diff options
Diffstat (limited to 'number_complement.py')
-rw-r--r-- | number_complement.py | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/number_complement.py b/number_complement.py new file mode 100644 index 0000000..149a834 --- /dev/null +++ b/number_complement.py @@ -0,0 +1,26 @@ +# 476. Number Complement + +""" +the complement of an integer is the integer you get when you flip all the 0's +to 1's and all the 1's to 0's in its binary representation. for example, the +integer 5 is "101" in binary and its complement is "010", which is the +integer 2. given an integer 'num', return its complement +""" + + +class Solution(object): + def findComplement(self, num): + """ + :type num: int + :rtype: int + """ + i = 1 + while i <= num: + i = i << 1 + return (i - 1) ^ num + + +if __name__ == "__main__": + obj = Solution() + print(obj.findComplement(5)) + print(obj.findComplement(1)) |