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programmercarl
2023-03-10 14:02:32 +08:00
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commit 17cb4b45c7
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problems/周总结/20210114动规周末总结.md
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@@ -30,7 +30,7 @@ for (int i = 1; i < m; i++) {
}
```
![62.不同路径1](https://img-blog.csdnimg.cn/20201209113631392.png)
![62.不同路径1](https://code-thinking-1253855093.file.myqcloud.com/pics/20201209113631392-20230310133703294.png)
## 周二
@@ -44,7 +44,7 @@ dp[i][j]定义依然是：表示从（0 ，0）出发，到(i, j) 有dp[i][j]条
如图：
![63.不同路径II](https://img-blog.csdnimg.cn/20210104114513928.png)
![63.不同路径II](https://code-thinking-1253855093.file.myqcloud.com/pics/20210104114513928-20230310133707783.png)
这里难住了不少同学，代码如下：
@@ -69,11 +69,11 @@ for (int i = 1; i < m; i++) {
拿示例1来举例如题：
![63.不同路径II1](https://img-blog.csdnimg.cn/20210104114548983.png)
![63.不同路径II1](https://code-thinking-1253855093.file.myqcloud.com/pics/20210104114548983-20230310133711888.png)
对应的dp table 如图：
![63.不同路径II2](https://img-blog.csdnimg.cn/20210104114610256.png)
![63.不同路径II2](https://code-thinking-1253855093.file.myqcloud.com/pics/20210104114610256-20230310133715981.png)
## 周三
@@ -107,9 +107,10 @@ for (int i = 3; i <= n ; i++) {
}
}
```
举例当n为10 的时候，dp数组里的数值，如下：
![343.整数拆分](https://img-blog.csdnimg.cn/20210104173021581.png)
![343.整数拆分](https://code-thinking-1253855093.file.myqcloud.com/pics/20210104173021581-20230310133720552.png)
@@ -141,7 +142,7 @@ dp数组如何初始化：只需要初始化dp[0]就可以了，推导的基础
n为5时候的dp数组状态如图：
![96.不同的二叉搜索树3](https://img-blog.csdnimg.cn/20210107093253987.png)
![96.不同的二叉搜索树3](https://code-thinking-1253855093.file.myqcloud.com/pics/20210107093253987-20230310133724531.png)
## 总结