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ACM ICPC 2018 徐州赛区网络预赛 G. Trace (思维，贪心) Trace "问答" 问题反馈 只看题面 35.78% 1000ms 262144K There's a beach in the first quadrant. And from time to time, there 阅读全文
摘要：
A. Hard to prepare After Incident, a feast is usually held in Hakurei Shrine. This time Reimu asked Kokoro to deliver a Nogaku show during the feast. 阅读全文