[newSolution]Who can add 1 more problem of LeetCode 1967

[LetMeFly666]

By Github Actions | 1967.作为子字符串出现在单词中的字符串数目 | 2026-06-29

[1problem1day]

This issue was automatically added to the project.
🕒 Time (Beijing, UTC+8): 2026/6/29 01:03:40
🤖 Triggered by 1problem1day Bot according to action file

[LetMeFly666]

hello #1667 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): 2026/6/29 15:07:23
🤖 Triggered by 1problem1day Bot according to action file

[1problem1day]

Set finish date = 2026-06-29 in project.
🕒 Time (Beijing, UTC+8): 2026/6/29 15:55:14
🤖 Triggered by 1problem1day Bot according to action file

[1problem1day]

Set the project status to Done based on the solving label.
🕒 Time (Beijing, UTC+8): 2026/6/29 15:55:17
🤖 Triggered by 1problem1day Bot according to action file