作者查詢 / kevinptt
作者 kevinptt 在 PTT [ C_and_CPP ] 看板的留言(推文), 共14則
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1F推:被你這樣一講,感覺我自己有部分矛盾- -11/12 00:10
2F→:像我IO就會用scanf/printf,array還是用C的方法寫11/12 00:11
3F→:畢竟cout的效率不好,vector不見得比array快11/12 00:12
4F→:但傳變數還是會用reference,不用複製感覺就比較有效率11/12 00:13
5F→:喔?! reference不是直接把變數給它用,而pointer是再分配11/12 00:17
6F→:給指標一個記憶體再指向原始變數?(thinking)11/12 00:17
7F推:原來還有這個優點!!11/12 00:20
1F推:第一行要解讀成 typedef struct listnode * listpointer;11/12 00:02
2F→:listpointer 是它的名,型態是一個listnode的指標11/12 00:03
4F→:所以第四行等價於 listnode * link;11/12 00:04
5F→:對,它就定義成一個指標的型態11/12 00:04
10F推:喔不,p1就是一個指向一個listnode的指標,就只是指標11/12 00:16
11F→:就像 int * a; a並沒有存int的功能,而是指向另一個int11/12 00:16
4F推:開一個struct存值和原本的index?08/11 15:17
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