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g0401_0500.s0466_count_the_repetitions.readme.md Maven / Gradle / Ivy

466\. Count The Repetitions

Hard

We define `str = [s, n]` as the string `str` which consists of the string `s` concatenated `n` times.

*   For example, `str == ["abc", 3] =="abcabcabc"`.

We define that string `s1` can be obtained from string `s2` if we can remove some characters from `s2` such that it becomes `s1`.

*   For example, `s1 = "abc"` can be obtained from `s2 = "ab**dbe**c"` based on our definition by removing the bolded underlined characters.

You are given two strings `s1` and `s2` and two integers `n1` and `n2`. You have the two strings `str1 = [s1, n1]` and `str2 = [s2, n2]`.

Return _the maximum integer_ `m` _such that_ `str = [str2, m]` _can be obtained from_ `str1`.

**Example 1:**

**Input:** s1 = "acb", n1 = 4, s2 = "ab", n2 = 2

**Output:** 2

**Example 2:**

**Input:** s1 = "acb", n1 = 1, s2 = "acb", n2 = 1

**Output:** 1

**Constraints:**

*   `1 <= s1.length, s2.length <= 100`
*   `s1` and `s2` consist of lowercase English letters.
*   1 <= n1, n2 <= 106