2987 2 2 1 -114514 1 2 1919810
out:
902648.00000000
hack的题解:
https://www.luogu.com.cn/article/cjeu2qxe https://www.luogu.com.cn/article/79jihmik https://www.luogu.com.cn/article/sppjwutf https://www.luogu.com.cn/article/wyx4h9nb https://www.luogu.com.cn/article/6wmsc93x https://www.luogu.com.cn/article/3rrt0esz
原因:初始值设的范围太小了。
hack by @Nanxl07,本人负责转发