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Problem 1121 >> 结论题
cnlarryzhong @ 2017-11-10 00:45:26
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激光发射器和接收器一定一一对应, 所以答案就是 n / 2.
se1er @ 2017-11-23 21:12:38
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larryzhong太神啦!!
OwenOwl @ 2017-11-23 21:13:12
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larryzhong太神啦!!
myjs69 @ 2017-11-23 21:13:37
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larryzhong太神啦!!
Azrael_Death @ 2017-11-25 11:19:35
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larryzhong太神了!!
Azrael_Death @ 2017-11-25 11:19:39
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larryzhong太神了!!
Azrael_Death @ 2017-11-25 11:20:21
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larryzhong太神啦!!
LZSB111 @ 2017-12-07 09:20:06
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又见往讨论区放题解的
自以为是的
傻吊玩意儿
skylee @ 2018-04-02 08:22:31
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原题要输配对方案吧
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