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Title: GitHub - learn22coding/NOIP: 全国青少年信息学奥林匹克竞赛（分区联赛）辅导材料和题解

Open Graph Title: GitHub - learn22coding/NOIP: 全国青少年信息学奥林匹克竞赛（分区联赛）辅导材料和题解

X Title: GitHub - learn22coding/NOIP: 全国青少年信息学奥林匹克竞赛（分区联赛）辅导材料和题解

Description: 全国青少年信息学奥林匹克竞赛（分区联赛）辅导材料和题解. Contribute to learn22coding/NOIP development by creating an account on GitHub.

Open Graph Description: 全国青少年信息学奥林匹克竞赛（分区联赛）辅导材料和题解. Contribute to learn22coding/NOIP development by creating an account on GitHub.

X Description: 全国青少年信息学奥林匹克竞赛（分区联赛）辅导材料和题解. Contribute to learn22coding/NOIP development by creating an account on GitHub.

Opengraph URL: https://github.com/learn22coding/NOIP

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[CSP-S2019]	https://github.com/learn22coding/NOIP/tree/master/%5BCSP-S2019%5D
[CSP-S2019]	https://github.com/learn22coding/NOIP/tree/master/%5BCSP-S2019%5D
[CSP-S2020]	https://github.com/learn22coding/NOIP/tree/master/%5BCSP-S2020%5D
[CSP-S2020]	https://github.com/learn22coding/NOIP/tree/master/%5BCSP-S2020%5D
[c++基础]一维数组的统计查找和排序	https://github.com/learn22coding/NOIP/tree/master/%5Bc%2B%2B%E5%9F%BA%E7%A1%80%5D%E4%B8%80%E7%BB%B4%E6%95%B0%E7%BB%84%E7%9A%84%E7%BB%9F%E8%AE%A1%E6%9F%A5%E6%89%BE%E5%92%8C%E6%8E%92%E5%BA%8F
[c++基础]一维数组的统计查找和排序	https://github.com/learn22coding/NOIP/tree/master/%5Bc%2B%2B%E5%9F%BA%E7%A1%80%5D%E4%B8%80%E7%BB%B4%E6%95%B0%E7%BB%84%E7%9A%84%E7%BB%9F%E8%AE%A1%E6%9F%A5%E6%89%BE%E5%92%8C%E6%8E%92%E5%BA%8F
[c++基础]二维数组的定义操作和数字方阵	https://github.com/learn22coding/NOIP/tree/master/%5Bc%2B%2B%E5%9F%BA%E7%A1%80%5D%E4%BA%8C%E7%BB%B4%E6%95%B0%E7%BB%84%E7%9A%84%E5%AE%9A%E4%B9%89%E6%93%8D%E4%BD%9C%E5%92%8C%E6%95%B0%E5%AD%97%E6%96%B9%E9%98%B5
[c++基础]二维数组的定义操作和数字方阵	https://github.com/learn22coding/NOIP/tree/master/%5Bc%2B%2B%E5%9F%BA%E7%A1%80%5D%E4%BA%8C%E7%BB%B4%E6%95%B0%E7%BB%84%E7%9A%84%E5%AE%9A%E4%B9%89%E6%93%8D%E4%BD%9C%E5%92%8C%E6%95%B0%E5%AD%97%E6%96%B9%E9%98%B5
[c++基础]函数的递归调用和应用举例	https://github.com/learn22coding/NOIP/tree/master/%5Bc%2B%2B%E5%9F%BA%E7%A1%80%5D%E5%87%BD%E6%95%B0%E7%9A%84%E9%80%92%E5%BD%92%E8%B0%83%E7%94%A8%E5%92%8C%E5%BA%94%E7%94%A8%E4%B8%BE%E4%BE%8B
[c++基础]函数的递归调用和应用举例	https://github.com/learn22coding/NOIP/tree/master/%5Bc%2B%2B%E5%9F%BA%E7%A1%80%5D%E5%87%BD%E6%95%B0%E7%9A%84%E9%80%92%E5%BD%92%E8%B0%83%E7%94%A8%E5%92%8C%E5%BA%94%E7%94%A8%E4%B8%BE%E4%BE%8B
[c++基础]指针与链表	https://github.com/learn22coding/NOIP/tree/master/%5Bc%2B%2B%E5%9F%BA%E7%A1%80%5D%E6%8C%87%E9%92%88%E4%B8%8E%E9%93%BE%E8%A1%A8
[c++基础]指针与链表	https://github.com/learn22coding/NOIP/tree/master/%5Bc%2B%2B%E5%9F%BA%E7%A1%80%5D%E6%8C%87%E9%92%88%E4%B8%8E%E9%93%BE%E8%A1%A8
[c++基础]结构体的定义和应用	https://github.com/learn22coding/NOIP/tree/master/%5Bc%2B%2B%E5%9F%BA%E7%A1%80%5D%E7%BB%93%E6%9E%84%E4%BD%93%E7%9A%84%E5%AE%9A%E4%B9%89%E5%92%8C%E5%BA%94%E7%94%A8
[c++基础]结构体的定义和应用	https://github.com/learn22coding/NOIP/tree/master/%5Bc%2B%2B%E5%9F%BA%E7%A1%80%5D%E7%BB%93%E6%9E%84%E4%BD%93%E7%9A%84%E5%AE%9A%E4%B9%89%E5%92%8C%E5%BA%94%E7%94%A8
[csp-jx2019]	https://github.com/learn22coding/NOIP/tree/master/%5Bcsp-jx2019%5D
[csp-jx2019]	https://github.com/learn22coding/NOIP/tree/master/%5Bcsp-jx2019%5D
