Compilare: user.cpp: In member function ‘int pt::c()’: user.cpp:47: warning: array subscript has type ‘char’ user.cpp:47: warning: array subscript has type ‘char’ user.cpp:47: warning: array subscript has type ‘char’ user.cpp: In function ‘bool ts(pt)’: user.cpp:84: warning: array subscript has type ‘char’ user.cpp:84: warning: array subscript has type ‘char’ user.cpp:84: 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:86: warning: array subscript has type ‘char’ user.cpp:87: warning: array subscript has type ‘char’ user.cpp:87: warning: array subscript has type ‘char’ user.cpp:87: warning: array subscript has type ‘char’ user.cpp: In function ‘void setv(pt)’: user.cpp:105: warning: array subscript has type ‘char’ user.cpp:105: warning: array subscript has type ‘char’ user.cpp:105: warning: array subscript has type ‘char’ user.cpp: In function ‘int main()’: user.cpp:109: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:110: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:112: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:117: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result