第十三届蓝桥杯省赛与国赛真题题解大汇总（十四届参赛者必备）

╰半夏微凉° 2023-09-28 23:27 44阅读 0赞

## 文章前言 ##

大家好，我是执梗。本文汇总了我写的第十三届蓝桥杯所有省赛真题与国赛真题，会针对每道题打出我自己的难度评星⭐️，也会给出每道题的算法标签，帮助大家更有针对性的去学习和准备，当然许多题目由于难度或时间的原因暂未更新，如果有不懂的问题也可以在评论区提出，当然也希望大家可以不吝三连，感谢大家 ❤️

#### 目录 ####

*  文章前言
 *  C++ A 组
 *  C++ B 组
 *  C++ C 组
 *  Java A 组
 *  Java B 组
 *  Java C 组
 *  Python A 组
 *  Python B 组
 *  Python C 组

## C++ A 组 ##

<table> 
 <thead> 
  <tr> 
   <th>序号</th> 
   <th>题目名称</th> 
   <th>题解链接</th> 
   <th>算法标签</th> 
   <th>难度评星</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td>A</td> 
   <td>裁纸刀</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>B</td> 
   <td>灭鼠先锋</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>C</td> 
   <td>求和</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127973026?spm=1001.2014.3001.5502" rel="nofollow">求和</a></td> 
   <td>前缀和</td> 
   <td>⭐️</td> 
  </tr> 
  <tr> 
   <td>D</td> 
   <td>选数异或</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127915830?spm=1001.2014.3001.5502" rel="nofollow">选数异或</a></td> 
   <td>思维</td> 
   <td>⭐️ ⭐️ ⭐️</td> 
  </tr> 
  <tr> 
   <td>E</td> 
   <td>爬树的甲壳虫</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>F</td> 
   <td>青蛙过河</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/129136195" rel="nofollow">青蛙过河</a></td> 
   <td>结论、前缀和、二分、双指针</td> 
   <td>⭐️⭐️⭐️⭐️</td> 
  </tr> 
  <tr> 
   <td>G</td> 
   <td>最长不下降子序列</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>H</td> 
   <td>扫描游戏</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>I</td> 
   <td>数的拆分</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>J</td> 
   <td>推导部分和</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127684723?spm=1001.2014.3001.5502" rel="nofollow">推导部分和</a></td> 
   <td>带权并查集</td> 
   <td>⭐️⭐️⭐️⭐️</td> 
  </tr> 
 </tbody> 
</table>

## C++ B 组 ##

**省赛**

<table> 
 <thead> 
  <tr> 
   <th>序号</th> 
   <th>题目名称</th> 
   <th>题解链接</th> 
   <th>算法标签</th> 
   <th>难度评星</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td>A</td> 
   <td>九进制转十进制</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>B</td> 
   <td>顺子日期</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>C</td> 
   <td>刷题统计</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/128994082?spm=1001.2014.3001.5502" rel="nofollow">刷题统计</a></td> 
   <td>签到</td> 
   <td>⭐️</td> 
  </tr> 
  <tr> 
   <td>D</td> 
   <td>修建灌木</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>E</td> 
   <td>X进制减法</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>F</td> 
   <td>统计子矩阵</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127980024?spm=1001.2014.3001.5502" rel="nofollow">统计子矩阵</a></td> 
   <td>双指针、前缀和</td> 
   <td>⭐️ ⭐️</td> 
  </tr> 
  <tr> 
   <td>G</td> 
   <td>积木画</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/128048012?spm=1001.2014.3001.5502" rel="nofollow">积木画</a></td> 
   <td>状态压缩DP</td> 
   <td>⭐️⭐️⭐️</td> 
  </tr> 
  <tr> 
   <td>H</td> 
   <td>扫雷</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>I</td> 
   <td>李白打酒加强版</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127828847?spm=1001.2014.3001.5502" rel="nofollow">李白打酒加强版</a></td> 
   <td>状态机DP</td> 
   <td>⭐️ ⭐️⭐️</td> 
  </tr> 
  <tr> 
   <td>J</td> 
   <td>砍竹子</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/128684021?spm=1001.2014.3001.5502" rel="nofollow">砍竹子</a></td> 
   <td>思维、贪心</td> 
   <td>⭐️ ⭐️⭐️</td> 
  </tr> 
 </tbody> 
</table>

