[newSolution]Who can add 1 more problem of LeetCode 3612

[LetMeFly666]

By Github Actions | 3612.用特殊操作处理字符串 I | 2026-06-16

[1problem1day]

This issue was automatically added to the project.
🕒 Time (Beijing, UTC+8): 2026/6/16 03:43:26
🤖 Triggered by 1problem1day Bot according to action file

[1problem1day]

Set finish date = 2026-06-18 in project.
🕒 Time (Beijing, UTC+8): 2026/6/18 09:54:06
🤖 Triggered by 1problem1day Bot according to action file