10 .. and corresponding original is .. 98231910.
>>
>> original array contains the original output..
>>
>>
>>
>> On Sat, Aug 13, 2011 at 7:15 AM, chengjie qi  wrote:
>>>
>>> int compare(int a, int b) {
>>> string s = Integer.tostring(a);
>>> string y = Integer.tostring(b);
>>> if (s +y < y+s)
>>>    return -1;
>>> else
>>>    return 1;
>>> }
>>>
>>>  use this to write quick sort , you can get the answer.
>>> On Fri, Aug 12, 2011 at 8:34 PM, Yasir Imteyaz 
>>> wrote:

 An array of integers is given and you have to find the largest possible
 integer by concatenating all elements:
 example:
 array:  87  36  52
 answer:  875236
 array: 87 9 52
 answer: 98752

 --
 You received this message because you are subscribed to the Google Groups
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 https://groups.google.com/d/msg/algogeeks/-/_lJJOlRG_ukJ.
 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.
>>>
>>>
>>>
>>> --
>>> stay hungry stay foolish
>>> Chengjie Qi
>>>
>>>
>>> --
>>> You received this message because you are subscribed to the Google Groups
>>> "Algorithm Geeks" group.
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>>
>>
>>
>> --
>> Thx,
>> --Gopi
>>
>> --
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>>
>

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Re: [algogeeks] an array question

2011-08-13 Thread Nikhil Veliath
@$ did not understand how the original array is sorted to give the number!

On Sat, Aug 13, 2011 at 12:50 PM, *$*  wrote:
> 1.scan the array and find the maximum digits of integer. lets say m..
> 2.Again scan the array and pad the intergers whose digits are less that m (<
> m) with zero's .. copy the new integers in a new array
> 3.sort the new array in desc order and carry the same even for original
> array.
> 4. Now the original array contains the required output.
> ex: original aarray 23,8,19,9,1
>
> max digits : 2 (for 23 as well as 19)
> step 2: new array 23,80,19,90,10
> step3. sort .. 90,80,23,19,10 .. and corresponding original is .. 98231910.
>
> original array contains the original output..
>
>
>
> On Sat, Aug 13, 2011 at 7:15 AM, chengjie qi  wrote:
>>
>> int compare(int a, int b) {
>> string s = Integer.tostring(a);
>> string y = Integer.tostring(b);
>> if (s +y < y+s)
>>    return -1;
>> else
>>    return 1;
>> }
>>
>>  use this to write quick sort , you can get the answer.
>> On Fri, Aug 12, 2011 at 8:34 PM, Yasir Imteyaz 
>> wrote:
>>>
>>> An array of integers is given and you have to find the largest possible
>>> integer by concatenating all elements:
>>> example:
>>> array:  87  36  52
>>> answer:  875236
>>> array: 87 9 52
>>> answer: 98752
>>>
>>> --
>>> You received this message because you are subscribed to the Google Groups
>>> "Algorithm Geeks" group.
>>> To view this discussion on the web visit
>>> https://groups.google.com/d/msg/algogeeks/-/_lJJOlRG_ukJ.
>>> To post to this group, send email to algogeeks@googlegroups.com.
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>>> algogeeks+unsubscr...@googlegroups.com.
>>> For more options, visit this group at
>>> http://groups.google.com/group/algogeeks?hl=en.
>>
>>
>>
>> --
>> stay hungry stay foolish
>> Chengjie Qi
>>
>>
>> --
>> 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.
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>> For more options, visit this group at
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>
>
>
> --
> Thx,
> --Gopi
>
> --
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Re: [algogeeks] an array question

2011-08-13 Thread *$*
1.scan the array and find the maximum digits of integer. lets say m..
2.Again scan the array and pad the intergers whose digits are less that m (<
m) with zero's .. copy the new integers in a new array
3.sort the new array in desc order and carry the same even for original
array.
4. Now the original array contains the required output.
ex: original aarray 23,8,19,9,1

max digits : 2 (for 23 as well as 19)
step 2: new array 23,80,19,90,10
step3. sort .. 90,80,23,19,10 .. and corresponding original is .. 98231910.

original array contains the original output..



