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        <title>2020-2021:teams:mian:weekly_report:2020_spring_semester_week_11_report</title>
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        <description>2020 Spring Semester Week 11 Report

团队训练

May 4: 2016-2017 ACM-ICPC, South Pacific Regional Contest (SPPC 16), task: 9/10/11, rank: 21/236

本周推荐

Pantw

CF1344B （比较简单的一个结论题，但是没有那么好想）

Withinlover

CF1344C （结论题，比较考数学基本功）

Gary

CF1348E （DP）</description>
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        <title>2020-2021:teams:mian:weekly_report:2020_spring_semester_week_12_report</title>
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        <description>2020 Spring Semester Week 12 Report

团队训练

May 10: 2016-2017 ACM-ICPC, NEERC, Central Subregional Contest task: 10/11/11, rank: 38/441

本周推荐

Pantw

无

Withinlover

[国家集训队]数颜色

Gary

Pantw

专题

无

比赛

Codeforces Round #641 (Div. 1)

题目

无

Withinlover

专题

带修莫队

比赛

咕咕咕

搞算法去了没打比赛</description>
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        <title>2020-2021:teams:mian:weekly_report:2020_spring_semester_week_13_report</title>
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        <description>2020 Spring Semester Week 13 Report

团队训练

2016-2017 ACM-ICPC, NEERC, Moscow Subregional Contest task: 5/5/11, rank: 19/262

本周推荐

Pantw

Withinlover

Gary

Pantw

大英作业逼死我，摸了

Withinlover

专题

带修莫队 (补了个题)

比赛

题目

Gary

专题

比赛

题目</description>
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        <title>2020-2021:teams:mian:weekly_report:2020_spring_semester_week_14_report</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:mian:weekly_report:2020_spring_semester_week_14_report&amp;rev=1593920029&amp;do=diff</link>
        <description>2020 Spring Semester Week 14 Report

团队训练

2016 Multi-University Training Contest 1 task: 6/8/11, rank: 27/532

本周推荐

Pantw

HDU5724（SG 函数，Nim 和）

Withinlover

HDU5728 (指数循环节 + 推公式)

HDU5729 (连通二分图计数)

[Ynoi2016]掉进兔子洞 (bitset+莫队)

Gary

BZOJ1086(树上分块的方式)

SP10707-Count on a tree II

WC2013糖果公园

算法

带修莫队

树上莫队

Pantw

被作业逼到人傻了

等肝完了估计才有时间整

Withinlover

写了几个题，放了几个感觉好的在上面的推荐里。…</description>
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        <dc:date>2020-06-06T13:22:40+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:mian:weekly_report:2020_spring_semester_week_15_report</title>
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        <description>2020 Spring Semester Week 15 Report

团队训练

2016-2017 ACM-ICPC, NEERC, Northern Subregional Contest task: 7/8/11, rank: 13/107

本周推荐

Pantw

CF101142J （构造，非传统语言）

Gary

Pantw

烤漆杀人，这周摸了

Withinlover

咕了咕了我已经没有肝了

题目

Gary

烤漆，咕咕</description>
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        <title>2020-2021:teams:mian:weekly_report:2020_spring_semester_week_16_report</title>
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        <description>2020 Spring Semester Week 16 Report

团队训练

经队内协商，校历 15, 16, 17 周周日不安排团队训练。

本周推荐

Pantw

工科数学分析（2）

Withinlover

Gary

复习~

Pantw

Withinlover

Gary</description>
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        <title>2020-2021:teams:mian:weekly_report:2020_summer_week_1_report</title>
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        <description>2020 Summer Week 1 Report

团队训练

July 12: 2020牛客暑期多校训练营（第一场） task:3/3/10, rank:180/1216

July 13: 2020牛客暑期多校训练营（第二场） task:4/5/11, rank:91/1162

July 16: 2016 Multi-University Training Contest 2 task: //, rank: /, Under Construction $\log$$\frac{S}{v_s}+\frac{R}{v_R}$$\frac{1}{v_s}+\frac{1}{v_R}$</description>
    </item>
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        <dc:date>2020-07-24T15:56:23+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:mian:weekly_report:2020_summer_week_2_report</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:mian:weekly_report:2020_summer_week_2_report&amp;rev=1595577383&amp;do=diff</link>
        <description>2020 Summer Week 2 Report

团队训练

2020牛客暑期多校训练营（第三场） task:7/8/12, rank:96/1178

（又垫底了 草）

2020牛客暑期多校训练营（第四场） task:5/5/10, rank:28/1159

（终于有起色了）

2020-2021 BUAA ICPC Team Supplementary Training 01 task:6/7/11, Under Construction ...

（rk2 了，好）

本周推荐

Pantw

CF100886A

	*  分类：bitset, misc$a_i$</description>
    </item>
    <item rdf:about="https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:mian:weekly_report:2020_summer_week_3_report&amp;rev=1596194672&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-07-31T19:24:32+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:mian:weekly_report:2020_summer_week_3_report</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:mian:weekly_report:2020_summer_week_3_report&amp;rev=1596194672&amp;do=diff</link>
        <description>2020 Summer Week 3 Report

