题解 | #求int型正整数在内存中存储时1的个数#
求int型正整数在内存中存储时1的个数
http://www.nowcoder.com/practice/440f16e490a0404786865e99c6ad91c9
import sys
from collections import Counter
def run(a: str):
a = int(a)
a = dict(Counter(list(bin(a)[2:])))
return a["1"]
for line in sys.stdin:
a = line.strip()
print(run(a))
