Compilare: user.cpp: In function ‘void sterg(int, int)’: user.cpp:40: warning: unused variable ‘q’ user.cpp: In function ‘void back(int)’: user.cpp:57: warning: array subscript has type ‘char’ user.cpp:57: warning: array subscript has type ‘char’ user.cpp:57: warning: array subscript has type ‘char’ user.cpp:57: warning: array subscript has type ‘char’ user.cpp:65: warning: array subscript has type ‘char’ user.cpp:65: warning: array subscript has type ‘char’ user.cpp:69: warning: array subscript has type ‘char’ user.cpp:69: warning: array subscript has type ‘char’ user.cpp:69: warning: array subscript has type ‘char’ user.cpp:69: warning: array subscript has type ‘char’ user.cpp:69: warning: array subscript has type ‘char’ user.cpp:69: warning: array subscript has type ‘char’ user.cpp:71: warning: array subscript has type ‘char’ user.cpp:71: warning: array subscript has type ‘char’ user.cpp:72: warning: array subscript has type ‘char’ user.cpp:72: warning: array subscript has type ‘char’ user.cpp:73: warning: array subscript has type ‘char’ user.cpp:73: warning: array subscript has type ‘char’ user.cpp:76: warning: array subscript has type ‘char’ user.cpp:77: warning: array subscript has type ‘char’ user.cpp:79: warning: array subscript has type ‘char’ user.cpp:79: warning: array subscript has type ‘char’ user.cpp:81: warning: array subscript has type ‘char’ user.cpp:81: warning: array subscript has type ‘char’ user.cpp:85: warning: array subscript has type ‘char’ user.cpp:85: warning: array subscript has type ‘char’ user.cpp:86: warning: array subscript has type ‘char’ user.cpp:86: warning: array subscript has type ‘char’ user.cpp:89: warning: array subscript has type ‘char’ user.cpp:89: warning: array subscript has type ‘char’ user.cpp:90: warning: array subscript has type ‘char’ user.cpp:90: warning: array subscript has type ‘char’ user.cpp:91: warning: array subscript has type ‘char’ user.cpp:91: warning: array subscript has type ‘char’ user.cpp: In function ‘int main()’: user.cpp:98: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:99: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:100: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:101: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:102: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:106: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:107: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result