某岛

… : "…アッカリ～ン . .. . " .. .
October 26, 2012

ACM-ICPC Regional Asia Ningbo 2009

坑着。

Problem D. Open-air shopping malls
计算几何、凸包

Problem E. Open-air shopping malls
计算几何、余弦定理

Posted by xiaodao
Category: 日常

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