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- voluntas
- @ignis_fatuus
- ブン
- 清楚なC++メイドBOT
- @tzik_tack
- wraith13
- @jj1bdx
- @cpp_akira
- 安藤敏彦
- @srz_zumix
- takezoh
- まろ
- @okdshin
- @hnokx
- @ishidakei
- @take_cheeze
- TAKEI Yuya
- @mumumu
- 黒澤 亮二
- I (@wx257osn2)
- @yuushimizup
- @fukasawah
- 暢気
- @gnaggnoyil
- @mandel59
- Tommy6
- イズカワタカノブ
- @tyottyoworks
- ___shanon
- わたやん
- @KorekaraSEDB
- @kariya_mitsuru
- @ciniml
- @beam2d
- @grafi_tt
- @nekketsuuu
x
17
1
2
3
class A
4
{
5
protected:
6
class B
7
{
8
public:
9
B();
10
int number;
11
B* next;
12
};
13
14
B* pointer;
15
};
16
17
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.73.0/gcc-9.3.0/include -std=gnu++2a
Start
/usr/lib/x86_64-linux-gnu/crt1.o: In function `_start': (.text+0x20): undefined reference to `main' collect2: error: ld returned 1 exit status
1
Finish