: : 已上传至课程网页 --- : : http://cc.ee.ntu.edu.tw/~ric/teaching/ComputerProgramming/latest/Homework%20assignments.htm : : 助教是谁还不知道, 只好自己写... 有问题请多指教. : : -- :

※ 发信站: 批踢踢实业坊(ptt.cc) : ◆ From: 59.121.130.193 : → ric2k1:感谢不能三日不见的高手提醒, 偷偷更新第三题的答案... 10/05 00:22 : 推 ilway25:我发现int a,,b;不对但int a,b,;对耶..上网找不到答案- - 10/05 00:56 : 推 ric2k1:的确, 不过这个太不正常了, 可以看看就好. 谢谢指正. 10/05 08:26 : 推 keyboardle:我在改作业时..发现{}加在main之前的绿色区都有error.. 10/06 11:50 : 推 ric2k1:哎呀, 写的太急了, 在main之前的绿色区域都不能加 {} 10/06 12:37 很抱歉, 第四题的答案在匆忙中写错了---- 在main之前的绿色区域都不能加 {}, 只能加 ';' 不过目前 cc.ee.ntu.edu.tw 好像挂了, 等一下再将新版的解答上传. ========= Just FYI. The orange region is the original green region before main() ========= Adding a ';' is like a adding an empty (null) statement. So it can be inserted at where a statement can be added. Adding a "{}" is like declaring a scope. So it can be inserted at where creating new scope makes sense. So you can insert a ';' or "{}" in the "green" places, but will get a warning in the "yellow" spot. You can insert a ';' in the orange area, but you cannot insert a "{}" there. Compiler will issue an error if you insert them somewhere else. You may insert a ',' or "()" after <iostream> ("yellow region"), but you will get a compilation warning. ',' cannot be inserted anywhere else. --

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