0_0_21743567_7880.cpp:57:5: error: missing terminating " character
freopen("filename.in
^
0_0_21743567_7880.cpp:59:1: error: missing terminating " character
", "r", stdin);
^
0_0_21743567_7880.cpp: In function 'void file_put()':
0_0_21743567_7880.cpp:59:1: error: unable to find string literal operator 'operator""r'
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