Compilare: user.cpp:112:2: warning: no newline at end of file user.cpp: In function 'void read(int&)': user.cpp:74: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' user.cpp:74: warning: format '%d' expects type 'int*', but argument 3 has type 'long int*' user.cpp: In function 'void sort()': user.cpp:99: warning: 'sw' may be used uninitialized in this function