**国赛**

## C++ C 组 ##

## Java A 组 ##

<table> 
 <thead> 
  <tr> 
   <th>序号</th> 
   <th>题目名称</th> 
   <th>题解链接</th> 
   <th>算法标签</th> 
   <th>难度评星</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td>A</td> 
   <td>裁纸刀</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>B</td> 
   <td>寻找整数</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>C</td> 
   <td>求和</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127973026?spm=1001.2014.3001.5502" rel="nofollow">求和</a></td> 
   <td>前缀和</td> 
   <td>⭐️</td> 
  </tr> 
  <tr> 
   <td>D</td> 
   <td>GCD</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/128746000?spm=1001.2014.3001.5501" rel="nofollow">GCD</a></td> 
   <td>结论推导</td> 
   <td>⭐️⭐️</td> 
  </tr> 
  <tr> 
   <td>E</td> 
   <td>蜂巢</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>F</td> 
   <td>全排列的价值</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127897935?spm=1001.2014.3001.5502" rel="nofollow">全排列的价值</a></td> 
   <td>数学、思维、递推</td> 
   <td>⭐️ ⭐️ ⭐️</td> 
  </tr> 
  <tr> 
   <td>G</td> 
   <td>青蛙过河</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/129136195" rel="nofollow">青蛙过河</a></td> 
   <td>结论、前缀和、二分、双指针</td> 
   <td>⭐️⭐️⭐️⭐️</td> 
  </tr> 
  <tr> 
   <td>H</td> 
   <td>因数平方和</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127863729?spm=1001.2014.3001.5502" rel="nofollow">因数平方和</a></td> 
   <td>分块、数学、逆元、递推</td> 
   <td>⭐️⭐️⭐️⭐️</td> 
  </tr> 
  <tr> 
   <td>I</td> 
   <td>最优清零方案</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/128765156?spm=1001.2014.3001.5502" rel="nofollow">最优清零方案</a></td> 
   <td>思维、滑动窗口</td> 
   <td>⭐️⭐️⭐️</td> 
  </tr> 
  <tr> 
   <td>J</td> 
   <td>推导部分和</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127684723?spm=1001.2014.3001.5502" rel="nofollow">推导部分和</a></td> 
   <td>带权并查集</td> 
   <td>⭐️⭐️⭐️⭐️</td> 
  </tr> 
 </tbody> 
</table>

## Java B 组 ##

**省赛**

<table> 
 <thead> 
  <tr> 
   <th>序号</th> 
   <th>题目名称</th> 
   <th>题解链接</th> 
   <th>算法标签</th> 
   <th>难度评星</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td>A</td> 
   <td>星期计算</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>B</td> 
   <td>山</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>C</td> 
   <td>字符统计</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/129254700?spm=1001.2014.3001.5502" rel="nofollow">字符统计</a></td> 
   <td>签到</td> 
   <td>⭐️</td> 
  </tr> 
  <tr> 
   <td>D</td> 
   <td>最少刷题数</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/128014661?spm=1001.2014.3001.5502" rel="nofollow">最少刷题数</a></td> 
   <td>二分、前缀和</td> 
   <td>⭐️ ⭐️</td> 
  </tr> 
  <tr> 
   <td>E</td> 
   <td>求阶乘</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127649794?spm=1001.2014.3001.5502" rel="nofollow">求阶乘</a></td> 
   <td>二分、数学</td> 
   <td>⭐️ ⭐️ ⭐️</td> 
  </tr> 
  <tr> 
   <td>F</td> 
   <td>最大子矩阵</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127094498?spm=1001.2014.3001.5502" rel="nofollow">最大子矩阵</a></td> 
   <td>思维、二分、单调队列</td> 
   <td>⭐️ ⭐️ ⭐️ ⭐️</td> 
  </tr> 
  <tr> 
   <td>G</td> 
   <td>数组切分</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127206964?spm=1001.2014.3001.5502" rel="nofollow">数组切分</a></td> 
   <td>DP</td> 
   <td>⭐️ ⭐️ ⭐️</td> 
  </tr> 
  <tr> 
   <td>H</td> 
   <td>回忆迷宫</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>I</td> 
   <td>红绿灯</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>J</td> 
   <td>拉箱子</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
 </tbody> 
</table>

