# -*- coding:utf8 -*-
class Solution:
# @param n, an integer
# @return an integer
def reverseBits(self, n):
new = 0
for i in range(32):
new = (new << 1) | ((n >> i) % 2)
# n右移并%2得到二进制表达下的每位值。然后,new左移得到xxx0,'|' n的每位值,即xxx0可能变成xxx1。
return new
if __name__ == "__main__":
print Solution().reverseBits(43261596)
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