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lines changed Original file line number Diff line number Diff line change @@ -3126,27 +3126,29 @@ union 函数:合并两个顶点,并将他们的根结点保持一致。如
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31273127#### [ 54. 螺旋矩阵] ( https://leetcode-cn.com/problems/spiral-matrix/ ) 自己再想一遍 这个
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3129+ #### [ 55. 跳跃游戏] ( https://leetcode-cn.com/problems/jump-game/ ) 自己 用了动归的方法 接下来尝试 贪心算法 ==看看贪心算法==
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3131+ #### [ 56. 合并区间] ( https://leetcode-cn.com/problems/merge-intervals/ ) 有优化的空间
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3133+ #### [ 62. 不同路径] ( https://leetcode-cn.com/problems/unique-paths/ ) 秒杀 动态规划
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3135+ #### [ 66. 加一] ( https://leetcode-cn.com/problems/plus-one/ ) 没问题
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3137+ #### [ 69. x 的平方根 ] ( https://leetcode-cn.com/problems/sqrtx/ ) 千万要注意 越界的问题 看到2的32次方-1 就得注意
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3139+ #### [ 70. 爬楼梯] ( https://leetcode-cn.com/problems/climbing-stairs/ ) 秒杀
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3141+ #### [ 73. 矩阵置零] ( https://leetcode-cn.com/problems/set-matrix-zeroes/ ) 没问题呢 丢了卡咋样啊 兄弟 又没事 学就完了!
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3143+ #### [ 75. 颜色分类] ( https://leetcode-cn.com/problems/sort-colors/ ) X ==有问题==,单纯用排序是能解决 但是题目要求的是一次
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3145+ #### [ 76. 最小覆盖子串] ( https://leetcode-cn.com/problems/minimum-window-substring/ ) X 思想太老旧了 写了很长一段代码还是错误 ==看==
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3147+ #### [ 78. 子集] ( https://leetcode-cn.com/problems/subsets/ ) 没问题
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3149+ #### [ 79. 单词搜索] ( https://leetcode-cn.com/problems/word-search/ )
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3151+ #### [ 84. 柱状图中最大的矩形] ( https://leetcode-cn.com/problems/largest-rectangle-in-histogram/ )
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