许童童
2020-01-11
老师总结得很好，这五大性能优化的策略，基本上概括了我们程序优化的各种方法。
2
黄海峰
2020-01-15
c++的string具有写时拷贝的实现吗？是哪个stl实现这样做的？
作者回复: 以前有的，刚刚查了一下，似乎11版本的C++ standard library改了，不让用了。谢谢指出！
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