How to Solve Count the Number of Vowel Strings in Range Problem
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Count the Number of Vowel Strings in Range
You are given a 0-indexed array of string words and two integers left and right. A string is called a vowel string if it starts with a vowel character and ends with a vowel character where vowel chara...
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Problem Statement
You are given a 0-indexed array of string words and two integers left and right. A string is called a vowel string if it starts with a vowel character and ends with a vowel character where vowel characters are 'a', 'e', 'i', 'o', and 'u'. Return the number of vowel strings words[i] where i belongs to the inclusive range [left, right].
Count the Number of Vowel Strings in Range
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Examples
words = ["are","amy","u"], left = 0, right = 22- "are" is a vowel string because it starts with 'a' and ends with 'e'. - "amy" is not a vowel string because it does not end with a vowel. - "u" is a vowel string because it starts with 'u' and ends with 'u'. The number of vowel strings in the mentioned range is 2.
words = ["hey","aeo","mu","ooo","artro"], left = 1, right = 43- "aeo" is a vowel string because it starts with 'a' and ends with 'o'. - "mu" is not a vowel string because it does not start with a vowel. - "ooo" is a vowel string because it starts with 'o' and ends with 'o'. - "artro" is a vowel string because it starts with 'a' and ends with 'o'. The number of vowel strings in the mentioned range is 3.
Constraints
1 <= words.length <= 10001 <= words[i].length <= 10words[i] consists of only lowercase English letters.0 <= left <= right < words.lengthHow Interview Coder Helps with Leetcode Problems
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