g1701_1800.s1796_second_largest_digit_in_a_string

Class Solution

java.lang.Object

g1701_1800.s1796_second_largest_digit_in_a_string.Solution

public class Solution
extends Object

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.

Constructor Summary

Constructors

Constructor and Description
Solution()

Method Summary

Modifier and Type	Method and Description
int	secondHighest(String s)

Methods inherited from class java.lang.Object

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

Constructor Detail

Solution

public Solution()

Method Detail

secondHighest

public int secondHighest(String s)