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1 | | -# LeetCode 题解(已完成 797 道) |
| 1 | +# LeetCode 题解(已完成 798 道) |
2 | 2 |
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3 | 3 | | 题号 | 标题 | 题解 | 标签 | 难度 | |
4 | 4 | | :------ | :------ | :------ | :------ | :------ | |
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221 | 221 | | 0304 | [二维区域和检索 - 矩阵不可变](https://leetcode.cn/problems/range-sum-query-2d-immutable/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0304.%20%E4%BA%8C%E7%BB%B4%E5%8C%BA%E5%9F%9F%E5%92%8C%E6%A3%80%E7%B4%A2%20-%20%E7%9F%A9%E9%98%B5%E4%B8%8D%E5%8F%AF%E5%8F%98.md) | 设计、数组、矩阵、前缀和 | 中等 | |
222 | 222 | | 0307 | [区域和检索 - 数组可修改](https://leetcode.cn/problems/range-sum-query-mutable/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0307.%20%E5%8C%BA%E5%9F%9F%E5%92%8C%E6%A3%80%E7%B4%A2%20-%20%E6%95%B0%E7%BB%84%E5%8F%AF%E4%BF%AE%E6%94%B9.md) | 设计、树状数组、线段树、数组 | 中等 | |
223 | 223 | | 0309 | [最佳买卖股票时机含冷冻期](https://leetcode.cn/problems/best-time-to-buy-and-sell-stock-with-cooldown/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0309.%20%E6%9C%80%E4%BD%B3%E4%B9%B0%E5%8D%96%E8%82%A1%E7%A5%A8%E6%97%B6%E6%9C%BA%E5%90%AB%E5%86%B7%E5%86%BB%E6%9C%9F.md) | 数组、动态规划 | 中等 | |
| 224 | +| 0310 | [最小高度树](https://leetcode.cn/problems/minimum-height-trees/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0310.%20%E6%9C%80%E5%B0%8F%E9%AB%98%E5%BA%A6%E6%A0%91.md) | 深度优先搜索、广度优先搜索、图、拓扑排序 | 中等 | |
224 | 225 | | 0312 | [戳气球](https://leetcode.cn/problems/burst-balloons/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0312.%20%E6%88%B3%E6%B0%94%E7%90%83.md) | 数组、动态规划 | 困难 | |
225 | 226 | | 0315 | [计算右侧小于当前元素的个数](https://leetcode.cn/problems/count-of-smaller-numbers-after-self/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0315.%20%E8%AE%A1%E7%AE%97%E5%8F%B3%E4%BE%A7%E5%B0%8F%E4%BA%8E%E5%BD%93%E5%89%8D%E5%85%83%E7%B4%A0%E7%9A%84%E4%B8%AA%E6%95%B0.md) | 树状数组、线段树、数组、二分查找、分治、有序集合、归并排序 | 困难 | |
226 | 227 | | 0316 | [去除重复字母](https://leetcode.cn/problems/remove-duplicate-letters/) | [Python](https://github.com/itcharge/LeetCode-Py/blob/main/Solutions/0316.%20%E5%8E%BB%E9%99%A4%E9%87%8D%E5%A4%8D%E5%AD%97%E6%AF%8D.md) | 栈、贪心、字符串、单调栈 | 中等 | |
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