C++中cout << "hello world" << endl;什么意思

在C++中，cout是一个输出流对象，用于向控制台输出内容。<<是插入运算符，用于将内容插入到输出流中。"hello world"是要输出的内容。而endl是一个特殊的控制符，用于向缓冲区插入换行符并刷新。所以，cout << "hello world" << endl;的意思是将"hello world"输出到控制台，并在最后插入一个换行符。\[1\]
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