View Compilation Error

0_0_21743278_22606.cpp:58:5: error: missing terminating " character
     freopen("filename.in 
     ^
0_0_21743278_22606.cpp:60:1: error: missing terminating " character
 ", "r", stdin);
 ^
0_0_21743278_22606.cpp: In function 'void file_put()':
0_0_21743278_22606.cpp:60:1: error: unable to find string literal operator 'operator""r'