**国赛**

<table> 
 <thead> 
  <tr> 
   <th>序号</th> 
   <th>题目名称</th> 
   <th>题解链接</th> 
   <th>算法标签</th> 
   <th>难度评星</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td>A</td> 
   <td>重合次数</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>B</td> 
   <td>数数</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>C</td> 
   <td>左移右移</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/129174582?spm=1001.2014.3001.5501" rel="nofollow">左移右移</a></td> 
   <td>模拟，双链表</td> 
   <td>⭐️ ⭐️</td> 
  </tr> 
  <tr> 
   <td>D</td> 
   <td>窗口</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>E</td> 
   <td>迷宫</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127583609?spm=1001.2014.3001.5501" rel="nofollow">迷宫</a></td> 
   <td>BFS</td> 
   <td>⭐️ ⭐️</td> 
  </tr> 
  <tr> 
   <td>F</td> 
   <td>小球称重</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127440331?spm=1001.2014.3001.5501" rel="nofollow">小球称重</a></td> 
   <td>思维</td> 
   <td>⭐️ ⭐️ ⭐️</td> 
  </tr> 
  <tr> 
   <td>G</td> 
   <td>背包与魔法</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127102149?spm=1001.2014.3001.5501" rel="nofollow">背包与魔法</a></td> 
   <td>变种背包</td> 
   <td>⭐️ ⭐️ ⭐️</td> 
  </tr> 
  <tr> 
   <td>H</td> 
   <td>修路</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127421820?spm=1001.2014.3001.5501" rel="nofollow">修路</a></td> 
   <td>DP</td> 
   <td>⭐️ ⭐️ ⭐️⭐️</td> 
  </tr> 
  <tr> 
   <td>I</td> 
   <td>围栏</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>J</td> 
   <td>好数之和</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
 </tbody> 
</table>

## Java C 组 ##

<table> 
 <thead> 
  <tr> 
   <th>序号</th> 
   <th>题目名称</th> 
   <th>题解链接</th> 
   <th>算法标签</th> 
   <th>难度评星</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td>A</td> 
   <td>排列字母</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>B</td> 
   <td>特殊时间</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>C</td> 
   <td>纸张尺寸</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/129009945" rel="nofollow">纸张尺寸</a></td> 
   <td>签到</td> 
   <td>⭐️</td> 
  </tr> 
  <tr> 
   <td>D</td> 
   <td>求和</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127973026?spm=1001.2014.3001.5502" rel="nofollow">求和</a></td> 
   <td>前缀和</td> 
   <td>⭐️</td> 
  </tr> 
  <tr> 
   <td>E</td> 
   <td>选数异或</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127915830?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522167797930416800186598472%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&amp;request_id=167797930416800186598472&amp;biz_id=0&amp;utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_ecpm_v1~rank_v31_ecpm-1-127915830-null-null.blog_rank_default&amp;utm_term=%E9%80%89%E6%95%B0%E5%BC%82%E6%88%96&amp;spm=1018.2226.3001.4450" rel="nofollow">选数异或</a></td> 
   <td>思维</td> 
   <td>⭐️ ⭐️ ⭐️</td> 
  </tr> 
  <tr> 
   <td>F</td> 
   <td>矩形拼接</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>G</td> 
   <td>GCD</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/128746000?spm=1001.2014.3001.5501" rel="nofollow">GCD</a></td> 
   <td>结论推导</td> 
   <td>⭐️⭐️</td> 
  </tr> 
  <tr> 
   <td>H</td> 
   <td>青蛙过河</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/129136195" rel="nofollow">青蛙过河</a></td> 
   <td>结论、前缀和、二分、双指针</td> 
   <td>⭐️⭐️⭐️⭐️</td> 
  </tr> 
  <tr> 
   <td>I</td> 
   <td>因数平方和</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127863729?spm=1001.2014.3001.5502" rel="nofollow">因数平方和</a></td> 
   <td>分块、数学、逆元、递推</td> 
   <td>⭐️⭐️⭐️⭐️</td> 
  </tr> 
  <tr> 
   <td>J</td> 
   <td>最长不下降子序列</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
 </tbody> 
</table>

## Python A 组 ##

<table> 
 <thead> 
  <tr> 
   <th>序号</th> 
   <th>题目名称</th> 
   <th>题解链接</th> 
   <th>算法标签</th> 
   <th>难度评星</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td>A</td> 
   <td>裁纸刀</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>B</td> 
   <td>寻找整数</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>C</td> 
   <td>质因数个数</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>D</td> 
   <td>矩形拼接</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>E</td> 
   <td>消除游戏</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>F</td> 
   <td>重新排序</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127773496?spm=1001.2014.3001.5502" rel="nofollow">重新排序</a></td> 
   <td>贪心、差分</td> 
   <td>⭐️ ⭐️</td> 
  </tr> 
  <tr> 
   <td>G</td> 
   <td>全排列的价值</td> 
   <td><a href="http://t.csdn.cn/c04es" rel="nofollow">全排列的价值</a></td> 
   <td>数学、思维、递推</td> 
   <td>⭐️ ⭐️ ⭐️</td> 
  </tr> 
  <tr> 
   <td>H</td> 
   <td>最长不下降子序列</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>I</td> 
   <td>最优清零方案</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/128765156?spm=1001.2014.3001.5502" rel="nofollow">最优清零方案</a></td> 
   <td>思维、滑动窗口</td> 
   <td>⭐️⭐️⭐️</td> 
  </tr> 
  <tr> 
   <td>J</td> 
   <td>数的拆分</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
 </tbody> 
</table>

