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  1. class Solution:
  2.     # @param A : list of integers
  3.     # @return an integer
  4.     def cntBits(self, A):
  5.         res=0
  6.         n=len(A)
  7.         for i in range(31):
  8.             ans=0
  9.             for j in range(n):
  10.                 if ((A[j])&(1<<i)):
  11.                     ans=(ans+1)%100000007
  12.             res=(res+(ans*((n-ans)%10000007)))%100000007
  13.         return 2*res
Success #stdin #stdout 0.04s 9536KB
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https://ideone.com/nJZYgs
language:
Python 3 (python  3.12)
created:
2 years ago
visibility:
public

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