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
https://www.nowcoder.com/practice/440f16e490a0404786865e99c6ad91c9
import sys
s= int(input())
s = bin(s)
j=0
for i in str(s[2:]):
# print(type(int(i)))
if int(i)==1:
j+=1
else:
pass
print(j)
