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#18787. 数列与查询29

통계

给定长度为 $N$ 的序列 $A_1, A_2, \ldots, A_N$,以及一个长度为 $N$ 的序列 $B$,初始时 $B_i = 0$。需要编写程序执行以下查询:

  • 1 L R X:对所有 $L \le i \le R$,执行 $A_i = A_i + X$。
  • 2 L R Y:对所有 $L \le i \le R$,执行 $A_i = \max(A_i, Y)$。
  • 3 L R Y:对所有 $L \le i \le R$,执行 $A_i = \min(A_i, Y)$。
  • 4 L R:输出 $B_L + B_{L+1} + \ldots + B_R$。

每当由第 1、2、3 号查询导致 $A_i$ 发生变化时,$B_i$ 的值增加 $1$。

输入格式

第一行包含序列大小 $N$。($1 \le N \le 500{,}000$)

第二行包含 $A_1, A_2, \ldots, A_N$。($-10^9 \le A_i \le 10^9$)

第三行包含查询个数 $M$。($1 \le M \le 500{,}000$)

接下来 $M$ 行,每行给出一个查询。($1 \le L \le R \le N$,$-2{,}000 \le X \le 2{,}000$,$-10^9 \le Y \le 10^9$)至少有一个第 4 号查询。

输出格式

对于每个第 4 号查询,输出一行结果。

样例

样例输入 1

5
1 2 3 4 5
11
4 1 5
1 1 3 3
4 1 5
2 2 5 5
4 1 5
3 1 4 5
4 1 4
2 1 5 0
4 1 5
3 1 5 1
4 1 2

样例输出 1

0
3
4
5
5
4

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