团队训练

2020牛客暑期多校训练营（第五场） task:5/5/11, rank:71 / 1145

2020牛客暑期多校训练营（第六场） task:5/6/11, rank:95 / 1120

2020/07/30 CF Mashup Training　　task:16/16/26

本周推荐

Pantw

CF555C

	*  分类：平衡树 / 线段树
	*  题意：给一个 $n\times n$ 尺寸的上三角方格。有 $q$ 个操作。每次操作选择一个副对角线上的格子，指定一个方向，从副对角线上的格子开始对这个方向上的格子全部染色，直至碰见边界，或者遇见在之前的查询中染过色的格子为止。对每个操作需要输出在该次操作中被染色的格子数。$1\le n\le 10^9, 1\le q\le 2\times 10^5$$O(n)$$dp[x] = \prod(dp[son[x]]+1)$$O(1)$$dp[son[x]] + 1$$0$$(1\le n,m \le 20)$$v_{i,j}$…</description>
    </item>
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        <dc:format>text/html</dc:format>
        <dc:date>2020-08-07T18:50:54+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:mian:weekly_report:2020_summer_week_4_report</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:mian:weekly_report:2020_summer_week_4_report&amp;rev=1596797454&amp;do=diff</link>
        <description>2020 Summer Week 4 Report

团队训练

2020牛客暑期多校训练营（第七场） task:4/6/10, rank:56/1140

2020牛客暑期多校训练营（第八场） task:3/4/11, rank:255/1033

2020-2021 BUAA ICPC Team Supplementary Training 02 task:6/7/10, rank:3/18

本周推荐

Pantw

【加训 2】H

	*  分类：计算几何
	*  题意：给一个第一象限内的简单多边形，引一条过原点的直线，问最多把原多边形分成多少部分。$(a_i,a_i+at_i)$$a_i\le a_j \le a_i+at_i$…</description>
    </item>
    <item rdf:about="https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:mian:weekly_report:2020_summer_week_5_report&amp;rev=1597462354&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-08-15T11:32:34+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:mian:weekly_report:2020_summer_week_5_report</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:mian:weekly_report:2020_summer_week_5_report&amp;rev=1597462354&amp;do=diff</link>
        <description>2020 Summer Week 5 Report

团队训练

2020牛客暑期多校训练营（第九场） task:7/8/12, rank:32/1041

2020牛客暑期多校训练营（第十场） task:3/3/10, rank:140/986

2019 Multi-University Training Contest 1

本周推荐

Pantw

AGC047C

	*  分类：数论，卷积
	*  题意：给一堆数，求两两乘积模某质数 p 的和。
	*  做法：把数用原根的幂表示，然后当多项式卷起来。$dp[l][r]$$[l, r]$$[l, r]$</description>
    </item>
    <item rdf:about="https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:mian:weekly_report:2020_summer_week_6_report&amp;rev=1597997422&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-08-21T16:10:22+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:mian:weekly_report:2020_summer_week_6_report</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:mian:weekly_report:2020_summer_week_6_report&amp;rev=1597997422&amp;do=diff</link>
        <description>2020 Summer Week 6 Report

团队训练

2019 Multi-University Training Contest 2 task:8/8/12

本周推荐

Pantw

TCO20 Parallel 3B: ShortBugPaths

	*  分类：DP，计数
	*  题意：一个 $n\times n$ 的方格，跳 $j$ 次，每次可以跳 $d_1$ 步或 $d_2$，... 或 $d_m$ 步，问可能的路径条数。$n\leqslant 10^9, 0\leqslant j \leqslant 10, 0\leqslant d_i\leqslant 10$
	*  解法：边界只对位于边界 100 格内的格子起作用（因为 100 格以外的不会撞上墙），那么对于较大的 $n$$n=300$…</description>
    </item>
    <item rdf:about="https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:mian:weekly_report:2020_summer_week_7_report&amp;rev=1598626343&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-08-28T22:52:23+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:mian:weekly_report:2020_summer_week_7_report</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:mian:weekly_report:2020_summer_week_7_report&amp;rev=1598626343&amp;do=diff</link>
        <description>2020 Summer Week 7 Report

团队训练

无

本周推荐

Pantw

CFedu91G

	*  分类：调和分析，结论题
	*  题意：一堆元素排成环，选 k 个打标记。行走时任意选取起点，顺时针行走，碰到标记即停止，获得权值为经过的元素的和，不包括最后一个。你可以重排元素顺序，任选标记位置，要求最小化期望权值，求该期望。</description>
    </item>
    <item rdf:about="https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:mian:weekly_report:2020_summer_week_8_report&amp;rev=1599204033&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-09-04T15:20:33+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:mian:weekly_report:2020_summer_week_8_report</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:mian:weekly_report:2020_summer_week_8_report&amp;rev=1599204033&amp;do=diff</link>
        <description>2020 Summer Week 8 Report

团队训练

无

本周推荐

Pantw

CF1396E

	*  分类：构造，树，调整法
	*  题意：一棵树，点数是偶数，让你两两匹配，一对点匹配得的权值是在树上的最短路径长，要求你构造一个总权值为 K 的匹配方案。</description>
    </item>
    <item rdf:about="https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:mian:weekly_report:front_page&amp;rev=1596287180&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-08-01T21:06:20+0800</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>2020-2021:teams:mian:weekly_report:front_page</title>
        <link>https://wiki.cvbbacm.com/doku.php?id=2020-2021:teams:mian:weekly_report:front_page&amp;rev=1596287180&amp;do=diff</link>
        <description>2020 Summer Week Report

2020 Summer Week 1 Report

2020 Summer Week 2 Report

2020 Summer Week 3 Report

2020 Summer Week 4 Report

2020 Summer Week 5 Report

2020 Summer Week 6 Report

2020 Summer Week 7 Report

2020 Summer Week 8 Report

2020 Spring Week Report

2020 Spring Semester Week 11 Report

2020 Spring Semester Week 12 Report

2020 Spring Semester Week 13 Report

2020 Spring Semester Week 14 Report

2020 Spring Semester Week 15 Report

2020 Spring Semester Week 16 Report</description>
    </item>
</rdf:RDF>
