Package g2101_2200.s2180_count_integers_with_even_digit_sum

Class Solution

java.lang.Object

g2101_2200.s2180_count_integers_with_even_digit_sum.Solution

public class Solution
extends Object

2180 - Count Integers With Even Digit Sum\. Easy Given a positive integer `num`, return _the number of positive integers **less than or equal to**_ `num` _whose digit sums are **even**_. The **digit sum** of a positive integer is the sum of all its digits. **Example 1:** **Input:** num = 4 **Output:** 2 **Explanation:** The only integers less than or equal to 4 whose digit sums are even are 2 and 4. **Example 2:** **Input:** num = 30 **Output:** 14 **Explanation:** The 14 integers less than or equal to 30 whose digit sums are even are 2, 4, 6, 8, 11, 13, 15, 17, 19, 20, 22, 24, 26, and 28. **Constraints:** * `1 <= num <= 1000`

Constructor Summary

Constructors

Constructor	Description
Solution()

Method Summary

Modifier and Type	Method	Description
int	countEven(int n)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Solution

public Solution()

Method Details

countEven

public int countEven(int n)