Compilare: user.cpp: In function ‘void firstDataRead()’: user.cpp:25: warning: array subscript has type ‘char’ user.cpp: In function ‘void getNr()’: user.cpp:49: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:52: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘std::string getString(int)’: user.cpp:89: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:108: warning: comparison between signed and unsigned integer expressions user.cpp:97: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:98: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘void firstDataRead()’: user.cpp:28: warning: array subscript is above array bounds user.cpp:34: warning: array subscript is above array bounds