class Solution:
# @param {integer} dividend
# @param {integer} divisor
# @return {integer}
def divide(self, dividend, divisor):
if(dividend < 0 and divisor > 0) or (dividend > 0 and divisor < 0): flag=1
else: flag=0
a=abs(dividend);b=abs(divisor)
result=0;c=0
while a>=b:
i=0;c=b
while a>=c:
a -= c
result += (1<<i)
i += 1
c = (c<<i)
if flag: result = -result
return min(max(-2147483648, result), 2147483647)
代码有问题,不要参考……不好意思,浪费您的时间了!