Compilare: user.cpp: In function ‘void Solve()’: user.cpp:27: warning: array subscript has type ‘char’ user.cpp:28: warning: array subscript has type ‘char’ user.cpp:29: warning: array subscript has type ‘char’ user.cpp: In function ‘void Print()’: user.cpp:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘void Read()’: user.cpp:50: warning: array subscript has type ‘char’ user.cpp:51: warning: array subscript has type ‘char’ user.cpp:44: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:45: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:49: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:57: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result