Leetcode - Self Dividing Numbers Solution
A self-dividing number is a number that is divisible by every digit it contains.
For example, 128 is a self-dividing number because 128 % 1 == 0
, 128 % 2 == 0
, and 128 % 8 == 0
.
Also, a self-dividing number is not allowed to contain the digit zero.
Given a lower and upper number bound, output a list of every possible self dividing number, including the bounds if possible.
Example 1:
Input:
left = 1, right = 22
Output: [1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 15, 22]
Note:
- The boundaries of each input argument are
1 <= left <= right <= 10000
.
Solution in Python
class Solution:
@staticmethod
def isSelfDividing(num):
for i in str(num):
i = int(i)
if i==0 or num%i!=0:
return False
else:
return True
def selfDividingNumbers(self, left: int, right: int) -> List[int]:
arr = []
for i in range(left,right+1):
if self.isSelfDividing(i):
arr.append(i)
return arr