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  1. #include <iostream>
  2.  
  3. int main()
  4. {
  5.    if (true) int x = 42;
  6.    std::cout << x << '\n';
  7. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:5:18: warning: unused variable ‘x’ [-Wunused-variable]
prog.cpp:6:17: error: ‘x’ was not declared in this scope
stdout
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Standard output is empty
https://ideone.com/MOnO5C
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
secret

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