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Tagged with coding algorithms
4 questions
0
votes
1
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Efficient way to find Xor of pairs with given target X in a range 0 to K
I came across a problem: given an array (can be huge 10^8) and an integer, K, find the count of pairs in the array whose Xor equal to each value in the range 0 to K.
eg:
Arr = 1 2 3
K = 2
since K=...
- 101
2
votes
1
answer
670
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Is this synchronization required in service onCreate method?
Below is a sample code i captured from android doc
Per service instance onCreate will be called only once. Ref: here and here
The synchronization and singleton doesn't make any sense to me in this ...
- 407
5
votes
1
answer
420
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Website with test data files for specific algorithms/data structures?
Is there any website, like SPOJ and Project Euler, with the test data files available for specific algorithms/data structures?
I know it's a fun challenge to solve those problems on your own, but I ...
- 305
5
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1
answer
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Coding site with test harness for basic data structures like linked list,graph,strings etc [closed]
I just took an Amazon online test and I messed it up badly. I am out of practice and have low confidence in writing code.
Are there any coding sites with test harnesses for basic data structures and ...
- 1,162