## Python B 组 ##

<table> 
 <thead> 
  <tr> 
   <th>序号</th> 
   <th>题目名称</th> 
   <th>题解链接</th> 
   <th>算法标签</th> 
   <th>难度评星</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td>A</td> 
   <td>排列字母</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>B</td> 
   <td>寻找整数</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>C</td> 
   <td>纸张尺寸</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/129009945" rel="nofollow">纸张尺寸</a></td> 
   <td>签到</td> 
   <td>⭐️</td> 
  </tr> 
  <tr> 
   <td>D</td> 
   <td>数位排序</td> 
   <td><a href="http://t.csdn.cn/hWNdh" rel="nofollow">数位排序</a></td> 
   <td>语法题</td> 
   <td>⭐️⭐️</td> 
  </tr> 
  <tr> 
   <td>E</td> 
   <td>蜂巢</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>F</td> 
   <td>消除游戏</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>G</td> 
   <td>全排列的价值</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127897935?spm=1001.2014.3001.5502" rel="nofollow">全排列的价值</a></td> 
   <td>数学、思维、递推</td> 
   <td>⭐️ ⭐️ ⭐️</td> 
  </tr> 
  <tr> 
   <td>H</td> 
   <td>技能升级</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/129195759?spm=1001.2014.3001.5501" rel="nofollow">技能升级</a></td> 
   <td>二分、贪心、数学</td> 
   <td>⭐️ ⭐️ ⭐️⭐️</td> 
  </tr> 
  <tr> 
   <td>I</td> 
   <td>最长不下降子序列</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>J</td> 
   <td>最优清零方案</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/128765156?spm=1001.2014.3001.5502" rel="nofollow">最优清零方案</a></td> 
   <td>思维、滑动窗口</td> 
   <td>⭐️⭐️⭐️</td> 
  </tr> 
 </tbody> 
</table>

## Python C 组 ##

<table> 
 <thead> 
  <tr> 
   <th>序号</th> 
   <th>题目名称</th> 
   <th>题解链接</th> 
   <th>算法标签</th> 
   <th>难度评星</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td>A</td> 
   <td>排列字母</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>B</td> 
   <td>寻找整数</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>C</td> 
   <td>纸张尺寸</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/129009945" rel="nofollow">纸张尺寸</a></td> 
   <td>签到</td> 
   <td>⭐️</td> 
  </tr> 
  <tr> 
   <td>D</td> 
   <td>数位排序</td> 
   <td><a href="http://t.csdn.cn/hWNdh" rel="nofollow">数位排序</a></td> 
   <td>语法题</td> 
   <td>⭐️⭐️</td> 
  </tr> 
  <tr> 
   <td>E</td> 
   <td>矩形拼接</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>F</td> 
   <td>GCD</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/128746000?spm=1001.2014.3001.5501" rel="nofollow">GCD</a></td> 
   <td>结论推导</td> 
   <td>⭐️⭐️</td> 
  </tr> 
  <tr> 
   <td>G</td> 
   <td>蜂巢</td> 
   <td>暂未更新</td> 
   <td></td> 
   <td></td> 
  </tr> 
  <tr> 
   <td>H</td> 
   <td>重新排序</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127773496?spm=1001.2014.3001.5502" rel="nofollow">重新排序</a></td> 
   <td>贪心、差分</td> 
   <td>⭐️ ⭐️</td> 
  </tr> 
  <tr> 
   <td>I</td> 
   <td>青蛙过河</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/129136195" rel="nofollow">青蛙过河</a></td> 
   <td>结论、前缀和、二分、双指针</td> 
   <td>⭐️⭐️⭐️⭐️</td> 
  </tr> 
  <tr> 
   <td>J</td> 
   <td>因数平方和</td> 
   <td><a href="https://blog.csdn.net/m0_57487901/article/details/127863729?spm=1001.2014.3001.5502" rel="nofollow">因数平方和</a></td> 
   <td>分块、数学、逆元、递推</td> 
   <td>⭐️⭐️⭐️⭐️</td> 
  </tr> 
 </tbody> 
</table>