class Solution(object):
def countBits(self, num):
"""
:type num: int
:rtype: List[int]
"""
res = [0] * (num + 1)
for i in range(1, num + 1):
# res[left:last] + last bit
res[i] = res[i >> 1] + (i & 1)
return res
Download Counting Bits.pyLeetcode 338 Counting Bits problem solution in python3 with explanation. This is the best place to expand your knowledge and get prepared for your next interview.
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