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QOJ

Time Limit: 2 s Memory Limit: 128 MB Total points: 100

#14639. 星野爱

Statistics

星野爱给了你一张无向图 $G$,设 $R(i)$ 为所有与 $i$ 相连的边的另一个端点构成的可重集合,可能有重边,没有自环。

每个节点有权值 $w_i$,初始时都为 $0$,需要维护两种操作。

  • 1,l,r,v,对于 $i\in [l,r]$,$j\in R(i)$,令 $w_j=w_j+v$
  • 2,l,r,计算 $\sum_{i\in[l,r]}\sum_{j\in R(i)}w_j$。

输出的值请对 $2^{64}$ 取模。

输入格式

第一行三个整数 $n,m,q$。

接下来 $m$ 行,每行两个整数 $u,v$ 代表一条边。

接下来 $q$ 行,每行三个或四个整数代表一个操作。

输出格式

对于操作二,每行输出一个整数表示计算的结果。

样例数据

样例 1 输入

6 6 5
2 6
6 1
5 3
1 5
3 1
2 4
1 1 6 1
1 2 4 3
1 3 4 3
2 3 6
2 1 2

样例 1 输出

53
24

子任务

Idea:Larunatrecy,Solution:Larunatrecy,Code:Larunatrecy,Data:Larunatrecy

对于 $20\%$ 的数据,$1\leq n,m,q\leq 5000$。

对于 $40\%$ 的数据,$1\leq n,m,q\leq 5\times 10^4$。

对于另外 $10\%$ 的数据,$l=r$ 恒成立。

对于 $100\%$ 的数据,$1\leq n,m,q\leq 2\times 10^5,0\leq v\leq 10^9$。

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