[newSolution]Who can add 1 more problem of LeetCode 1415+docs(swapfile)

[LetMeFly666]

By Github Actions | 1415.长度为 n 的开心字符串中字典序第 k 小的字符串 | 2026-03-14

[1problem1day]

This issue was automatically added to the project.
🕒 Time (Beijing, UTC+8): 2026/3/14 00:35:21
🤖 Triggered by 1problem1day Bot according to action file

[LetMeFly666]

hello #1441 you are not alone now(/again). -- From MacOS

[1problem1day]

Set the project status to In Progress based on the solving label.
🕒 Time (Beijing, UTC+8): 2026/3/14 22:56:34
🤖 Triggered by 1problem1day Bot according to action file