but limits of A and B are very large
10^15
how is this possible
am i missing something,
like Max(B-A) = 10^6 or 10^7
On Fri, Jun 17, 2011 at 3:30 PM, Arpit Sood <soodfi...@gmail.com> wrote:
> lol, i mean in linear time....
>
>
> On Fri, Jun 17, 2011 at 3:27 PM, sunny agrawal <sunny816.i...@gmail.com>wrote:
>
>> where n is ??
>>
>> On Fri, Jun 17, 2011 at 3:23 PM, Arpit Sood <soodfi...@gmail.com> wrote:
>>
>>> i have got AC with O(n)
>>>
>>> On Fri, Jun 17, 2011 at 2:59 PM, sunny agrawal
>>> <sunny816.i...@gmail.com>wrote:
>>>
>>>> you need to try something better as limits of A and B are very large :)
>>>> you can not run a loop from A to B
>>>>
>>>> i have not tried it but the logic is there will be many nos which will
>>>> give the same value and we dont need to calculate for them all explicitply
>>>> :)
>>>>
>>>>
>>>> On Fri, Jun 17, 2011 at 2:52 PM, KK <kunalkapadi...@gmail.com> wrote:
>>>>
>>>>> To remove all digits left of the rightmost digit one in the binary
>>>>> representation of some integer what we need to do is this:
>>>>> ans = no & -no
>>>>> and this is what is exactly asked in this problem of SPOJ:
>>>>> www.spoj.pl/problems/MZVRK/
>>>>>
>>>>>
>>>>> #include<iostream>
>>>>> using namespace std;
>>>>> int main()
>>>>> {
>>>>> unsigned long long int a, b, sum;
>>>>> while(scanf("%lld%lld", &a, &b) != EOF)
>>>>> {
>>>>> sum = 0;
>>>>> while(a != (b+1))
>>>>> {
>>>>> sum += (a & -a);
>>>>> a++;
>>>>> }
>>>>> printf("%lld\n", sum);
>>>>> }
>>>>> return 0;
>>>>> }
>>>>>
>>>>> Its giving TLE on some 10th case...
>>>>>
>>>>> --
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>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Sunny Aggrawal
>>>> B-Tech IV year,CSI
>>>> Indian Institute Of Technology,Roorkee
>>>>
>>>>
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>>>
>>>
>>>
>>> --
>>> Regards,
>>> Arpit Sood
>>>
>>> --
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>>
>>
>>
>> --
>> Sunny Aggrawal
>> B-Tech IV year,CSI
>> Indian Institute Of Technology,Roorkee
>>
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>>
>
>
>
> --
> Regards,
> Arpit Sood
>
> --
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>
--
Sunny Aggrawal
B-Tech IV year,CSI
Indian Institute Of Technology,Roorkee
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