题解 | #查找输入整数二进制中1的个数#
查找输入整数二进制中1的个数
http://www.nowcoder.com/practice/1b46eb4cf3fa49b9965ac3c2c1caf5ad
while True:
try:
n = 0
x = int(input())
while x:
x = x & (x-1)
n += 1
print(n)
except:
break