局部Static变量以及cout和printf小注意事项

原創 带你去网吧里偷耳机 2020-03-11 17:27

最近面试时，被问到一个有关局部静态变量的问题：

当时只隐约记得，static局部变量的生命周期直到程序结束为止。就答了个1，1

面试结束后，赶紧找出之前的笔记。果然，知识记了一半和没记是没有区别的。

然后自己重新思考了答案，应该是1，2

结果vs上执行了之后答案是2，1。死活都是2，1

后来在同学的提示下，才知道如果cout或者prinf连续输出多个函数/表达式的返回值时是按照从右到左计算的。所以2，1其实就是1，2

 

 

 

 

 

 

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