Package g1701_1800.s1796_second_largest_digit_in_a_string

Class Solution

  • All Implemented Interfaces:
    
public final class Solution

    1796 - Second Largest Digit in a String.

    Easy

    Given an alphanumeric string s, return the second largest numerical digit that appears in s, or -1 if it does not exist.

    An alphanumeric string is a string consisting of lowercase English letters and digits.

    Example 1:

    Input: s = "dfa12321afd"

    Output: 2

    Explanation: The digits that appear in s are 1, 2, 3. The second largest digit is 2.

    Example 2:

    Input: s = "abc1111"

    Output: -1

    Explanation: The digits that appear in s are 1. There is no second largest digit.

    Constraints:

    • 1 <= s.length <= 500

    • s consists of only lowercase English letters and/or digits.

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description

    • Field Summary

      Fields 
      Modifier and Type Field Description

    • Constructor Summary

      Constructors 
      Constructor Description
      Solution()

    • Enum Constant Summary

      Enum Constants 
      Enum Constant Description

    • Method Summary

      Modifier and Type Method Description
      final Integer secondHighest(String s)

      • Methods inherited from class java.lang.Object

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