[基本数据结构]并查集及其应用	https://github.com/learn22coding/NOIP/tree/master/%5B%E5%9F%BA%E6%9C%AC%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%5D%E5%B9%B6%E6%9F%A5%E9%9B%86%E5%8F%8A%E5%85%B6%E5%BA%94%E7%94%A8
[基本数据结构]并查集及其应用	https://github.com/learn22coding/NOIP/tree/master/%5B%E5%9F%BA%E6%9C%AC%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%5D%E5%B9%B6%E6%9F%A5%E9%9B%86%E5%8F%8A%E5%85%B6%E5%BA%94%E7%94%A8
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[基本数据结构]栈及栈的应用	https://github.com/learn22coding/NOIP/tree/master/%5B%E5%9F%BA%E6%9C%AC%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%5D%E6%A0%88%E5%8F%8A%E6%A0%88%E7%9A%84%E5%BA%94%E7%94%A8
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[基本算法]回溯法	https://github.com/learn22coding/NOIP/tree/master/%5B%E5%9F%BA%E6%9C%AC%E7%AE%97%E6%B3%95%5D%E5%9B%9E%E6%BA%AF%E6%B3%95
[基本算法]回溯法	https://github.com/learn22coding/NOIP/tree/master/%5B%E5%9F%BA%E6%9C%AC%E7%AE%97%E6%B3%95%5D%E5%9B%9E%E6%BA%AF%E6%B3%95
[基本算法]宽度优先搜索	https://github.com/learn22coding/NOIP/tree/master/%5B%E5%9F%BA%E6%9C%AC%E7%AE%97%E6%B3%95%5D%E5%AE%BD%E5%BA%A6%E4%BC%98%E5%85%88%E6%90%9C%E7%B4%A2
[基本算法]宽度优先搜索	https://github.com/learn22coding/NOIP/tree/master/%5B%E5%9F%BA%E6%9C%AC%E7%AE%97%E6%B3%95%5D%E5%AE%BD%E5%BA%A6%E4%BC%98%E5%85%88%E6%90%9C%E7%B4%A2
[基本算法]深度优先搜索	https://github.com/learn22coding/NOIP/tree/master/%5B%E5%9F%BA%E6%9C%AC%E7%AE%97%E6%B3%95%5D%E6%B7%B1%E5%BA%A6%E4%BC%98%E5%85%88%E6%90%9C%E7%B4%A2
[基本算法]深度优先搜索	https://github.com/learn22coding/NOIP/tree/master/%5B%E5%9F%BA%E6%9C%AC%E7%AE%97%E6%B3%95%5D%E6%B7%B1%E5%BA%A6%E4%BC%98%E5%85%88%E6%90%9C%E7%B4%A2
[基本算法]穷举	https://github.com/learn22coding/NOIP/tree/master/%5B%E5%9F%BA%E6%9C%AC%E7%AE%97%E6%B3%95%5D%E7%A9%B7%E4%B8%BE
[基本算法]穷举	https://github.com/learn22coding/NOIP/tree/master/%5B%E5%9F%BA%E6%9C%AC%E7%AE%97%E6%B3%95%5D%E7%A9%B7%E4%B8%BE
[基本算法]贪心	https://github.com/learn22coding/NOIP/tree/master/%5B%E5%9F%BA%E6%9C%AC%E7%AE%97%E6%B3%95%5D%E8%B4%AA%E5%BF%83
[基本算法]贪心	https://github.com/learn22coding/NOIP/tree/master/%5B%E5%9F%BA%E6%9C%AC%E7%AE%97%E6%B3%95%5D%E8%B4%AA%E5%BF%83
[基本算法]递推	https://github.com/learn22coding/NOIP/tree/master/%5B%E5%9F%BA%E6%9C%AC%E7%AE%97%E6%B3%95%5D%E9%80%92%E6%8E%A8
[基本算法]递推	https://github.com/learn22coding/NOIP/tree/master/%5B%E5%9F%BA%E6%9C%AC%E7%AE%97%E6%B3%95%5D%E9%80%92%E6%8E%A8
[基本算法]阶段测试一	https://github.com/learn22coding/NOIP/tree/master/%5B%E5%9F%BA%E6%9C%AC%E7%AE%97%E6%B3%95%5D%E9%98%B6%E6%AE%B5%E6%B5%8B%E8%AF%95%E4%B8%80
[基本算法]阶段测试一	https://github.com/learn22coding/NOIP/tree/master/%5B%E5%9F%BA%E6%9C%AC%E7%AE%97%E6%B3%95%5D%E9%98%B6%E6%AE%B5%E6%B5%8B%E8%AF%95%E4%B8%80
[提高训练]动态规划之区间DP	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%8F%90%E9%AB%98%E8%AE%AD%E7%BB%83%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E5%8C%BA%E9%97%B4DP
[提高训练]动态规划之区间DP	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%8F%90%E9%AB%98%E8%AE%AD%E7%BB%83%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E5%8C%BA%E9%97%B4DP
[提高训练]动态规划之单调队列优化	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%8F%90%E9%AB%98%E8%AE%AD%E7%BB%83%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E5%8D%95%E8%B0%83%E9%98%9F%E5%88%97%E4%BC%98%E5%8C%96
[提高训练]动态规划之单调队列优化	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%8F%90%E9%AB%98%E8%AE%AD%E7%BB%83%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E5%8D%95%E8%B0%83%E9%98%9F%E5%88%97%E4%BC%98%E5%8C%96
