Count pairs which differ in K bits
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Count pairs which differ in K bits
Hi, I spent one day for this problem but I haven't come up with solution for this problem. Can you take a look at this problem? Thanks.
Statements:
Given an array which have elements which values are , count all pairs in array which differ in exactly bits of binary representation of both the numbers.
Sample Input:
5 2
2 4 1 3 1Sample Output:
5Explanation:
Link: https://www.spoj.com/PTIT/problems/P186PROF/ (in Vietnamese since I can't find any other links). Test case for this problem in SPOJ is weak, since I got accepted with time complexity . But this is not the intended soluton, maybe.
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