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Problem 5257 >> 为什么毛子喜欢卡常啊啊啊
tangjz @ 2019-07-18 03:35:35
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优化了 6 个小时,结果发现最慢的还是拷贝构造?即使让 STL 来负责内存分配还是会超时……强行消除所有可能的拷贝构造就…过了?
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