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g1701_1800.s1768_merge_strings_alternately.readme.md Maven / Gradle / Ivy

1768\. Merge Strings Alternately

Easy

You are given two strings `word1` and `word2`. Merge the strings by adding letters in alternating order, starting with `word1`. If a string is longer than the other, append the additional letters onto the end of the merged string.

Return _the merged string._

**Example 1:**

**Input:** word1 = "abc", word2 = "pqr"

**Output:** "apbqcr"

**Explanation:** The merged string will be merged as so:

word1:  a   b   c

word2:    p   q   r

merged: a p b q c r

**Example 2:**

**Input:** word1 = "ab", word2 = "pqrs"

**Output:** "apbqrs"

**Explanation:** Notice that as word2 is longer, "rs" is appended to the end.

word1:  a   b 

word2:    p   q   r   s

merged: a p b q   r   s

**Example 3:**

**Input:** word1 = "abcd", word2 = "pq"

**Output:** "apbqcd"

**Explanation:** Notice that as word1 is longer, "cd" is appended to the end.

word1:  a   b   c   d

word2:    p   q 

merged: a p b q c   d

**Constraints:**

*   `1 <= word1.length, word2.length <= 100`
*   `word1` and `word2` consist of lowercase English letters.