By Github [Actions](https://github.com/LetMeFly666/LeetCode/blob/8ccb627328a225291788cef109ab89a89197ca52/.github/workflows/1problem1day-autoGenIssueEveryday.yml) | [2977.转换字符串的最小成本 II](https://leetcode.cn/problems/minimum-cost-to-convert-string-ii/) | 2026-01-30