java.lang.Object
g1401_1500.s1456_maximum_number_of_vowels_in_a_substring_of_given_length.Solution

public class Solution extends java.lang.Object
1456 - Maximum Number of Vowels in a Substring of Given Length.

Medium

Given a string s and an integer k, return the maximum number of vowel letters in any substring of s with length k.

Vowel letters in English are 'a', 'e', 'i', 'o', and 'u'.

Example 1:

Input: s = “abciiidef”, k = 3

Output: 3

Explanation: The substring “iii” contains 3 vowel letters.

Example 2:

Input: s = “aeiou”, k = 2

Output: 2

Explanation: Any substring of length 2 contains 2 vowels.

Example 3:

Input: s = “leetcode”, k = 3

Output: 2

Explanation: “lee”, “eet” and “ode” contain 2 vowels.

Constraints:

  • 1 <= s.length <= 105
  • s consists of lowercase English letters.
  • 1 <= k <= s.length
  • Constructor Summary

    Constructors
    Constructor
    Description
     
  • Method Summary

    Modifier and Type
    Method
    Description
    int
    maxVowels(java.lang.String s, int k)
     

    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

    • maxVowels

      public int maxVowels(java.lang.String s, int k)