On Sat, Aug 13, 2011 at 7:15 AM, chengjie qi  wrote:

> int compare(int a, int b) {
> string s = Integer.tostring(a);
> string y = Integer.tostring(b);
> if (s +y < y+s)
>return -1;
> else
>return 1;
> }
>
>
>  use this to write quick sort , you can get the answer.
>
> On Fri, Aug 12, 2011 at 8:34 PM, Yasir Imteyaz wrote:
>
>> An array of integers is given and you have to find the largest possible
>> integer by concatenating all elements:
>>
>> example:
>> array:  87  36  52
>> answer:  875236
>>
>> array: 87 9 52
>> answer: 98752
>>
>> --
>> You received this message because you are subscribed to the Google Groups
>> "Algorithm Geeks" group.
>> To view this discussion on the web visit
>> https://groups.google.com/d/msg/algogeeks/-/_lJJOlRG_ukJ.
>> 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.
>>
>
>
>
> --
> stay hungry stay foolish
> Chengjie Qi
>
>
>   --
> You received this message because you are subscribed to the Google Groups
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>



-- 
Thx,
--Gopi

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Re: [algogeeks] an array question

2011-08-12 Thread chengjie qi
int compare(int a, int b) {
string s = Integer.tostring(a);
string y = Integer.tostring(b);
if (s +y < y+s)
   return -1;
else
   return 1;
}


 use this to write quick sort , you can get the answer.

On Fri, Aug 12, 2011 at 8:34 PM, Yasir Imteyaz  wrote:

> An array of integers is given and you have to find the largest possible
> integer by concatenating all elements:
>
> example:
> array:  87  36  52
> answer:  875236
>
> array: 87 9 52
> answer: 98752
>
> --
> You received this message because you are subscribed to the Google Groups
> "Algorithm Geeks" group.
> To view this discussion on the web visit
> https://groups.google.com/d/msg/algogeeks/-/_lJJOlRG_ukJ.
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>



-- 
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Chengjie Qi

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Re: [algogeeks] an array question

2011-08-12 Thread nivethi tha
I think tis works

On Fri, Aug 12, 2011 at 6:16 PM, Nitin Nizhawan wrote:

> radix sort the digits wrong way (left most digit first), and then
> concatenate
>
>
> On Fri, Aug 12, 2011 at 6:12 PM, Yasir  wrote:
>
>> Kindly  check it with both the examples. It won't work.
>>
>> --
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Re: [algogeeks] an array question

2011-08-12 Thread rajul jain
I have use bactracking

http://codepad.org/rF4Sr3zk

it works for only 1 and 2digit number



On Fri, Aug 12, 2011 at 6:04 PM, Yasir Imteyaz  wrote:

> An array of integers is given and you have to find the largest possible
> integer by concatenating all elements:
>
> example:
> array:  87  36  52
> answer:  875236
>
> array: 87 9 52
> answer: 98752
>
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Re: [algogeeks] an array question

2011-08-12 Thread rajesh singarapu
use something like radix sort, but from numbers left to right.

in given example: 87  36  52

87
36
52

place 87 then 52 than 36

if input is something like
9
87
36
52

place 9875236


this you can do with minor modification of radix sort.

