题目要看清楚

P2141 [NOIP2014 普及组] 珠心算测验

是的qwq 可以直接用个set
by Anfangen @ 2018-10-23 19:49:31


还是没太懂
by Kay1209 @ 2019-01-25 17:57:11


@[saipubw](/space/show?uid=128307) 可以在讲讲吗
by Kay1209 @ 2019-01-25 17:57:34


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