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feat: 为500-1449的题目添加了前置知识标签 (azl397985856#389)
Co-authored-by: lucifer <[email protected]>
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@@ -72,6 +72,10 @@ TreeNode.val == -1 | |
``` | ||
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## 前置知识 | ||
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- 二进制 | ||
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## 暴力法 | ||
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### 思路 | ||
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@@ -64,6 +64,11 @@ edges[i].length == 3 | |
``` | ||
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## 前置知识 | ||
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- 动态规划 | ||
- Floyd-Warshall | ||
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## 思路 | ||
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这道题的本质就是: | ||
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@@ -33,6 +33,11 @@ s 只包含小写英文字母。 | |
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## 前置知识 | ||
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- 前缀和 | ||
- 状态压缩 | ||
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## 暴力法 + 剪枝 | ||
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### 思路 | ||
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@@ -55,6 +55,12 @@ cost.length == 9 | |
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## 前置知识 | ||
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- 数组 | ||
- 动态规划 | ||
-背包问题 | ||
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## 思路 | ||
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由于数组可以重复选择,因此这是一个完全背包问题。 | ||
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@@ -30,6 +30,9 @@ https://leetcode-cn.com/problems/walking-robot-simulation/submissions/ | |
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## 前置知识 | ||
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- 前缀树 | ||
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## 思路 | ||
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@@ -36,6 +36,10 @@ sum(piles) is odd. | |
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## 前置知识 | ||
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- 动态规划 | ||
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## 思路 | ||
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由于 piles 是偶数的,并且 piles 的总和是奇数的。 | ||
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@@ -46,6 +46,10 @@ Note: | |
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## 前置知识 | ||
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- 动态规划 | ||
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## 思路 | ||
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这是一道典型的动态规划题目,但是又和一般的动态规划不一样。 | ||
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@@ -46,6 +46,11 @@ pop() -> 返回 4 。 | |
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## 前置知识 | ||
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- 栈 | ||
- 哈希表 | ||
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## 思路 | ||
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我们以题目给的例子来讲解。 | ||
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@@ -43,6 +43,8 @@ Each call to RLEIterator.next(int n) will have 1 <= n <= 10^9. | |
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## 前置知识 | ||
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## 思路 | ||
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这是一个游程编码的典型题目。 | ||
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