Compilare: user.cpp: In function ‘int main()’: user.cpp:20: warning: array subscript has type ‘char’ user.cpp:21: warning: array subscript has type ‘char’ user.cpp:26: warning: array subscript has type ‘char’ user.cpp:27: warning: array subscript has type ‘char’ user.cpp:33: warning: array subscript has type ‘char’ user.cpp:34: warning: array subscript has type ‘char’ user.cpp:14: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:15: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void paranteza(int&)’: user.cpp:52: warning: array subscript has type ‘char’ user.cpp:53: warning: array subscript has type ‘char’ user.cpp:58: warning: array subscript has type ‘char’ user.cpp:59: warning: array subscript has type ‘char’ user.cpp:65: warning: array subscript has type ‘char’ user.cpp:66: warning: array subscript has type ‘char’ user.cpp: In function ‘void parantezainversa(int&)’: user.cpp:81: warning: array subscript has type ‘char’ user.cpp:82: warning: array subscript has type ‘char’ user.cpp:87: warning: array subscript has type ‘char’ user.cpp:88: warning: array subscript has type ‘char’ user.cpp:94: warning: array subscript has type ‘char’ user.cpp:95: warning: array subscript has type ‘char’