/in/foo.cc:8:29: error: stray '\' in program
     cout << "AAA=fopen("data\\data\\Input\\input0.txt","r",stdin);
                             ^
/in/foo.cc:8:30: error: stray '\' in program
     cout << "AAA=fopen("data\\data\\Input\\input0.txt","r",stdin);
                              ^
/in/foo.cc:8:35: error: stray '\' in program
     cout << "AAA=fopen("data\\data\\Input\\input0.txt","r",stdin);
                                   ^
/in/foo.cc:8:36: error: stray '\' in program
     cout << "AAA=fopen("data\\data\\Input\\input0.txt","r",stdin);
                                    ^
/in/foo.cc:8:42: error: stray '\' in program
     cout << "AAA=fopen("data\\data\\Input\\input0.txt","r",stdin);
                                          ^
/in/foo.cc:8:43: error: stray '\' in program
     cout << "AAA=fopen("data\\data\\Input\\input0.txt","r",stdin);
                                           ^
/in/foo.cc:8:58: warning: missing terminating " character
     cout << "AAA=fopen("data\\data\\Input\\input0.txt","r",stdin);
                                                          ^
/in/foo.cc:8:58: error: missing terminating " character
     cout << "AAA=fopen("data\\data\\Input\\input0.txt","r",stdin);
                                                          ^~~~~~~~~
/in/foo.cc:9:2: warning: missing terminating " character
  ";
  ^
/in/foo.cc:9:2: error: missing terminating " character
  ";
  ^~
/in/foo.cc: In function 'int main()':
/in/foo.cc:8:13: error: unable to find string literal operator 'operator""data' with 'const char [11]', 'long unsigned int' arguments
     cout << "AAA=fopen("data\\data\\Input\\input0.txt","r",stdin);
             ^~~~~~~~~~~~~~~~