thanks
Rajesh





On Fri, Aug 12, 2011 at 6:31 PM, Abhishek Gupta
 wrote:
> see the second example...if a single digit is there...tht will be at the
> very end of the array...and if it is 9 it must come at first place...there
> it goes wrong...
>
> On Fri, Aug 12, 2011 at 6:23 PM, Prem Krishna Chettri 
> wrote:
>>
>> Amazing ,
>>   Kindly Follow me up :-
>>
>> 1> Given Array of Random Value ...  say int a[]=
>> {20,365,299,50,67,21};
>>             Apply Any Sorting Algo on it... which Results into somewhat
>> like  a={365,299,67,50,21,20,.. blah..}...
>> 2> Well No U hv to put those values to a string variable.
>>    Please lemme knw if I need more clarification.. This is simple where is
>> the messy part??
>>
>>
>>
>> On Fri, Aug 12, 2011 at 6:16 PM, Nitin Nizhawan 
>> wrote:
>>>
>>> radix sort the digits wrong way (left most digit first), and then
>>> concatenate
>>>
>>> On Fri, Aug 12, 2011 at 6:12 PM, Yasir  wrote:

 Kindly  check it with both the examples. It won't work.

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>
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> BITS, Pilani
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Re: [algogeeks] an array question

2011-08-12 Thread Abhishek Gupta
see the second example...if a single digit is there...tht will be at the
very end of the array...and if it is 9 it must come at first place...there
it goes wrong...

On Fri, Aug 12, 2011 at 6:23 PM, Prem Krishna Chettri wrote:

> Amazing ,
>
>   Kindly Follow me up :-
>
>
> 1> Given Array of Random Value ...  say int a[]= {20,365,299,50,67,21};
> Apply Any Sorting Algo on it... which Results into somewhat
> like  a={365,299,67,50,21,20,.. blah..}...
>
> 2> Well No U hv to put those values to a string variable.
>
>Please lemme knw if I need more clarification.. This is simple where is
> the messy part??
>
>
>
>
> On Fri, Aug 12, 2011 at 6:16 PM, Nitin Nizhawan 
> wrote:
>
>> radix sort the digits wrong way (left most digit first), and then
>> concatenate
>>
>>
>> On Fri, Aug 12, 2011 at 6:12 PM, Yasir  wrote:
>>
>>> Kindly  check it with both the examples. It won't work.
>>>
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BITS, Pilani

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Re: [algogeeks] an array question

2011-08-12 Thread Prem Krishna Chettri
Amazing ,

  Kindly Follow me up :-


1> Given Array of Random Value ...  say int a[]= {20,365,299,50,67,21};
Apply Any Sorting Algo on it... which Results into somewhat like
 a={365,299,67,50,21,20,.. blah..}...

2> Well No U hv to put those values to a string variable.

   Please lemme knw if I need more clarification.. This is simple where is
the messy part??




On Fri, Aug 12, 2011 at 6:16 PM, Nitin Nizhawan wrote:

> radix sort the digits wrong way (left most digit first), and then
> concatenate
>
>
> On Fri, Aug 12, 2011 at 6:12 PM, Yasir  wrote:
>
>> Kindly  check it with both the examples. It won't work.
>>
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Re: [algogeeks] an array question

2011-08-12 Thread Nitin Nizhawan
radix sort the digits wrong way (left most digit first), and then
concatenate

On Fri, Aug 12, 2011 at 6:12 PM, Yasir  wrote:

> Kindly  check it with both the examples. It won't work.
>
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Re: [algogeeks] an array question

2011-08-12 Thread Yasir
Kindly  check it with both the examples. It won't work.

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Re: [algogeeks] an array question

2011-08-12 Thread Prem Krishna Chettri
1> Sort the Array
2> Put it to the String Accordingly..


Prem

On Fri, Aug 12, 2011 at 6:04 PM, Yasir Imteyaz  wrote:

> An array of integers is given and you have to find the largest possible
> integer by concatenating all elements:
>
> example:
> array:  87  36  52
> answer:  875236
>
> array: 87 9 52
> answer: 98752
>
> --
> You received this message because you are subscribed to the Google Groups
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[algogeeks] an array question

2011-08-12 Thread Yasir Imteyaz
An array of integers is given and you have to find the largest possible 
integer by concatenating all elements:

example:
array:  87  36  52
answer:  875236

array: 87 9 52
answer: 98752 

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