https://github.com/VISUALBoostcampCV/CodingStudy/blob/b4aa163d07fc2df06d5e0afd97dfbfd5fad5d3d4/%EC%A0%90%ED%94%84%EC%99%80%20%EC%88%9C%EA%B0%84%20%EC%9D%B4%EB%8F%99/YooRiChae.py#L4-L8 ``` if n%2 != 0: ans += 1 n //= 2 ```
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