【题面】yi和ri的范围应该是10^9 不是109

P2471 [SCOI2007] 降雨量

@[icy](/space/show?uid=20487)
by iodwad @ 2017-12-26 00:43:18


@[yjjr](/space/show?uid=5088)
by iodwad @ 2017-12-26 00:43:27


marked!
by yjjr @ 2017-12-26 07:36:37


@[ZCDHJ](/space/show?uid=24878) 已更正,感谢!
by yjjr @ 2017-12-26 07:43:09


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