Number of Strings That Appear as Substrings in Word solution leetcode

Number of Strings That Appear as Substrings in Word solution leetcode

Given an array of strings patterns and a string word, return the number of strings in patterns that exist as a substring in word.

substring is a contiguous sequence of characters within a string.

 

Example 1: Number of Strings That Appear as Substrings in Word solution leetcode 

Input: patterns = ["a","abc","bc","d"], word = "abc"
Output: 3
Explanation:
- "a" appears as a substring in "abc".
- "abc" appears as a substring in "abc".
- "bc" appears as a substring in "abc".
- "d" does not appear as a substring in "abc".
3 of the strings in patterns appear as a substring in word.

Example 2: Number of Strings That Appear as Substrings in Word solution leetcode 

Input: patterns = ["a","b","c"], word = "aaaaabbbbb"
Output: 2
Explanation:
- "a" appears as a substring in "aaaaabbbbb".
- "b" appears as a substring in "aaaaabbbbb".
- "c" does not appear as a substring in "aaaaabbbbb".
2 of the strings in patterns appear as a substring in word.

Example 3: Number of Strings That Appear as Substrings in Word solution leetcode 

Input: patterns = ["a","a","a"], word = "ab"
Output: 3
Explanation: Each of the patterns appears as a substring in word "ab".

 

Constraints:

  • 1 <= patterns.length <= 100
  • 1 <= patterns[i].length <= 100
  • 1 <= word.length <= 100
  • patterns[i] and word consist of lowercase English letters.
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