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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class base {
  5. public:
  6.     base (const int);
  7. };
  8.  
  9. class child: base {
  10. public:
  11.     child (const int num): base(num) {}
  12. };
  13.  
  14. int main() {
  15. 	child a(5);
  16. 	// your code goes here
  17. 	return 0;
  18. }
Compilation error #stdin compilation error #stdout 0s 3136KB
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stdin
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Standard input is empty
compilation info 
/home/4o7bme/ccOBLoKG.o: In function `main':
prog.cpp:(.text.startup+0x18): undefined reference to `base::base(int)'
collect2: error: ld returned 1 exit status
stdout
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Standard output is empty
https://ideone.com/yHWIUX
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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