Compilare: user.cpp: In function 'void readMatrix(long int (*)[16], unsigned int&, unsigned int&)': user.cpp:27: warning: comparison between signed and unsigned integer expressions user.cpp:28: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'long int sumMatrix(long int (*)[16], unsigned int, unsigned int)': user.cpp:37: warning: comparison between signed and unsigned integer expressions user.cpp:38: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'long int sumRow(long int (*)[16], unsigned int, unsigned int, int)': user.cpp:47: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'long int sumColumn(long int (*)[16], unsigned int, unsigned int, int)': user.cpp:56: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void flipRow(long int (*)[16], unsigned int, unsigned int, int)': user.cpp:64: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void flipColumn(long int (*)[16], unsigned int, unsigned int, int)': user.cpp:71: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void showMatrix(long int (*)[16], unsigned int, unsigned int)': user.cpp:78: warning: comparison between signed and unsigned integer expressions user.cpp:79: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void flipAllColumns(std::vector<T, std::allocator<_CharT> >&, const std::vector<T, std::allocator<_CharT> >&, unsigned int, unsigned int) [with T = int]': user.cpp:154: instantiated from here user.cpp:113: warning: comparison between signed and unsigned integer expressions user.cpp:154: instantiated from here user.cpp:121: warning: comparison between signed and unsigned integer expressions user.cpp:154: instantiated from here user.cpp:129: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void flipAllRows(std::vector<T, std::allocator<_CharT> >&, const std::vector<T, std::allocator<_CharT> >&, unsigned int, unsigned int) [with T = int]':