[提高训练]动态规划之数位DP	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%8F%90%E9%AB%98%E8%AE%AD%E7%BB%83%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E6%95%B0%E4%BD%8DDP
[提高训练]动态规划之数位DP	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%8F%90%E9%AB%98%E8%AE%AD%E7%BB%83%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E6%95%B0%E4%BD%8DDP
[提高训练]动态规划之树型DP	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%8F%90%E9%AB%98%E8%AE%AD%E7%BB%83%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E6%A0%91%E5%9E%8BDP
[提高训练]动态规划之树型DP	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%8F%90%E9%AB%98%E8%AE%AD%E7%BB%83%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E6%A0%91%E5%9E%8BDP
[提高训练]动态规划之状压DP	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%8F%90%E9%AB%98%E8%AE%AD%E7%BB%83%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E7%8A%B6%E5%8E%8BDP
[提高训练]动态规划之状压DP	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%8F%90%E9%AB%98%E8%AE%AD%E7%BB%83%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E7%8A%B6%E5%8E%8BDP
[提高训练]图论之最短路径	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%8F%90%E9%AB%98%E8%AE%AD%E7%BB%83%5D%E5%9B%BE%E8%AE%BA%E4%B9%8B%E6%9C%80%E7%9F%AD%E8%B7%AF%E5%BE%84
[提高训练]图论之最短路径	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%8F%90%E9%AB%98%E8%AE%AD%E7%BB%83%5D%E5%9B%BE%E8%AE%BA%E4%B9%8B%E6%9C%80%E7%9F%AD%E8%B7%AF%E5%BE%84
[提高训练]图论之生成树	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%8F%90%E9%AB%98%E8%AE%AD%E7%BB%83%5D%E5%9B%BE%E8%AE%BA%E4%B9%8B%E7%94%9F%E6%88%90%E6%A0%91
[提高训练]图论之生成树	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%8F%90%E9%AB%98%E8%AE%AD%E7%BB%83%5D%E5%9B%BE%E8%AE%BA%E4%B9%8B%E7%94%9F%E6%88%90%E6%A0%91
[洛谷2020十一月月赛]	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B72020%E5%8D%81%E4%B8%80%E6%9C%88%E6%9C%88%E8%B5%9B%5D
[洛谷2020十一月月赛]	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B72020%E5%8D%81%E4%B8%80%E6%9C%88%E6%9C%88%E8%B5%9B%5D
[洛谷2020十月月赛]	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B72020%E5%8D%81%E6%9C%88%E6%9C%88%E8%B5%9B%5D
[洛谷2020十月月赛]	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B72020%E5%8D%81%E6%9C%88%E6%9C%88%E8%B5%9B%5D
[洛谷提高历练地]/[搜索]	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E6%8F%90%E9%AB%98%E5%8E%86%E7%BB%83%E5%9C%B0%5D/%5B%E6%90%9C%E7%B4%A2%5D
[洛谷提高历练地]/[搜索]	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E6%8F%90%E9%AB%98%E5%8E%86%E7%BB%83%E5%9C%B0%5D/%5B%E6%90%9C%E7%B4%A2%5D
[洛谷题单]二叉堆与ST表	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E4%BA%8C%E5%8F%89%E5%A0%86%E4%B8%8EST%E8%A1%A8
[洛谷题单]二叉堆与ST表	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E4%BA%8C%E5%8F%89%E5%A0%86%E4%B8%8EST%E8%A1%A8
[洛谷题单]动态规划之动态规划的引入	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E7%9A%84%E5%BC%95%E5%85%A5
[洛谷题单]动态规划之动态规划的引入	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E7%9A%84%E5%BC%95%E5%85%A5
[洛谷题单]动态规划之区间与环形动态规划	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E5%8C%BA%E9%97%B4%E4%B8%8E%E7%8E%AF%E5%BD%A2%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92
[洛谷题单]动态规划之区间与环形动态规划	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E5%8C%BA%E9%97%B4%E4%B8%8E%E7%8E%AF%E5%BD%A2%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92
