g2101_2200.s2185_counting_words_with_a_given_prefix

Class Solution

java.lang.Object

g2101_2200.s2185_counting_words_with_a_given_prefix.Solution

public class Solution
extends Object

2185 - Counting Words With a Given Prefix.

Easy

You are given an array of strings words and a string pref.

Return the number of strings in words that contain pref as a prefix.

A prefix of a string s is any leading contiguous substring of s.

Example 1:

Input: words = [“pay”,“attention”,“practice”,“attend”], pref \= “at”

Output: 2

Explanation: The 2 strings that contain “at” as a prefix are: “attention” and “attend”.

Example 2:

Input: words = [“leetcode”,“win”,“loops”,“success”], pref \= “code”

Output: 0

Explanation: There are no strings that contain “code” as a prefix.

Constraints:

• 1 <= words.length <= 100
• 1 <= words[i].length, pref.length <= 100
• words[i] and pref consist of lowercase English letters.

Constructor Summary

Constructors

Constructor and Description
Solution()

Method Summary

Modifier and Type	Method and Description
int	prefixCount(String[] words, String pref)

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

prefixCount

public int prefixCount(String[] words,
                       String pref)