# 1967. Number of Strings That Appear as Substrings in Word

https://leetcode.com/problems/number-of-strings-that-appear-as-substrings-in-word

## Description

Given an array of strings `patterns` and a string `word`, return _the **number** of strings in_ `patterns` _that exist as a **substring** in_ `word`.

A **substring** is a contiguous sequence of characters within a string.

**Example 1:**

```
**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:**

```
**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:**

```
**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.

## ac

```java
```