[洛谷题单]动态规划之树与图上的动态规划	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E6%A0%91%E4%B8%8E%E5%9B%BE%E4%B8%8A%E7%9A%84%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92
[洛谷题单]动态规划之树与图上的动态规划	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E6%A0%91%E4%B8%8E%E5%9B%BE%E4%B8%8A%E7%9A%84%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92
[洛谷题单]动态规划之状态压缩动态规划	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E7%8A%B6%E6%80%81%E5%8E%8B%E7%BC%A9%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92
[洛谷题单]动态规划之状态压缩动态规划	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E7%8A%B6%E6%80%81%E5%8E%8B%E7%BC%A9%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92
[洛谷题单]动态规划之线性状态动态规划	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E7%BA%BF%E6%80%A7%E7%8A%B6%E6%80%81%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92
[洛谷题单]动态规划之线性状态动态规划	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E4%B9%8B%E7%BA%BF%E6%80%A7%E7%8A%B6%E6%80%81%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92
[洛谷题单]图论之基础树上问题	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E5%9B%BE%E8%AE%BA%E4%B9%8B%E5%9F%BA%E7%A1%80%E6%A0%91%E4%B8%8A%E9%97%AE%E9%A2%98
[洛谷题单]图论之基础树上问题	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E5%9B%BE%E8%AE%BA%E4%B9%8B%E5%9F%BA%E7%A1%80%E6%A0%91%E4%B8%8A%E9%97%AE%E9%A2%98
[洛谷题单]图论之最小生成树	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E5%9B%BE%E8%AE%BA%E4%B9%8B%E6%9C%80%E5%B0%8F%E7%94%9F%E6%88%90%E6%A0%91
[洛谷题单]图论之最小生成树	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E5%9B%BE%E8%AE%BA%E4%B9%8B%E6%9C%80%E5%B0%8F%E7%94%9F%E6%88%90%E6%A0%91
[洛谷题单]图论之最短路径	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E5%9B%BE%E8%AE%BA%E4%B9%8B%E6%9C%80%E7%9F%AD%E8%B7%AF%E5%BE%84
[洛谷题单]图论之最短路径	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E5%9B%BE%E8%AE%BA%E4%B9%8B%E6%9C%80%E7%9F%AD%E8%B7%AF%E5%BE%84
[洛谷题单]图论之连通性问题	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E5%9B%BE%E8%AE%BA%E4%B9%8B%E8%BF%9E%E9%80%9A%E6%80%A7%E9%97%AE%E9%A2%98
[洛谷题单]图论之连通性问题	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E5%9B%BE%E8%AE%BA%E4%B9%8B%E8%BF%9E%E9%80%9A%E6%80%A7%E9%97%AE%E9%A2%98
[洛谷题单]搜索剪枝策略	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E6%90%9C%E7%B4%A2%E5%89%AA%E6%9E%9D%E7%AD%96%E7%95%A5
[洛谷题单]搜索剪枝策略	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E6%90%9C%E7%B4%A2%E5%89%AA%E6%9E%9D%E7%AD%96%E7%95%A5
[洛谷题单]线段树与树状数组	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E7%BA%BF%E6%AE%B5%E6%A0%91%E4%B8%8E%E6%A0%91%E7%8A%B6%E6%95%B0%E7%BB%84
[洛谷题单]线段树与树状数组	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%8D%95%5D%E7%BA%BF%E6%AE%B5%E6%A0%91%E4%B8%8E%E6%A0%91%E7%8A%B6%E6%95%B0%E7%BB%84
[洛谷题库]	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%BA%93%5D
[洛谷题库]	https://github.com/learn22coding/NOIP/tree/master/%5B%E6%B4%9B%E8%B0%B7%E9%A2%98%E5%BA%93%5D
old	https://github.com/learn22coding/NOIP/tree/master/old
old	https://github.com/learn22coding/NOIP/tree/master/old
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Please reload this page	https://github.com/learn22coding/NOIP
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Releases	https://github.com/learn22coding/NOIP/releases
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