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1 | 1 | # LeetCode-Java |
2 | 2 | ## 说明 |
3 | | -- leetcode练习，坚持每天一道，目前已完成214道 |
| 3 | +- leetcode练习，坚持每天一道，目前已完成215道 |
4 | 4 | - 解题语言是Java |
5 | 5 | - 每道题都是可编译运行的 |
6 | 6 | - 每道题有自己的方法和他人优秀解法 |
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18 | 18 |
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19 | 19 | - [x] [617. 合并二叉树 -Easy](https://github.com/pphdsny/Leetcode-Java/blob/master/src/pp/arithmetic/leetcode/_617_mergeTrees.java) |
20 | 20 |
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21 | | -- [ ] [621. 任务调度器 -Medium](https://leetcode-cn.com/problems/task-scheduler/) |
| 21 | +- [x] [621. 任务调度器 -Medium](https://github.com/pphdsny/Leetcode-Java/blob/master/src/pp/arithmetic/leetcode/_621_leastInterval.java) |
22 | 22 |
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23 | 23 | - [ ] [647. 回文子串 -Medium](https://leetcode-cn.com/problems/palindromic-substrings/) |
24 | 24 |
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57 | 57 | - [线段树](https://leetcode-cn.com/tag/segment-tree/)（9） |
58 | 58 | - [二叉搜索树](https://leetcode-cn.com/tag/binary-search-tree/)（15） |
59 | 59 |
|
60 | | -### 题目列表（更新中—已完成214） |
| 60 | +### 题目列表（更新中—已完成215） |
61 | 61 |
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62 | | -[Leetcode-Java(200+题解，持续更新、欢迎star)](https://github.com/pphdsny/Leetcode-Java/blob/master/src/pp/arithmetic/leetcode/_617_mergeTrees.java) |
| 62 | +[Leetcode-Java(200+题解，持续更新、欢迎star)](https://github.com/pphdsny/Leetcode-Java/blob/master/src/pp/arithmetic/leetcode/_621_leastInterval.java) |
63 | 63 |
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64 | 64 | | No | 题目 | 解决方案 | 相关话题 | 难度 | remark | |
65 | 65 | | ----- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------------------------------------------------------ | ------ | ------------------------------------------------------------ | |
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257 | 257 | | #567 | [字符串的排列](https://leetcode-cn.com/problems/permutation-in-string/) | [CheckInclusion](https://github.com/pphdsny/Leetcode-Java/blob/master/src/pp/arithmetic/leetcode/_567_checkInclusion.java) | [双指针](<https://leetcode-cn.com/tag/two-pointers/>) | Medium | | |
258 | 258 | | #581 | [最短无序连续子数组](https://leetcode-cn.com/problems/shortest-unsorted-continuous-subarray/) | [FindUnsortedSubarray](https://github.com/pphdsny/Leetcode-Java/blob/master/src/pp/arithmetic/leetcode/_581_findUnsortedSubarray.java) | [数组](<https://leetcode-cn.com/tag/array/>) | Easy | | |
259 | 259 | | #617 | [合并二叉树](https://leetcode-cn.com/problems/merge-two-binary-trees/) | [MergeTrees](https://github.com/pphdsny/Leetcode-Java/blob/master/src/pp/arithmetic/leetcode/_617_mergeTrees.java) | [树](https://leetcode-cn.com/tag/tree/) | Easy | | |
| 260 | +| #621 | [任务调度器](https://leetcode-cn.com/problems/task-scheduler/) | [LeastInterval](https://github.com/pphdsny/Leetcode-Java/blob/master/src/pp/arithmetic/leetcode/_621_leastInterval.java) | [贪心算法](https://leetcode-cn.com/tag/greedy/)、[队列](<https://leetcode-cn.com/tag/queue/>)、[数组](<https://leetcode-cn.com/tag/array/>) | Medium | | |
260 | 261 | | #639 | [解码方法 2](https://leetcode-cn.com/problems/decode-ways-ii/) | [NumDecodings](https://github.com/pphdsny/Leetcode-Java/blob/master/src/pp/arithmetic/leetcode/_639_numDecodings.java) | [动态规划](<https://leetcode-cn.com/tag/dynamic-programming/>) | Hard | | |
261 | 262 | | #653 | [两数之和 IV - 输入 BST](https://leetcode-cn.com/problems/two-sum-iv-input-is-a-bst/) | [FindTarget](https://github.com/pphdsny/Leetcode-Java/blob/master/src/pp/arithmetic/leetcode/_653_findTarget.java) | [树](https://leetcode-cn.com/tag/tree/) | Easy | | |
262 | 263 | | #674 | [最长连续递增序列](https://leetcode-cn.com/problems/longest-continuous-increasing-subsequence/) | [FindLengthOfLCIS](https://github.com/pphdsny/Leetcode-Java/blob/master/src/pp/arithmetic/leetcode/_674_findLengthOfLCIS_e.java) | [数组](<https://leetcode-cn.com/tag/array/>) | Easy | | |
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