降雨量那题，真踏马shi。

调到还有五个RE不调了。

开始以为map可水后来发现一定要二分查找一下。

这种题没啥营养，不过我发现了我ST表一处错误并打了个板子。就这点用处吧。

这几天做题太少了，每天不算考试至少还要做6道吧。

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