摘要：
Kyoya Ootori has a bag with n colored balls that are colored with k different colors. The colors are labeled from 1 to k. Balls of the same color are 阅读全文
posted @ 2017-09-21 19:48
Crutain
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摘要：
The Bitlandians are quite weird people. They have very peculiar customs. As is customary, Uncle J. wants to have n eggs painted for Bitruz (an ancient 阅读全文
posted @ 2017-09-21 19:09
Crutain
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