五彩斑斓的世界 - المسألة

#9031. 五彩斑斓的世界

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Ynoi 2018 Problems

This problem is prepared by nzhtl1477 .

二阶堂真红给了你一个长为 $n$ 的序列 $a$，有 $m$ 次操作

把区间 $[l,r]$ 中大于 $x$ 的数减去 $x$。
查询区间 $[l,r]$ 中 $x$ 的出现次数。

输入格式

第一行两个整数 $n,m$。

第二行 $n$ 个整数表示序列 $a$。

接下来 $m$ 行，每行四个整数：

1 l r x：把区间 $[l,r]$ 所有大于 $x$ 的数减去 $x$。
2 l r x：查询区间 $[l,r]$ 内的 $x$ 的出现次数。

输出格式

对于每个询问，输出一个整数表示答案。

样例数据

样例输入

样例输出

子任务

Idea：nzhtl1477，Solution：nzhtl1477，Code：nzhtl1477，Data：nzhtl1477

对于 $100\%$ 的数据，$1\le n\le 10^6$，$1\le m\le 5\times 10^5$，$1\le l\le r \le n$，$0 \le a_i,x \le 10^5+1$。

By nzhtl1477

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