Class Solution

java.lang.Object
g1301_1400.s1399_count_largest_group.Solution

public class Solution extends Object
1399 - Count Largest Group.

Easy

You are given an integer n.

Each number from 1 to n is grouped according to the sum of its digits.

Return the number of groups that have the largest size.

Example 1:

Input: n = 13

Output: 4

Explanation: There are 9 groups in total, they are grouped according sum of its digits of numbers from 1 to 13:

[1,10], [2,11], [3,12], [4,13], [5], [6], [7], [8], [9].

There are 4 groups with largest size.

Example 2:

Input: n = 2

Output: 2

Explanation: There are 2 groups [1], [2] of size 1.

Constraints:

  • 1 <= n <= 104
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • countLargestGroup

      public int countLargestGroup(int n)