局部Static變量以及cout和printf小注意事項

原創 带你去网吧里偷耳机 2020-03-11 17:27

最近面試時，被問到一個有關局部靜態變量的問題：

當時只隱約記得，static局部變量的生命週期直到程序結束爲止。就答了個1，1

面試結束後，趕緊找出之前的筆記。果然，知識記了一半和沒記是沒有區別的。

然後自己重新思考了答案，應該是1，2

結果vs上執行了之後答案是2，1。死活都是2，1

後來在同學的提示下，才知道如果cout或者prinf連續輸出多個函數/表達式的返回值時是按照從右到左計算的。所以2，1其實就是1，2

 

 

 

 

 

 

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