Compilare: user.cpp: In function ‘void BuildRPF(int, char*)’: user.cpp:50: warning: array subscript has type ‘char’ user.cpp:50: warning: array subscript has type ‘char’ user.cpp: In function ‘int GetValue(char*)’: user.cpp:117: warning: array subscript has type ‘char’ user.cpp: In function ‘void Read()’: user.cpp:158: warning: array subscript has type ‘char’ user.cpp:150: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:151: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void Print()’: user.cpp:173: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘int Execute(int, int, int)’: user.cpp:79: warning: control reaches end of non-void function