Package g3001_3100.s3099_harshad_number
Class Solution
java.lang.Object
g3001_3100.s3099_harshad_number.Solution
3099 - Harshad Number.
Easy
An integer divisible by the sum of its digits is said to be a Harshad number. You are given an integer x
. Return the sum of the digits of x
if x
is a Harshad number, otherwise, return -1
.
Example 1:
Input: x = 18
Output: 9
Explanation:
The sum of digits of x
is 9
. 18
is divisible by 9
. So 18
is a Harshad number and the answer is 9
.
Example 2:
Input: x = 23
Output: -1
Explanation:
The sum of digits of x
is 5
. 23
is not divisible by 5
. So 23
is not a Harshad number and the answer is -1
.
Constraints:
1 <= x <= 100
-
Constructor Summary
Constructors -
Method Summary
-
Constructor Details
-
Solution
public Solution()
-
-
Method Details
-
sumOfTheDigitsOfHarshadNumber
public int sumOfTheDigitsOfHarshadNumber(int x)
-