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stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:66: warning: suggest explicit braces to avoid ambiguous ‘else’
prog.cpp:49: warning: unused variable ‘op’
prog.cpp:47: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result
prog.cpp:48: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result
stdout
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Standard output is empty
https://ideone.com/2U5fh
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
secret

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