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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