1768_easy_mergeAlternately.go

package main

// mergeAlternately: https://leetcode.com/problems/merge-strings-alternately
// #easy
func mergeAlternately(word1 string, word2 string) string {
	m, n := len(word1), len(word2)
	ans := make([]byte, 0, m+n)
	for i := 0; i < m || i < n; i++ {
		if i < m {
			ans = append(ans, word1[i])
		}
		if i < n {
			ans = append(ans, word2[i])
		}
	}
	return string(ans)
}