加速C ++ - 练习0-1 [英] Accelerated C++ - exercise 0-1

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问题描述

问:这句话是做什么的?


3 + 4;

i我无法回答它,除了它是一个错误但是这个是从我的终端获得的



-------------- PROGRAME -------- ------

int main()

{

3 + 4;


返回0;

}

--------------输出-------------- ---

[arch @ voodo acc-cpp] $ g ++ -ansi -pedantic -Wall -Wextra new.cpp

new.cpp:在函数''int main ()'':

new.cpp:3:警告:声明无效

[arch @ voodo acc-cpp] $

解决方案

g ++ -ansi -pedantic -Wall -Wextra new.cpp

new.cpp:在函数''int main()' ':

new.cpp:3:警告:声明无效

[arch @ voodo acc-cpp]





3月17日,9:29 pm,arnuld < geek.arn ... @ gmail.comwrote:


问:这句话的作用是什么?


3 + 4;


i无法回答它,除了它是一个错误但这是

我从终端得到的:


-------------- PROGRAME --------------

int main()

{

3 + 4;


返回0;}


--- -----------输出-----------------

[arch @ voodo acc-cpp]


Q: what does this statement do ?

3 + 4;
i am not able to answer it, except that it is an error BUT this is
what i got from Terminal:

-------------- PROGRAME --------------
int main()
{
3 + 4;

return 0;
}
-------------- OUTPUT -----------------
[arch@voodo acc-cpp]$ g++ -ansi -pedantic -Wall -Wextra new.cpp
new.cpp: In function ''int main()'':
new.cpp:3: warning: statement has no effect
[arch@voodo acc-cpp]$

解决方案

g++ -ansi -pedantic -Wall -Wextra new.cpp
new.cpp: In function ''int main()'':
new.cpp:3: warning: statement has no effect
[arch@voodo acc-cpp]





On Mar 17, 9:29 pm, "arnuld" <geek.arn...@gmail.comwrote:

Q: what does this statement do ?

3 + 4;

i am not able to answer it, except that it is an error BUT this is
what i got from Terminal:

-------------- PROGRAME --------------
int main()
{
3 + 4;

return 0;}

-------------- OUTPUT -----------------
[arch@voodo acc-cpp]


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