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حد الوقت: 7 s حد الذاكرة: 256 MB مجموع النقاط: 100

#10936. 构造数组

الإحصائيات

Teacher Mai 发现许多关于算术函数的问题都可以归约为以下问题:

维护一个下标从 $1$ 到 $l$ 的数组 $a$。有两种操作:

  1. 对于所有满足 $\gcd(x, n) = d$ 的 $x$,将 $v$ 加到 $a_x$ 上。
  2. 查询 $\sum_{i=1}^{x} a_i$。

输入格式

输入包含多组测试数据,以一行 “0 0” 结束。

对于每组测试数据,第一行包含两个整数 $l, Q$ ($1 \le l, Q \le 5 \cdot 10^4$),分别表示数组的长度和操作次数。

接下来的 $Q$ 行,每行表示一个操作,格式为 “1 n d v” 或 “2 x” ($1 \le n, d, v \le 2 \cdot 10^5, 1 \le x \le l$)。输入文件总大小不超过 7 MB。

输出格式

对于每组测试数据,输出每个查询的答案,每个答案占一行。

样例

样例输入 1

6 4
1 4 1 2
2 5
1 3 3 3
2 3
0 0

样例输出 1

6
7

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