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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	const int x; //This causes an error
  6.  
  7. 	const int y = 0;
  8.  
  9. 	std::cout << "the value of y is "  << y << std::endl;
  10.  
  11. 	y = 5; //This also causes an error
  12.  
  13. 	return 0;
  14. }
Compilation error #stdin compilation error #stdout 0s 15232KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:5:12: error: uninitialized const ‘x’ [-fpermissive]
  const int x; //This causes an error
            ^
prog.cpp:11:6: error: assignment of read-only variable ‘y’
  y = 5; //This also causes an error
      ^
stdout
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Standard output is empty
https://ideone.com/4D2EoC
Basic Constant Variable
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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